1 Reply Latest reply on Apr 14, 2004 5:23 AM by vla

    mySQL library issue in multiple ear files

    katazan
    katazan Apr 13, 2004 11:02 AM

      Greetings Marc and co.

      I am having a tricky issue with multiple ear files being deployed to JBoss 3.2.1 default.

      Consider the structure of this deployment:



      ear1
      -META-INF
      - application.xml

      -lib
      mysql.jar

      -ejb1.jar
      -ejb2.jar
      -war1.jar
      -war2.jar

      ear2
      -META-INF
      - application.xml

      -lib
      mysql.jar

      -ejb3.jar
      -ejb4.jar
      -war3.jar
      -war4.jar



      I am referencing the mysql.jar file from the manifest entries of the ejb jar files. I'm using ant to build both ear files, and copying the same mysql.jar file into the lib directories of both ear files. When I attempt to access the database, I get an error relating to a duplicate class definition (see below for error information).

      Is this the expected behavior? What are the constraints relative to class loading that I am violating here?

      Thanks guys,

      John C. Dale
      MS MIS, 2005
      The Eller College of Business and Public Administration
      The University of Arizona
      Tucson, Arizona



      Current CS: (file:/C:/third_party/jboss-3.2.1/server/default/deploy/sentry.ear/lib/mysql-connector-java-2.0.14-bin.jar <no certificates>)
      Duplicate CS: (file:/C:/third_party/jboss-3.2.1/server/default/deploy/alan.ear/lib/mysql-connector-java-2.0.14-bin.jar <no certificates>)
      2004-04-13 08:40:28,573 ERROR [org.jboss.ejb.plugins.LogInterceptor] [line: 290] TransactionRolledbackLocalException, causedBy:
      javax.ejb.EJBException: Unexpected Error
      java.lang.LinkageError: duplicate class definition: com/mysql/jdbc/jdbc2/Connection
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:141)
      at com.mysql.jdbc.Driver.connect(Unknown Source)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.getConnection(JBossManagedConnectionPool.java:643)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102)
      at com.ditd.service.EntityEJBAdapter.getSentryConnection(EntityEJBAdapter.java:141)
      at com.ditd.sentry.service.entity.user.UserEJB.ejbFindUserForLogin(UserEJB.java:259)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.plugins.BMPPersistenceManager.callFinderMethod(BMPPersistenceManager.java:578)
      at org.jboss.ejb.plugins.BMPPersistenceManager.findEntity(BMPPersistenceManager.java:316)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
      at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:627)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
      at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
      at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
      at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
      at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
      at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)

      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:182)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)
      2004-04-13 08:40:28,583 ERROR [org.jboss.ejb.plugins.LogInterceptor] [line: 290] TransactionRolledbackLocalException, causedBy:
      javax.ejb.EJBException: Unexpected Error
      java.lang.LinkageError: duplicate class definition: com/mysql/jdbc/jdbc2/Connection
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:141)
      at com.mysql.jdbc.Driver.connect(Unknown Source)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.getConnection(JBossManagedConnectionPool.java:643)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102)
      at com.ditd.service.EntityEJBAdapter.getSentryConnection(EntityEJBAdapter.java:141)
      at com.ditd.sentry.service.entity.user.UserEJB.ejbFindUserForLogin(UserEJB.java:259)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.plugins.BMPPersistenceManager.callFinderMethod(BMPPersistenceManager.java:578)
      at org.jboss.ejb.plugins.BMPPersistenceManager.findEntity(BMPPersistenceManager.java:316)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
      at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:627)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
      at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
      at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
      at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
      at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
      at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)

      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:182)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)
      2004-04-13 08:40:28,593 ERROR [com.ditd.sentry.presentation.action.Login] [line: 62] Unable to log [jcd@downinthedesert.com] in.
      javax.ejb.TransactionRolledbackLocalException: Unexpected Error
      java.lang.LinkageError: duplicate class definition: com/mysql/jdbc/jdbc2/Connection
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:141)
      at com.mysql.jdbc.Driver.connect(Unknown Source)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.getConnection(JBossManagedConnectionPool.java:643)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102)
      at com.ditd.service.EntityEJBAdapter.getSentryConnection(EntityEJBAdapter.java:141)
      at com.ditd.sentry.service.entity.user.UserEJB.ejbFindUserForLogin(UserEJB.java:259)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.plugins.BMPPersistenceManager.callFinderMethod(BMPPersistenceManager.java:578)
      at org.jboss.ejb.plugins.BMPPersistenceManager.findEntity(BMPPersistenceManager.java:316)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
      at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:627)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
      at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
      at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
      at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
      at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
      at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)
      ; CausedByException is:
      Unexpected Error
      java.lang.LinkageError: duplicate class definition: com/mysql/jdbc/jdbc2/Connection
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:141)
      at com.mysql.jdbc.Driver.connect(Unknown Source)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.getConnection(JBossManagedConnectionPool.java:643)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102)
      at com.ditd.service.EntityEJBAdapter.getSentryConnection(EntityEJBAdapter.java:141)
      at com.ditd.sentry.service.entity.user.UserEJB.ejbFindUserForLogin(UserEJB.java:259)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.plugins.BMPPersistenceManager.callFinderMethod(BMPPersistenceManager.java:578)
      at org.jboss.ejb.plugins.BMPPersistenceManager.findEntity(BMPPersistenceManager.java:316)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
      at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:627)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
      at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
      at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
      at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
      at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
      at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)

      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:204)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)
      javax.ejb.EJBException: Unexpected Error
      java.lang.LinkageError: duplicate class definition: com/mysql/jdbc/jdbc2/Connection
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:141)
      at com.mysql.jdbc.Driver.connect(Unknown Source)
      at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352)
      at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151)
      at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.getConnection(JBossManagedConnectionPool.java:643)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413)
      at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488)
      at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798)
      at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102)
      at com.ditd.service.EntityEJBAdapter.getSentryConnection(EntityEJBAdapter.java:141)
      at com.ditd.sentry.service.entity.user.UserEJB.ejbFindUserForLogin(UserEJB.java:259)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.plugins.BMPPersistenceManager.callFinderMethod(BMPPersistenceManager.java:578)
      at org.jboss.ejb.plugins.BMPPersistenceManager.findEntity(BMPPersistenceManager.java:316)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
      at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:627)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
      at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
      at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
      at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
      at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
      at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)

      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:182)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
      at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
      at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
      at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
      at org.jboss.ejb.Container.invoke(Container.java:694)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:272)
      at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:110)
      at $Proxy89.findUserForLogin(Unknown Source)
      at com.ditd.sentry.service.session.SecurityEJB.login(SecurityEJB.java:90)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:324)
      at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
      at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
      at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)
      at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)
      at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
      at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
      at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
      at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
      at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
      at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
      at org.jboss.ejb.Container.invoke(Container.java:674)
      at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353)
      at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83)
      at $Proxy88.login(Unknown Source)
      at com.ditd.sentry.presentation.action.Login.handleRequest(Login.java:33)
      at com.ditd.presentation.action.DITDAction.perform(DITDAction.java:172)
      at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
      at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
      at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
      at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
      at org.mortbay.http.HttpServer.service(HttpServer.java:863)
      at org.jboss.jetty.Jetty.service(Jetty.java:460)
      at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
      at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
      at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
      at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
      at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
      at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)


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