Unknown Problem - No such entity
vincentchun Sep 25, 2003 1:55 PMCMP Question:
I am using jboss-3.2.1_tomcat-4.1.24 with MySQL 4.0.15 (Connector J 3)
I have setup mysql-ds.xml, jboss.xml, jbosscmp-jdbc.xml and ejb-jar.xml.
I have a CMP Entity Bean call User
After I lookup the home interface which is home, I do the following:
User user = home.create(primaryKey);
user.setPassword("Password");
System.out.println(user.getUsername());
The console prints "Password" and the MySQL DB does not add a new record for this.
But if I use the following code:
User user = home.findByPrimaryKey(new Integer(1));
The console will print out the following
03:37:09,344 ERROR [STDERR] javax.ejb.ObjectNotFoundException: No such entity!
03:37:09,344 ERROR [STDERR] at org.jboss.ejb.plugins.cmp.jdbc.JDBCFindEntityCommand.execute(JDBCFindEntityCommand.java:46)
03:37:09,344 ERROR [STDERR] at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.findEntity(JDBCStoreManager.java:591)
03:37:09,344 ERROR [STDERR] at org.jboss.ejb.plugins.CMPPersistenceManager.findEntity(CMPPersistenceManager.java:312)
03:37:09,344 ERROR [STDERR] at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:301)
03:37:09,344 ERROR [STDERR] at org.jboss.ejb.EntityContainer.find(EntityContainer.java:685)
03:37:09,344 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
03:37:09,344 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
03:37:09,344 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
03:37:09,364 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:324)
03:37:09,364 ERROR [STDERR] at org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:998)
03:37:09,364 ERROR [STDERR] at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
03:37:09,364 ERROR [STDERR] at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:188)
03:37:09,364 ERROR [STDERR] at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invokeHome(CachedConnectionInterceptor.java:215)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:88)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:91)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:61)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:28)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:88)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243)
03:37:09,374 ERROR [STDERR] at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:74)
03:37:09,384 ERROR [STDERR] at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:92)
03:37:09,384 ERROR [STDERR] at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:120)
03:37:09,384 ERROR [STDERR] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:93)
03:37:09,404 ERROR [STDERR] at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:477)
03:37:09,404 ERROR [STDERR] at org.jboss.ejb.Container.invoke(Container.java:694)
03:37:09,404 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
03:37:09,404 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
03:37:09,404 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
03:37:09,414 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:324)
03:37:09,414 ERROR [STDERR] at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
03:37:09,414 ERROR [STDERR] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
03:37:09,414 ERROR [STDERR] at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:101)
03:37:09,414 ERROR [STDERR] at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:83)
03:37:09,414 ERROR [STDERR] at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:46)
03:37:09,424 ERROR [STDERR] at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:45)
03:37:09,424 ERROR [STDERR] at org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:173)
03:37:09,424 ERROR [STDERR] at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:85)
03:37:09,434 ERROR [STDERR] at $Proxy39.findByPrimaryKey(Unknown Source)
03:37:09,434 ERROR [STDERR] at fyp.entity.UserServlet.doGet(UserServlet.java:48)
03:37:09,434 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
03:37:09,434 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
03:37:09,434 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
03:37:09,434 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
03:37:09,434 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
03:37:09,444 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
03:37:09,444 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
03:37:09,444 ERROR [STDERR] at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
03:37:09,444 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
03:37:09,454 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
03:37:09,454 ERROR [STDERR] at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
03:37:09,474 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
03:37:09,474 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
03:37:09,474 ERROR [STDERR] at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
03:37:09,474 ERROR [STDERR] at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
03:37:09,474 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
03:37:09,484 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
03:37:09,484 ERROR [STDERR] at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
03:37:09,484 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
03:37:09,484 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
03:37:09,484 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
03:37:09,494 ERROR [STDERR] at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:509)
03:37:09,494 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
03:37:09,494 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
03:37:09,494 ERROR [STDERR] at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
03:37:09,494 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
03:37:09,504 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
03:37:09,504 ERROR [STDERR] at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
03:37:09,504 ERROR [STDERR] at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
03:37:09,504 ERROR [STDERR] at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
03:37:09,504 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
03:37:09,504 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
03:37:09,534 ERROR [STDERR] at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
03:37:09,534 ERROR [STDERR] at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
03:37:09,534 ERROR [STDERR] at java.lang.Thread.run(Thread.java:536)
Do anyone know what is the problem and how to solve this?
Thanks for all first!