4 Replies Latest reply on Aug 16, 2007 1:37 AM by sandhyagokhale

    Configuring JBoss Federated SSO

    praful_agrawal

      Hi All,

      I am trying to configure Federated SSO on JBoss.
      I have JBoss 4.0.4 installed,after following the configuration of Identity Management when I am trying to start my server I am getting the following errors
      12:39:48,376 ERROR [IdentityManager] org.jboss.security.idm.IdentityManager
      java.lang.reflect.InvocationTargetException
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
      at org.jboss.security.idm.IdentityManager.loadLoginProviders(IdentityManager.java:275)
      at org.jboss.security.idm.IdentityManager.loadConfiguration(IdentityManager.java:238)
      at org.jboss.security.idm.IdentityManager.start(IdentityManager.java:193)
      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:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:995)
      at $Proxy0.start(Unknown Source)
      at org.jboss.system.ServiceController.start(ServiceController.java:417)
      at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy4.start(Unknown Source)
      at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
      at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
      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:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy8.deploy(Unknown Source)
      at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
      at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
      at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
      at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
      at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
      at $Proxy0.start(Unknown Source)
      at org.jboss.system.ServiceController.start(ServiceController.java:417)
      at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy4.start(Unknown Source)
      at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
      at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:755)
      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:585)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy5.deploy(Unknown Source)
      at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
      at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
      at org.jboss.Main.boot(Main.java:200)
      at org.jboss.Main$1.run(Main.java:464)
      at java.lang.Thread.run(Thread.java:595)
      Caused by: org.jboss.security.idm.IdentityException: com.octetstring.jdbcLdap.jndi.SQLNamingException: Connect Error
      at org.jboss.security.idm.ldap.LDAPIdentityProvider.restoreIdentities(LDAPIdentityProvider.java:1402)
      at org.jboss.security.idm.ldap.LDAPIdentityProvider.(LDAPIdentityProvider.java:123)
      ... 101 more
      Caused by: com.octetstring.jdbcLdap.jndi.SQLNamingException: Connect Error
      at com.octetstring.jdbcLdap.jndi.SQLNamingException.fillInStackTrace(SQLNamingException.java:67)
      at java.lang.Throwable.(Throwable.java:181)
      at java.lang.Exception.(Exception.java:29)
      at java.sql.SQLException.(SQLException.java:98)
      at com.octetstring.jdbcLdap.jndi.SQLNamingException.(SQLNamingException.java:44)
      at com.octetstring.jdbcLdap.jndi.JndiLdapConnection.(JndiLdapConnection.java:291)
      at com.octetstring.jdbcLdap.sql.JdbcLdapDriver.connect(JdbcLdapDriver.java:96)
      at java.sql.DriverManager.getConnection(DriverManager.java:525)
      at java.sql.DriverManager.getConnection(DriverManager.java:171)
      at org.jboss.security.idm.ldap.LDAPIdentityProvider.getConnection(LDAPIdentityProvider.java:710)
      at org.jboss.security.idm.ldap.LDAPIdentityProvider.restoreIdentities(LDAPIdentityProvider.java:1355)
      ... 102 more
      Caused by: java.net.ConnectException: Connection refused: connect
      at java.net.PlainSocketImpl.socketConnect(Native Method)
      at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
      at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
      at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
      at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
      at java.net.Socket.connect(Socket.java:516)
      at java.net.Socket.connect(Socket.java:466)
      at java.net.Socket.(Socket.java:366)
      at java.net.Socket.(Socket.java:179)
      at com.novell.ldap.Connection.connect(Connection.java:411)
      at com.novell.ldap.Connection.connect(Connection.java:362)
      at com.novell.ldap.LDAPConnection.connect(LDAPConnection.java:2092)
      at com.octetstring.jdbcLdap.jndi.JndiLdapConnection.(JndiLdapConnection.java:287)
      ... 107 more
      12:39:48,376 INFO [IdentityManager] Configuration loading for the IdentityManager failed...........

      I already have the necessary tomcat-utils.jar patch installed at my end and my sso.cfg.xml has the following contents :

      <identity-management>



      jdbc:ldap://localhost:389/dc=jboss,dc=com?SEARCH_SCOPE:=subTreeScope&secure:=false&concat_atts:=true&size_limit:=10000000

      cn=Admin,dc=jboss,dc=com
      jbossrocks
      jbosssso
      role




      </identity-management>

      I wouls like to know what I am missing in my configuration.

      Thanks in Advance,
      Praful

        • 1. Re: Configuring JBoss Federated SSO
          praful_agrawal

          I have moved away from this error, but still I am getting :

          18:26:38,866 ERROR [IdentityManager] org.jboss.security.idm.IdentityManager
          org.jboss.security.idm.IdentityException: com.octetstring.jdbcLdap.jndi.SQLNamingException: Connect Error
          at org.jboss.security.idm.ldap.LDAPIdentityProvider.restoreIdentities(LDAPIdentityProvider.java:1503)
          at org.jboss.security.idm.ldap.LDAPIdentityProvider.setProperties(LDAPIdentityProvider.java:748)
          at org.jboss.security.idm.IdentityManager.loadLoginProviders(IdentityManager.java:299)
          at org.jboss.security.idm.IdentityManager.loadConfiguration(IdentityManager.java:260)
          at org.jboss.security.idm.IdentityManager.start(IdentityManager.java:200)
          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:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:995)
          at $Proxy0.start(Unknown Source)
          at org.jboss.system.ServiceController.start(ServiceController.java:417)
          at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
          at $Proxy4.start(Unknown Source)
          at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
          at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
          at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
          at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
          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:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
          at $Proxy8.deploy(Unknown Source)
          at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
          at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
          at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
          at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
          at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
          at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
          at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
          at $Proxy0.start(Unknown Source)
          at org.jboss.system.ServiceController.start(ServiceController.java:417)
          at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
          at $Proxy4.start(Unknown Source)
          at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
          at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
          at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
          at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
          at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:755)
          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:585)
          at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
          at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
          at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
          at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
          at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
          at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
          at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
          at $Proxy5.deploy(Unknown Source)
          at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
          at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
          at org.jboss.Main.boot(Main.java:200)
          at org.jboss.Main$1.run(Main.java:464)
          at java.lang.Thread.run(Thread.java:595)
          Caused by: com.octetstring.jdbcLdap.jndi.SQLNamingException: Connect Error
          ... 103 more
          18:26:38,866 INFO [IdentityManager] Configuration loading for the IdentityManager failed...........

          My basic query is : what do I need to change in the following line in sso.cfg.xml ?

          jdbc:ldap://localhost:389/dc=jboss,dc=com?SEARCH_SCOPE:=subTreeScope&amp;secure:=false&amp;concat_atts:=true&amp;size_limit:=10000000

          as a netstat reveals that no service is listening on port 389.

          Can somebody throw some light on what exactly is jdbc:ldap://localhost:389 doing?

          Thanks,
          Praful

          • 2. Re: Configuring JBoss Federated SSO
            anil.saldhana

            Port 389 is typically the ldap port.

            • 3. Re: Configuring JBoss Federated SSO
              soshah

              Praful-

              make sure you have an LDAP server running somewhere on your network to connect to.

              By default the configuration is trying to connect to the one running on your localhost on port 389.

              You can change this value to whatever your setup is


              Thanks
              Sohil

              • 4. Re: Configuring JBoss Federated SSO using LDAP on local host
                sandhyagokhale

                I have ldap server running on localhost:389

                and when i am trying to use sso



                jdbc:ldap://localhost:389/dc=vistaar,dc=com?SEARCH_SCOPE:=subTreeScope&amp;secure:=false&amp;concat_atts:=true&amp;size_limit:=10000000

                cn=Manager,dc=vistaar,dc=com
                admin



                i get exception like:
                11:03:07,625 ERROR [IdentityManager] org.jboss.security.idm.IdentityManager
                org.jboss.security.idm.IdentityException: com.octetstring.jdbcLdap.jndi.SQLNamingException: No Such Object
                at org.jboss.security.idm.ldap.LDAPIdentityProvider.restoreIdentities(LDAPIdentityProvider.java:1503)
                at org.jboss.security.idm.ldap.LDAPIdentityProvider.setProperties(LDAPIdentityProvider.java:748)
                at org.jboss.security.idm.IdentityManager.loadLoginProviders(IdentityManager.java:299)
                at org.jboss.security.idm.IdentityManager.loadConfiguration(IdentityManager.java:260)
                at org.jboss.security.idm.IdentityManager.start(IdentityManager.java:200)
                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:585)