Gurvinderpal Narula [http://community.jboss.org/people/groovenarula] created the discussion "Error accessing 'Process Overview' menu in jbpm-console." To view the discussion, visit: http://community.jboss.org/message/633720#633720 -------------------------------------------------------------- I'm evaluating jBPM for an upcoming project. I'm evaluting jBPM 5.1.Final on Mac OS X 10.7.2 on jdk 1.6.0 (build 1.6.0_26-b03-383-11A511). Executing 'ant start.demo' launching jboss and even launches eclipse successfully with the console output as follows : Buildfile: /Users/gnarula1/Documents/projects/jbpm-installer/build.xml download.h2.check:      [echo] Checking h2 download ... download.h2: start.h2: start.jboss: start.eclipse: start.human.task:     [mkdir] Created dir: /Users/gnarula1/Documents/projects/jbpm-installer/task-service/target     [javac] /Users/gnarula1/Documents/projects/jbpm-installer/build.xml:500: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds     [javac] Compiling 1 source file to /Users/gnarula1/Documents/projects/jbpm-installer/task-service/target     [javac] /Users/gnarula1/Documents/projects/jbpm-installer/task-service/src/org/jbpm/DemoTaskService.java:49: warning: [unchecked] unchecked cast     [javac] found   : java.lang.Object     [javac] required: java.util.Map<java.lang.String,org.jbpm.task.User>     [javac]         Map<String, User> users = ( Map<String, User> ) eval( reader, vars );       [javac]                                                             ^     [javac] /Users/gnarula1/Documents/projects/jbpm-installer/task-service/src/org/jbpm/DemoTaskService.java:54: warning: [unchecked] unchecked cast     [javac] found   : java.lang.Object     [javac] required: java.util.Map<java.lang.String,org.jbpm.task.Group>     [javac]         Map<String, Group> groups = ( Map<String, Group> ) eval( reader, vars );         [javac]                                                                ^     [javac] Note: /Users/gnarula1/Documents/projects/jbpm-installer/task-service/src/org/jbpm/DemoTaskService.java uses or overrides a deprecated API.     [javac] Note: Recompile with -Xlint:deprecation for details.     [javac] 2 warnings      [copy] Copying 2 files to /Users/gnarula1/Documents/projects/jbpm-installer/task-service/target      [java] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".      [java] SLF4J: Defaulting to no-operation (NOP) logger implementation      [java] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.      [java] Task service started correctly !      [java] Task service running ... The issue comes up when I click on  'Process Overview' option in the jbpm-console. The console throws the following exception : rg.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Could not initialize stateful knowledge session: java.lang.reflect.InvocationTargetException org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:319) org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:230) org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:206) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:360) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) Root Cause : java.lang.RuntimeException: Could not initialize stateful knowledge session: java.lang.reflect.InvocationTargetException org.jbpm.integration.console.CommandDelegate.newStatefulKnowledgeSession(CommandDelegate.java:185) org.jbpm.integration.console.CommandDelegate.getSession(CommandDelegate.java:193) org.jbpm.integration.console.CommandDelegate.<init>(CommandDelegate.java:71) org.jbpm.integration.console.ProcessManagement.<init>(ProcessManagement.java:35) org.jbpm.integration.console.ManagementFactory.createProcessManagement(ManagementFactory.java:22) org.jbpm.integration.console.ManagementFactory.createProcessManagement(ManagementFactory.java:19) org.jboss.bpm.console.server.ProcessMgmtFacade.getProcessManagement(ProcessMgmtFacade.java:98) org.jboss.bpm.console.server.ProcessMgmtFacade.getDefinitionsJSON(ProcessMgmtFacade.java:122) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166) org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) Jboss's logs have the following exception : Caused by: org.h2.jdbc.JdbcSQLException: Version mismatch, driver version is "current client version: 5; minimum version: 6" but server version is {1} [90047-132]         at org.h2.message.DbException.getJdbcSQLException(DbException.java:316)         at org.h2.message.DbException.get(DbException.java:167)         at org.h2.message.DbException.get(DbException.java:144)         at org.h2.server.TcpServerThread.run(TcpServerThread.java:73)         at java.lang.Thread.run(Thread.java:680)         at org.h2.engine.SessionRemote.done(SessionRemote.java:522)         at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:115)         at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:337)         at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:229)         at org.h2.engine.SessionRemote.createSession(SessionRemote.java:223)         at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:110)         at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:94)         at org.h2.Driver.connect(Driver.java:58)         at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:207)         ... 84 more There are other exceptions as well in the logs : Caused by: java.lang.IllegalStateException: java.lang.reflect.InvocationTargetException         at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:130)         at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54)         at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)         at org.jbpm.integration.console.CommandDelegate.newStatefulKnowledgeSession(CommandDelegate.java:153)         ... 45 more Caused by: 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:513)         at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116)         ... 48 more Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection         at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:614)         at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:226)         at org.drools.persistence.jpa.JpaPersistenceContext.persist(JpaPersistenceContext.java:17)         at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:125)         ... 53 more Caused by: org.hibernate.exception.GenericJDBCException: Cannot open connection         at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)         at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)         at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)         at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)         at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)         at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)         at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:116)         at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:54)         at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2186)         at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2666)         at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:71)         at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)         at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:321)         at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)         at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)         at org.hibernate.ejb.event.EJB3PersistEventListener.saveWithGeneratedId(EJB3PersistEventListener.java:49)         at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:154)         at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:110)         at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:61)         at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:645)         at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:619)         at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:623)         at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:220)         ... 55 more Caused by: org.jboss.util.NestedSQLException: Unable to get managed connection for jdbc/testDS1; - nested throwable: (javax.resource.ResourceException: Unable to get managed connection for jdbc/testDS1) Caused by: javax.resource.ResourceException: Unable to get managed connection for jdbc/testDS1         at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:441)         at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:381)         at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:496)         at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941)         at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:89)         ... 75 more Caused by: org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (org.h2.jdbc.JdbcSQLException: Version mismatch, driver version is "current client version: 5; minimum version: 6" but server version is {1} [90047-132]         at org.h2.message.DbException.getJdbcSQLException(DbException.java:316)         at org.h2.message.DbException.get(DbException.java:167)         at org.h2.message.DbException.get(DbException.java:144)         at org.h2.server.TcpServerThread.run(TcpServerThread.java:73)         at java.lang.Thread.run(Thread.java:680) )         at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:225)         at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:195)         at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:633)         at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:267)         at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:679)         at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:404)         ... 79 more Caused by: org.h2.jdbc.JdbcSQLException: Version mismatch, driver version is "current client version: 5; minimum version: 6" but server version is {1} [90047-132]         at org.h2.message.DbException.getJdbcSQLException(DbException.java:316)         at org.h2.message.DbException.get(DbException.java:167)         at org.h2.message.DbException.get(DbException.java:144)         at org.h2.server.TcpServerThread.run(TcpServerThread.java:73)         at java.lang.Thread.run(Thread.java:680)         at org.h2.engine.SessionRemote.done(SessionRemote.java:522)         at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:115)         at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:337)         at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:229)         at org.h2.engine.SessionRemote.createSession(SessionRemote.java:223) But the root cause seems to be the version conflict exception : Caused by: org.h2.jdbc.JdbcSQLException: Version mismatch, driver version is "current client version: 5; minimum version: 6" but server version is {1} [90047-132] Can someone please help me resolve this issue so that continue with my evaluation ? If this issue is caused because of running on a Mac, then please let me know and I'll try a different platform. Thanks in advance, Groove -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/633720#633720] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]