Paulo Costa [http://community.jboss.org/people/jboss%40mail.expandindustria] created the discussion "SEAM 2.2 Tomcat6 jbpm3 - ERROR - exception calling user Synchronization java.lang.IllegalStateException: Transaction already active" To view the discussion, visit: http://community.jboss.org/message/578109#578109 -------------------------------------------------------------- h2. http://community.jboss.org/message/577784#577784 ERROR - exception calling user Synchronization java.lang.IllegalStateException: Transaction already active Dear Sirs. i have a seam project 2.2 GA with tomcat 6 . and it work well. Now i want to integrate jbpm and seam on tomcat6 and i have the jbpm 3.2.2. and i have configured the hibernate.cfg.xml like:     <!-- hibernate dialect -->     <property>org.hibernate.dialect.Oracle9Dialect</property>     <!-- JDBC connection properties (begin) -->    <!--     <property>oracle.jdbc.driver.OracleDriver</property>     <property>jdbc:oracle:thin:@132.10.18.248:1521:siga</property>     <property>seamt</property>     <property>seamt</property> -->     <!-- JDBC connection properties (end) -->     <!-- DataSource properties (begin) -->     <property>java:comp/env/jdbc/SigaDS</property>     <!--  DataSource properties (end) --> jbpm.cfg.xml like: <jbpm-configuration>   <jbpm-context>     <service>        <factory>           <bean class="org.jbpm.persistence.db.DbPersistenceServiceFactory">              <field><false/></field>           </bean>        </factory>     </service>     <service factory="org.jbpm.tx.TxServiceFactory" />     <service factory="org.jbpm.msg.db.DbMessageServiceFactory" />     <service factory="org.jbpm.scheduler.db.DbSchedulerServiceFactory" />     <service factory="org.jbpm.logging.db.DbLoggingServiceFactory" />    <service factory="org.jbpm.security.authentication.DefaultAuthenticationServiceFactory" />   </jbpm-context> </jbpm-configuration> I was doing some test but it came this error and i'm looking for help : Its persist some transactions before , but ..... DEBUG -     /* named HQL query TaskMgmtSession.findTaskInstancesByActorId */ select         taskinstan0_.ID_ as ID1_507_,         taskinstan0_.VERSION_ as VERSION3_507_,         taskinstan0_.NAME_ as NAME4_507_,         taskinstan0_.DESCRIPTION_ as DESCRIPT5_507_,         taskinstan0_.ACTORID_ as ACTORID6_507_,         taskinstan0_.CREATE_ as CREATE7_507_,         taskinstan0_.START_ as START8_507_,         taskinstan0_.END_ as END9_507_,         taskinstan0_.DUEDATE_ as DUEDATE10_507_,         taskinstan0_.PRIORITY_ as PRIORITY11_507_,         taskinstan0_.ISCANCELLED_ as ISCANCE12_507_,         taskinstan0_.ISSUSPENDED_ as ISSUSPE13_507_,         taskinstan0_.ISOPEN_ as ISOPEN14_507_,         taskinstan0_.ISSIGNALLING_ as ISSIGNA15_507_,         taskinstan0_.ISBLOCKING_ as ISBLOCKING16_507_,         taskinstan0_.TASK_ as TASK17_507_,         taskinstan0_.TOKEN_ as TOKEN18_507_,         taskinstan0_.PROCINST_ as PROCINST19_507_,         taskinstan0_.SWIMLANINSTANCE_ as SWIMLAN20_507_,         taskinstan0_.TASKMGMTINSTANCE_ as TASKMGM21_507_     from         JBPM_TASKINSTANCE taskinstan0_     where         taskinstan0_.ACTORID_=?         and taskinstan0_.ISSUSPENDED_=0         and taskinstan0_.ISOPEN_=1 TRACE - binding 'demo' to parameter: 1 TRACE - returning '18' as column: ID1_507_ ERROR - exception calling user Synchronization java.lang.IllegalStateException: Transaction already active       at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:35)       at org.jboss.seam.transaction.EntityTransaction.begin(EntityTransaction.java:82)       at org.jboss.seam.util.Work.workInTransaction(Work.java:44)       at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)       at sun.reflect.GeneratedMethodAccessor282.invoke(Unknown Source)       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)       at java.lang.reflect.Method.invoke(Method.java:585)       at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)       at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)       at org.jboss.seam.Component.callComponentMethod(Component.java:2249)       at org.jboss.seam.Component.unwrap(Component.java:2275)       at org.jboss.seam.Component.getInstance(Component.java:2041)       at org.jboss.seam.Component.getInstance(Component.java:2000)       at org.jboss.seam.Component.getInstance(Component.java:1994)       at org.jboss.seam.Component.getInstance(Component.java:1967)       at org.jboss.seam.Component.getInstance(Component.java:1962)       at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)       at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:229)       at org.jboss.seam.contexts.BusinessProcessContext.flush(BusinessProcessContext.java:160)       at org.jboss.seam.bpm.ManagedJbpmContext.beforeCompletion(ManagedJbpmContext.java:114)       at org.hibernate.transaction.JDBCTransaction.notifyLocalSynchsBeforeTransactionCompletion(JDBCTransaction.java:228)       at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:109)       at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:54)       at org.jboss.seam.transaction.EntityTransaction.commit(EntityTransaction.java:110)       at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:613)       at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:604)       at org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:345)       at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:245)       at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)       at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)       at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)       at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)       at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)       at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)       at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)       at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)       at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)       at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)       at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)       at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)       at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)       at java.lang.Thread.run(Thread.java:595) ERROR - exception calling user Synchronization java.lang.IllegalStateException: Transaction already active       at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:35)       at org.jboss.seam.transaction.EntityTransaction.begin(EntityTransaction.java:82)       at org.jboss.seam.util.Work.workInTransaction(Work.java:44)       at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)       at sun.reflect.GeneratedMethodAccessor282.invoke(Unknown Source)       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)       at java.lang.reflect.Method.invoke(Method.java:585)       at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)       at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)       at org.jboss.seam.Component.callComponentMethod(Component.java:2249)       at org.jboss.seam.Component.unwrap(Component.java:2275)       at org.jboss.seam.Component.getInstance(Component.java:2041)       at org.jboss.seam.Component.getInstance(Component.java:2000)       at org.jboss.seam.Component.getInstance(Component.java:1994)       at org.jboss.seam.Component.getInstance(Component.java:1967)       at org.jboss.seam.Component.getInstance(Component.java:1962)       at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)       at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:229)       at org.jboss.seam.contexts.BusinessProcessContext.flush(BusinessProcessContext.java:160)       at org.jboss.seam.bpm.ManagedJbpmContext.beforeCompletion(ManagedJbpmContext.java:114)       at org.hibernate.transaction.JDBCTransaction.notifyLocalSynchsBeforeTransactionCompletion(JDBCTransaction.java:228)       at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:109)       at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:54)       at org.jboss.seam.transaction.EntityTransaction.commit(EntityTransaction.java:110)       at org.jboss.seam.util.Work.workInTransaction(Work.java:58)       at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)       at sun.reflect.GeneratedMethodAccessor282.invoke(Unknown Source)       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)       at java.lang.reflect.Method.invoke(Method.java:585)       at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)       at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)       at org.jboss.seam.Component.callComponentMethod(Component.java:2249)       at org.jboss.seam.Component.unwrap(Component.java:2275)       at org.jboss.seam.Component.getInstance(Component.java:2041)       at org.jboss.seam.Component.getInstance(Component.java:2000)       at org.jboss.seam.Component.getInstance(Component.java:1994)       at org.jboss.seam.Component.getInstance(Component.java:1967)       at org.jboss.seam.Component.getInstance(Component.java:1962)       at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)       at org.jboss.seam.bpm.BusinessProcess.hasActiveProcess(BusinessProcess.java:64)       at org.jboss.seam.contexts.Contexts.flushAndDestroyContexts(Contexts.java:347)       at org.jboss.seam.contexts.FacesLifecycle.endRequest(FacesLifecycle.java:129)       at org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:514)       at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:249)       at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)       at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)       at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)       at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)       at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73)       at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)       at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)       at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)       at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)       at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)       at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)       at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)       at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)       at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)       at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)       at java.lang.Thread.run(Thread.java:595) DEBUG - Thanks in advance -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/578109#578109] Start a new discussion in jBPM Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]