<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
Multiple JBPM4_VARIABLE records pointing to same LOB_ and different EXECUTIONID_
</h3>
<span style="margin-bottom: 10px;">
created by <a href="http://community.jboss.org/people/imjorge">Jorge Ferreira</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/548684#548684">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>I am using jBPM 4.3. If you need any more version information please ask.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We get an exception when trying to call ExecutionService#endProcessInstance(...).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><div id="_mcePaste">org.zkoss.zk.ui.UiException: rendering.0010: org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.lob.Lob#2260042].</div><div id="_mcePaste">at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)</div><div id="_mcePaste">at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)</div><div id="_mcePaste">at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)</div><div id="_mcePaste">at java.lang.reflect.Constructor.newInstance(Constructor.java:513)</div><div id="_mcePaste">at org.zkoss.lang.Classes.newInstance(Classes.java:76)</div><div id="_mcePaste">at org.zkoss.lang.Exceptions.wrap(Exceptions.java:162)</div><div id="_mcePaste">at org.zkoss.zk.ui.UiException$Aide.wrap(UiException.java:44)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1452)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1229)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1009)</div><div id="_mcePaste">at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:549)</div><div id="_mcePaste">at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:441)</div><div id="_mcePaste">at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:449)</div><div id="_mcePaste">at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)</div><div id="_mcePaste">at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)</div><div id="_mcePaste">at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</div><div id="_mcePaste">at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</div><div id="_mcePaste">at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</div><div id="_mcePaste">at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</div><div id="_mcePaste">at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</div><div id="_mcePaste">at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)</div><div id="_mcePaste">at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)</div><div id="_mcePaste">at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)</div><div id="_mcePaste">at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)</div><div id="_mcePaste">at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)</div><div id="_mcePaste">at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</div><div id="_mcePaste">at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</div><div id="_mcePaste">at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)</div><div id="_mcePaste">at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</div><div id="_mcePaste">at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)</div><div id="_mcePaste">at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)</div><div id="_mcePaste">at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)</div><div id="_mcePaste">at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)</div><div id="_mcePaste">at java.lang.Thread.run(Thread.java:619)</div><div id="_mcePaste">Caused by: rendering.0010: org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.lob.Lob#2260042].</div><div id="_mcePaste">at com.csw.impression.rendering.component.action.OutcomeAction.execute(OutcomeAction.java:177)</div><div id="_mcePaste">at com.csw.impression.rendering.component.action.event.ExecuteActionEventListener.onEvent(ExecuteActionEventListener.java:49)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:196)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:140)</div><div id="_mcePaste">at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1445)</div><div id="_mcePaste">... 26 more</div><div id="_mcePaste">Caused by: javax.ejb.EJBException: org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.lob.Lob#2260042]</div><div id="_mcePaste">at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)</div><div id="_mcePaste">at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)</div><div id="_mcePaste">at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.aspects.security.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:83)</div><div id="_mcePaste">at org.jboss.ejb3.security.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:54)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.aspects.security.RoleBasedAuthorizationInterceptor.invoke(RoleBasedAuthorizationInterceptor.java:166)</div><div id="_mcePaste">at org.jboss.ejb3.security.RoleBasedAuthorizationInterceptor.invoke(RoleBasedAuthorizationInterceptor.java:115)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)</div><div id="_mcePaste">at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:240)</div><div id="_mcePaste">at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:210)</div><div id="_mcePaste">at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:84)</div><div id="_mcePaste">at $Proxy248.completeTask(Unknown Source)</div><div id="_mcePaste">at com.csw.impression.rendering.component.panel.AbstractPanel.executeOutcome(AbstractPanel.java:686)</div><div id="_mcePaste">at com.csw.impression.rendering.component.action.OutcomeAction.execute(OutcomeAction.java:129)</div><div id="_mcePaste">... 30 more</div><div id="_mcePaste">Caused by: org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.lob.Lob#2260042]</div><div id="_mcePaste">at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:71)</div><div id="_mcePaste">at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)</div><div id="_mcePaste">at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2541)</div><div id="_mcePaste">at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2697)</div><div id="_mcePaste">at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:74)</div><div id="_mcePaste">at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250)</div><div id="_mcePaste">at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234)</div><div id="_mcePaste">at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:146)</div><div id="_mcePaste">at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)</div><div id="_mcePaste">at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)</div><div id="_mcePaste">at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)</div><div id="_mcePaste">at org.jbpm.pvm.internal.tx.HibernateSessionResource.prepare(HibernateSessionResource.java:56)</div><div id="_mcePaste">at org.jbpm.pvm.internal.tx.StandardTransaction.commit(StandardTransaction.java:107)</div><div id="_mcePaste">at org.jbpm.pvm.internal.tx.StandardTransaction.complete(StandardTransaction.java:64)</div><div id="_mcePaste">at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:61)</div><div id="_mcePaste">at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)</div><div id="_mcePaste">at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)</div><div id="_mcePaste">at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)</div><div id="_mcePaste">at org.jbpm.pvm.internal.svc.SkipInterceptor.execute(SkipInterceptor.java:43)</div><div id="_mcePaste">at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:96)</div><div id="_mcePaste">at com.csw.impression.bpm.ExecutionServiceImpl.completeTaskWork(ExecutionServiceImpl.java:206)</div><div id="_mcePaste">at com.csw.impression.bpm.ExecutionServiceImpl.completeTask(ExecutionServiceImpl.java:235)</div><div id="_mcePaste">at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</div><div id="_mcePaste">at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</div><div id="_mcePaste">at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</div><div id="_mcePaste">at java.lang.reflect.Method.invoke(Method.java:597)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeTarget(MethodInvocation.java:122)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:111)</div><div id="_mcePaste">at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)</div><div id="_mcePaste">at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)</div><div id="_mcePaste">at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</div><div id="_mcePaste">at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)</div><div id="_mcePaste">... 55 more</div><div id="_mcePaste">Caused by: java.sql.SQLException: The DELETE statement conflicted with the REFERENCE constraint "FK_VAR_LOB". The conflict occurred in database "impression", table "dbo.JBPM4_VARIABLE", column 'LOB_'.</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:368)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2820)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2258)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.TdsCore.getMoreResults(TdsCore.java:632)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.JtdsStatement.processResults(JtdsStatement.java:584)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.JtdsStatement.executeSQL(JtdsStatement.java:546)</div><div id="_mcePaste">at net.sourceforge.jtds.jdbc.JtdsPreparedStatement.executeUpdate(JtdsPreparedStatement.java:506)</div><div id="_mcePaste">at org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:365)</div><div id="_mcePaste">at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2523)</div><div id="_mcePaste">... 88 more</div><div id="_mcePaste"> </div><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>FK_VAR_LOB is a foreign key constraint for JBPM4_VARIABLE.LOB_ column that points to JBPM4_LOB.DBID_. This error means that a DELETE for a record in JBPM4_LOB conflicts with a record in JBPM4_VARIABLE that points to that same record.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I think this problem is related with this strange situation.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The LOB_ in question is 2260042 (see next line).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>org.zkoss.zk.ui.UiException: rendering.0010: org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.lob.Lob#2260042].</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So I did a query on JBPM4_VARIABLE for any records with that LOB_.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>select * from jbpm4_variable where lob_ is not null and lob_ = 2260229</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And I got two records that:</p><ul><li>use <strong>ser-bytes</strong> converter;</li><li>have two diferent <strong>KEY_</strong> names;</li><li>have two different <strong>EXECUTIONID_</strong> values;</li><li>Point to the same <strong>LOB_</strong>.</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Oddly enough the <strong>EXECUTIONID_</strong> values are for different processes.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>select dbid_, procdefid_ from jbpm4_execution where dbid_ in (2260197, 2260223)</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>For setting a variable value we always use several API, but all from publicly exposed jBPM interfaces:</p><ul><li>OpenExecution.setVariable(...);</li><li>ActivityExecution.setVariable(...);</li><li>ExecutionService.setVariable(...);</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So, to make my questions clear.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is this behavior normal for JBPM4_VARIABLE, I would have guessed it is not?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And, what could be causing this strange behavior?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Feel free to ask any more input, data that you consider could help investigating further this issue.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>-- Jorge</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/548684#548684">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>