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Database reconnect failed for JBoss/JBPM
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created by <a href="http://community.jboss.org/people/waldsgbq">Georg Waldschmidt</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/635439#635439">View the full discussion</a>
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<div class="jive-rendered-content"><p>We are using JBoss-5.1.0.GA, JBPM 4.4 and Oracle 11g. </p><p>When we try to test the database reconnect abilities (by disconnecting the network connection between JBoss and the Oracle server),</p><p>After reestablishing the network connection, JBPM doesn't reconnect properly. Starting a new business process instance ends in an exception:</p><p>2011-11-07 17:34:34,041 ERROR [pool-24-thread-2] (Log4jLog.java:42) failed to execute job: 10500</p><p>org.jbpm.api.JbpmException: invalid transaction state: STATUS_ROLLING_BACK</p><p> at org.jbpm.pvm.internal.tx.JtaTransactionInterceptor.execute(JtaTransactionInterceptor.java:59)</p><p> at org.jbpm.pvm.internal.tx.JtaRetryInterceptor.executeWithoutRetry(JtaRetryInterceptor.java:56)</p><p> at org.jbpm.pvm.internal.tx.JtaRetryInterceptor.execute(JtaRetryInterceptor.java:48)</p><p> at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)</p><p> at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)</p><p> at org.jbpm.pvm.internal.svc.SkipInterceptor.execute(SkipInterceptor.java:43)</p><p> at org.jbpm.pvm.internal.jobexecutor.JobParcel.run(JobParcel.java:48)</p><p> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)</p><p> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)</p><p> at java.util.concurrent.FutureTask.run(FutureTask.java:138)</p><p> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p><p> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p><p> at java.lang.Thread.run(Thread.java:619)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Has anyone any idea on how to ensure that JBPM's job executor proceeds processing new jobs (and ideally</p><p>jobs that got interrupted) after a database connection interrupt?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>We would expect, that JBoss's managed connection pool takes care of connections affected by the interrupt.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here the listing of datasource (jbpm-oracle-ds.xml)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><!-- ===================================================================== --></p><p><!--                                                                       --></p><p><!--  JBoss Server Configuration                                           --></p><p><!--                                                                       --></p><p><!-- ===================================================================== --></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span><!-- $Id: jbpm-oracle-ds.xml 4458 2009-04-06 14:36:41Z </span><a class="jive-link-email-small" href="mailto:heiko.braun@jboss.com" target="_blank">heiko.braun@jboss.com</a><span> $ --></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><!-- ===================================================================== --></p><p><!-- ATTENTION:  DO NOT FORGET TO SET Pad=true IN transaction-service.xml  --></p><p><!-- ===================================================================== --></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><datasources></p><p>  <xa-datasource></p><p>    <jndi-name>JbpmDS</jndi-name></p><p>    <track-connection-by-tx></track-connection-by-tx></p><p>    <check-valid-connection-sql>select count(*) from dual</check-valid-connection-sql></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- uncomment to enable interleaving <interleaving/> --></p><p>    <isSameRM-override-value>false</isSameRM-override-value></p><p>    <xa-datasource-class>oracle.jdbc.xa.client.OracleXADataSource</xa-datasource-class></p><p>    <xa-datasource-property name="URL">jdbc:oracle:thin:@127.0.0.1:1521:JBPMDB</xa-datasource-property></p><p>    <xa-datasource-property name="User">USER</xa-datasource-property></p><p>    <xa-datasource-property name="Password">PASSWORD</xa-datasource-property></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- Uses the pingDatabase method to check a connection is still valid before handing it out from the pool --></p><p>    <!--valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name--></p><p>    <!-- Checks the Oracle error codes and messages for fatal errors --></p><p>    <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- Oracles XA datasource cannot reuse a connection outside a transaction once enlisted in a global transaction and vice-versa --></p><p>    <no-tx-separate-pools/></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) --></p><p>    <metadata></p><p>        <type-mapping>Oracle9i</type-mapping></p><p>    </metadata></p><p>  </xa-datasource></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  <mbean code="org.jboss.resource.adapter.jdbc.vendor.OracleXAExceptionFormatter" </p><p>         name="jboss.jca:service=OracleXAExceptionFormatter"></p><p>    <depends optional-attribute-name="TransactionManagerService">jboss:service=TransactionManager</depends></p><p>  </mbean></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p></datasources></p></div>
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