[jboss-jira] [JBoss JIRA] Created: (JBRULES-3140) NullPointerException thrown on JPA synchronization.afterCompletion() clearProcessInstances()
NullPointerException thrown on JPA synchronization.afterCompletion()
clearProcessInstances()
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Key: JBRULES-3140
URL: https://issues.jboss.org/browse/JBRULES-3140
Project: Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-core
Affects Versions: 5.2.0.Final
Reporter: Nick Bruno
Assignee: Mark Proctor
In
org.drools.persistence.SingleSessionCommandService$SynchronizationImpl.afterCompletion(),
the following generates a NullPointerException when no processes are implemented.
{noformat}if ( ksession != null ) {
((InternalKnowledgeRuntime) ksession).getProcessRuntime().clearProcessInstances(); //
NullPointerException
((JPAWorkItemManager) ksession.getWorkItemManager()).clearWorkItems();
}
{noformat}
The fix is to grab the InternalProcessRuntime to a local variable and test if it is null
before calling clearProcessInstances(), as so:
{noformat}InternalProcessRuntime ipr = ((InternalKnowledgeRuntime)
ksession).getProcessRuntime();
if( ipr != null) {
ipr.clearProcessInstances();
}{noformat}
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