[jboss-jira] [JBoss JIRA] Created: (GPD-141) IType.getCompilationUnit() can be null if handler class is in jar, leads to event loop exception

[Matthias Hanisch (JIRA)]

IType.getCompilationUnit() can be null if handler class is in jar, leads to event loop exception
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                 Key: GPD-141
                 URL: http://jira.jboss.com/jira/browse/GPD-141
             Project: JBoss jBPM GPD
          Issue Type: Bug
          Components: jpdl
    Affects Versions: jBPM JPDL Designer 3.1.0.CR
         Environment: Eclipse 3.2 on Windows 2000
            Reporter: Matthias Hanisch
         Assigned To: Koen Aers


Following part of my processdefinition.xml:
		<event type="node-leave">
			<action class="x.y.z.MyClass" name="An Action">
				<arg>
					anArg
				</arg>
			</action>
		</event>

MyClass is in a jar which is added to the classpath of the Process Project. Saving throws an event loop exception in Error Log View with the following stack.

Caused by: org.eclipse.jface.util.Assert$AssertionFailedException: null argument;
at org.eclipse.jface.util.Assert.isNotNull(Assert.java:150)
at org.eclipse.jface.util.Assert.isNotNull(Assert.java:126)
at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:577)
at org.eclipse.jface.viewers.CheckboxTreeViewer.setCheckedElements(CheckboxTreeViewer.java:431)
at org.jbpm.gd.jpdl.deployment.IncludeInDeploymentTreeViewer.setCheckedElements(IncludeInDeploymentTreeViewer.java:61)
at org.jbpm.gd.jpdl.deployment.DeploymentForm$17.run(DeploymentForm.java:635)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)

The problem is, that DeploymentForm.getElementsToCheckFor() does not respect that MyClass returns null for getCompilationUnit(). As a consequence, setCheckedElements is called with null in the Object[].

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