[jboss-jira] [JBoss JIRA] Commented: (GPD-130) Class Cast exception in ConfigInfoElement.getConfigInfoElements()
[ http://jira.jboss.com/jira/browse/GPD-130?page=comments#action_12371355 ]
Imran Naqvi commented on GPD-130:
---------------------------------
yes th array should only contain ConfigInfoElements. But the following lines in
ConfigInfoElements.getConfigInfoElements() always returns a class cast exception:
return (ConfigInfoElement[])configInfoElements.toArray(new
Object[configInfoElements.size()]);
this is because we are trying to directly cast from Object[] to ConfigInfoElement[]. Even
though every element in Object[] is a ConfigInfoElement, it is still not allowed to have
two references to an array of different types. Instead something like this would work:
ConfigInfoElement[] elements = new
ConfigInfoElement[configInfoElements.size()];
for (int i = 0; i < configInfoElements.size(); i++)
elements[i] = (ConfigInfoElement) this.configInfoElements.get(i);
return elements;
Class Cast exception in ConfigInfoElement.getConfigInfoElements()
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Key: GPD-130
URL: http://jira.jboss.com/jira/browse/GPD-130
Project: JBoss jBPM GPD
Issue Type: Bug
Components: jpdl
Affects Versions: jBPM JPDL Designer 3.1.0.beta2
Reporter: Imran Naqvi
Assigned To: Koen Aers
Fix For: jBPM JPDL Designer 3.1.0.CR
ConfigInfoElement.getConfigInfoElements() always throws a class cast exception. The
method is trying to cast from an object[] to a ConfigInfoElement[]. Instead we should cast
each object in the array individually and copy it to the resultant array.
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