[
https://jira.jboss.org/jira/browse/JBRULES-2230?page=com.atlassian.jira.p...
]
Michael Neale commented on JBRULES-2230:
----------------------------------------
replace line 386 in KnowledgeAgentImpl.java with:
ResourceConfiguration conf = ((InternalResource)
resource).getConfiguration();
if (conf != null) {
kbuilder.add( resource,
((InternalResource) resource).getResourceType(),
conf );
} else {
kbuilder.add( resource,
((InternalResource) resource).getResourceType()
);
}
And this should work (testing it out).
DecisionTable added to KnowledgeAgent via change-set throws a
NullPointerException
----------------------------------------------------------------------------------
Key: JBRULES-2230
URL:
https://jira.jboss.org/jira/browse/JBRULES-2230
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: drools-compiler, drools-core
Affects Versions: 5.0.1.FINAL
Environment: Windows XP
Java 1.5
Reporter: Steve Ronderos
Assignee: Mark Proctor
Attachments: bug.zip
When adding a change-set which contains a decision table to a KnowledgeAgent I receive
the following error:
Exception in thread "main" java.lang.NullPointerException
at
org.drools.decisiontable.DecisionTableProviderImpl.compileStream(DecisionTableProviderImpl.java:26)
at
org.drools.decisiontable.DecisionTableProviderImpl.loadFromInputStream(DecisionTableProviderImpl.java:19)
at
org.drools.compiler.DecisionTableFactory.loadFromInputStream(DecisionTableFactory.java:16)
at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:508)
at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:386)
at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:120)
at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:109)
at org.drools.bug.AgentDecisionTableBug.main(AgentDecisionTableBug.java:12)
I tested with 5.0.1 and 5.1.0.SNAPSHOT. I looked into the code a little and it appears
that KnowledgeAgentImpl.rebuildResources does not parse the DecisionTable's
configuration and pass it to the overloaded KnowledgeBuilderImpl.add method.
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