[jboss-jira] [JBoss JIRA] (JBRULES-3287) Registering a SystemEventListener for a change set scanner does not seem to work. Therefor it's not possible to detect exceptions during scanning.
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https://issues.jboss.org/browse/JBRULES-3287?page=com.atlassian.jira.plug...
]
Geoffrey De Smet commented on JBRULES-3287:
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Looks like it should be done with
{code}
ResourceFactory.getResourceChangeScannerService().setSystemListener(...)
{code}
but since it's impossible to do
{code}
ResourceFactory.getResourceChangeScannerService().getSystemListener()
{code}
it can't be done for a single testcase without affecting the other testcases.
Registering a SystemEventListener for a change set scanner does not
seem to work. Therefor it's not possible to detect exceptions during scanning.
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Key: JBRULES-3287
URL: https://issues.jboss.org/browse/JBRULES-3287
Project: Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Reporter: Geoffrey De Smet
Assignee: Mark Proctor
Attachments: JBRULES-3287.patch
I wrote a FailureDetectingSystemEventListener to retain the exceptions throw in the
scanner, so I can fail my testcase if there are any exception is the off-threads of a
testcase that should fail the test case (but currently don't).
{code}
FailureDetectingSystemEventListener systemEventListener = new
FailureDetectingSystemEventListener();
SystemEventListenerFactory.setSystemEventListener(systemEventListener);
{code}
However, when I tried registering this on the agent:
{code}
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent("csv
agent");
kagent.setSystemEventListener(systemEventListener);
{code}
It didn't work, the DoNothingSEL was still used.
When I tried on the SystemEventListenerFactory:
{code}
SystemEventListenerFactory.setSystemEventListener(systemEventListener);
{code}
a StackOverflowException occurs, because ProcessChangeSet.listener is a DelegatingSEL
pointing to itself.
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