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https://issues.apache.org/jira/browse/UIMA-5703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jerry Cwiklik closed UIMA-5703.
-------------------------------
Resolution: Fixed
Removed the cause of NPE. One thread was nullifying reference to an
InputChannel while another was still using it.
> UIMA-AS: Fix NPE on service shutdown
> ------------------------------------
>
> Key: UIMA-5703
> URL: https://issues.apache.org/jira/browse/UIMA-5703
> Project: UIMA
> Issue Type: Bug
> Components: Async Scaleout
> Reporter: Jerry Cwiklik
> Assignee: Jerry Cwiklik
> Priority: Major
> Fix For: 2.10.2AS
>
>
> Sometimes the service throws NPE when cleaning up while shutting down. The
> stack trace is a follows:
> Jan 11, 2018 10:12:29 AM
> org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl
> terminate
> INFO: Controller: Meeting Detector TAE Received Terminate Event
> Jan 11, 2018 10:12:29 AM org.apache.uima.adapter.jms.service.UIMA_Service main
> WARNING:
> java.lang.NullPointerException
> at
> org.apache.uima.aae.controller.BaseAnalysisEngineController.getInputChannel(BaseAnalysisEngineController.java:2435)
> at
> org.apache.uima.aae.controller.BaseAnalysisEngineController.terminate(BaseAnalysisEngineController.java:2168)
> at
> org.apache.uima.aae.controller.BaseAnalysisEngineController.terminate(BaseAnalysisEngineController.java:2148)
> at
> org.apache.uima.adapter.jms.activemq.SpringContainerDeployer.undeploy(SpringContainerDeployer.java:501)
> at
> org.apache.uima.adapter.jms.service.UIMA_Service.main(UIMA_Service.java:464)
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