[UIMA-5703] UIMA-AS: Fix NPE on service shutdown

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.10.2AS
• Component/s: Async Scaleout
• Assignee: Jaroslaw Cwiklik
• Reporter: Jaroslaw Cwiklik
• Created: 11/Jan/18 22:00
• Updated: 27/Jan/18 16:41
• Resolved: 27/Jan/18 16:41

Description

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)