[ https://issues.apache.org/jira/browse/UIMA-1630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jerry Cwiklik closed UIMA-1630. ------------------------------- Resolution: Fixed synchronized access to the childControllerList to prevent concurrency problems that may lead to IndexOutOfBoundsException > Fix IndexOutOfBounds exception in BaseAnalysisEngineController > -------------------------------------------------------------- > > Key: UIMA-1630 > URL: https://issues.apache.org/jira/browse/UIMA-1630 > Project: UIMA > Issue Type: Bug > Components: Async Scaleout > Reporter: Jerry Cwiklik > Assignee: Jerry Cwiklik > Fix For: 2.3AS > > > There seems to be a synchronization problem in BaseAnalysisEngineController > leading to the exception like this: > Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 0 > at java.util.ArrayList.RangeCheck(ArrayList.java:547) > at java.util.ArrayList.get(ArrayList.java:322) > at > org.apache.uima.aae.controller.BaseAnalysisEngineController.stop(BaseAnalysisEngineController.java:1741) > at > org.apache.uima.aae.controller.BaseAnalysisEngineController.stop(BaseAnalysisEngineController.java:1707) > at > org.apache.uima.aae.controller.AggregateAnalysisEngineController_impl.stop(AggregateAnalysisEngineController_impl.java:2753) > at > org.apache.uima.aae.controller.BaseAnalysisEngineController.terminate(BaseAnalysisEngineController.java:1967) > at > org.apache.uima.aae.controller.BaseAnalysisEngineController.terminate(BaseAnalysisEngineController.java:1940) > at > org.apache.uima.adapter.jms.activemq.SpringContainerDeployer.initializeContainer(SpringContainerDeployer.java:313) > at > org.apache.uima.adapter.jms.activemq.SpringContainerDeployer.deploy(SpringContainerDeployer.java:390) > ... 7 more > The aggregate controller attempts to stop its colocated delegates and fails > with IndexOutOfBounds. It looks like one thread is trying to stop, while > another is cleaning up a HashMap. Need to synchronize these activities. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.