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Ian Maxon commented on ASTERIXDB-1864: -------------------------------------- Do you have the entire log? > Returning Null pointer > ----------------------- > > Key: ASTERIXDB-1864 > URL: https://issues.apache.org/jira/browse/ASTERIXDB-1864 > Project: Apache AsterixDB > Issue Type: Bug > Components: AsterixDB, Error Reporting, Hyracks > Environment: Linux Cluster CentOS 7.3 x86_64. > Reporter: Subhasis > > My database was running fine, but suddenly I started to get the following > error message on every query: > Internal error. Please check instance logs for further details. > [NullPointerException] > and my log is as follows: > Mar 27, 2017 8:03:31 PM org.apache.hyracks.control.nc.work.CleanupJobletWork > run > INFO: Cleaning up after job: JID:105 > org.apache.hyracks.api.exceptions.HyracksDataException: null > at > org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:228) > at > org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.initialize(SuperActivityOperatorNodePushable.java:84) > at org.apache.hyracks.control.nc.Task.run(Task.java:273) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.InterruptedException > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404) > at java.util.concurrent.FutureTask.get(FutureTask.java:191) > at > org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:222) > ... 5 more > Mar 27, 2017 8:03:31 PM > org.apache.hyracks.control.common.work.WorkQueue$WorkerThread run > INFO: Executing: NotifyTaskFailure -- This message was sent by Atlassian JIRA (v6.3.15#6346)