[ https://issues.apache.org/jira/browse/DRILL-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arina Ielchiieva updated DRILL-6793: ------------------------------------ Reviewer: Volodymyr Vysotskyi > FragmentExecutor cannot send its final state for the case when RootExec root > wasn't initialized > ----------------------------------------------------------------------------------------------- > > Key: DRILL-6793 > URL: https://issues.apache.org/jira/browse/DRILL-6793 > Project: Apache Drill > Issue Type: Bug > Affects Versions: 1.15.0 > Reporter: Volodymyr Vysotskyi > Assignee: Bohdan Kazydub > Priority: Major > Fix For: 1.15.0 > > > *Problem description* > For the case when the exception was thrown during [initializing {{RootExec > root}}|https://github.com/apache/drill/blob/master/exec/java-exec/src/main/java/org/apache/drill/exec/work/fragment/FragmentExecutor.java#L264], > after that {{root.dumpBatches()}} is called in > {{FragmentExecutor.cleanup()}} method, so NPE will be thrown before releasing > the resources and sending the final state. > {noformat} > 20:11:22.910 [243f2a45-cd8a-b3f8-3d5d-36fdbe8fb446:frag:0:0] ERROR > o.a.d.exec.server.BootStrapContext - > org.apache.drill.exec.work.WorkManager$WorkerBee$2.run() leaked an exception. > Exception in thread "243f2a45-cd8a-b3f8-3d5d-36fdbe8fb446:frag:0:0" > java.lang.NullPointerException > at > org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:211) > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:330) > at > org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > java.lang.NullPointerException: null > at > org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:211) > ~[classes/:na] > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:330) > ~[classes/:na] > at > org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) > ~[classes/:na] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > ~[na:1.8.0_181] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > [na:1.8.0_181] > at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181] > {noformat} > *Simple reproduce* > Throw the exception in the constructor of {{ParquetRecordReader}} and run any > parquet test, for example > {{TestParquetMetadataCache.testPartitionPruningWithMetadataCache_1()}} -- This message was sent by Atlassian JIRA (v7.6.3#76005)