Yongzhi Chen created HIVE-11380: ----------------------------------- Summary: NPE when FileSinkOperator is not inialized Key: HIVE-11380 URL: https://issues.apache.org/jira/browse/HIVE-11380 Project: Hive Issue Type: Bug Components: Query Processor Affects Versions: 0.14.0 Reporter: Yongzhi Chen Assignee: Yongzhi Chen
When FileSinkOperator's initializeOp is not called (which may happen when an operator before FileSinkOperator initializeOp failed), FileSinkOperator will throw NPE at close time. The stacktrace: {noformat} org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException at org.apache.hadoop.hive.ql.exec.FileSinkOperator.createBucketFiles(FileSinkOperator.java:523) at org.apache.hadoop.hive.ql.exec.FileSinkOperator.closeOp(FileSinkOperator.java:952) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:598) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:199) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343) at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.hadoop.hive.ql.exec.FileSinkOperator.createBucketFiles(FileSinkOperator.java:519) ... 18 more {noformat} This Exception is misleading and often distracts users from finding real issues. -- This message was sent by Atlassian JIRA (v6.3.4#6332)