skip counter update when RunningJob.getCounters() returns null
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Key: HIVE-1422
URL: https://issues.apache.org/jira/browse/HIVE-1422
Project: Hadoop Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.6.0
Reporter: John Sichi
Assignee: John Sichi
Fix For: 0.7.0
Under heavy load circumstances on some Hadoop versions, we may get a NPE from
trying to dereference a null Counters object. I don't have a unit test which
can reproduce it, but here's an example stack from a production cluster we saw
today:
10/06/21 13:01:10 ERROR exec.ExecDriver: Ended Job = job_201005200457_701060
with exception 'java.lang.NullPointerException(null)'
java.lang.NullPointerException
at org.apache.hadoop.hive.ql.exec.Operator.updateCounters(Operator.java:999)
at org.apache.hadoop.hive.ql.exec.ExecDriver.updateCounters(ExecDriver.java:503)
at org.apache.hadoop.hive.ql.exec.ExecDriver.progress(ExecDriver.java:390)
at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:697)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:107)
at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:55)
at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
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