Gopal V created HIVE-20138:
------------------------------
Summary: Sessions: Closing Tez sessions if opened outside of
default sessions throws NPE
Key: HIVE-20138
URL: https://issues.apache.org/jira/browse/HIVE-20138
Project: Hive
Issue Type: Bug
Components: Tez
Reporter: Gopal V
On a busy cluster, if a session is currently in ACCEPTED state (i.e YARN hasn't
started it yet), running a query will NPE.
{code}
java.lang.NullPointerException: null
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionState.getSession(TezSessionState.java:711)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionState.close(TezSessionState.java:646)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.closeIfNotDefault(TezSessionPoolManager.java:353)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.getSession(TezSessionPoolManager.java:467)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.hadoop.hive.ql.exec.tez.WorkloadManagerFederation.getUnmanagedSession(WorkloadManagerFederation.java:66)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.hadoop.hive.ql.exec.tez.WorkloadManagerFederation.getSession(WorkloadManagerFederation.java:38)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:184)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
{code}
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