Jihun Kang created TAJO-1549:
--------------------------------
Summary: NPE avoidance on makeStageHistory Function in Stage.java
Key: TAJO-1549
URL: https://issues.apache.org/jira/browse/TAJO-1549
Project: Tajo
Issue Type: Bug
Components: query master
Affects Versions: 0.11.0
Reporter: Jihun Kang
Priority: Minor
There are some possibility on NPE in makeStageHistory function. It is not a
quite big issue on Tajo Cluster, but it could be lessened error logs.
{code}
java.lang.NullPointerException
at org.apache.tajo.querymaster.Stage.makeStageHistory(Stage.java:471)
at org.apache.tajo.querymaster.Stage.getStageHistory(Stage.java:445)
at org.apache.tajo.querymaster.Query.makeStageHistories(Query.java:295)
at org.apache.tajo.querymaster.Query.getQueryHistory(Query.java:288)
at
org.apache.tajo.querymaster.QueryMaster$QueryMasterContext.stopQuery(QueryMaster.java:369)
at
org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:425)
at
org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:422)
at
org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
at
org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
at java.lang.Thread.run(Thread.java:701)
{code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
