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YARN-1919. Potential NPE in EmbeddedElectorService#stop. (Tsuyoshi Ozawa via kasha)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1619251 13f79535-47bb-0310-9956-ffa450edef68
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Karthik Kambatla 2014-08-20 22:10:52 +00:00
parent 9b8250c742
commit e1dd210fa5
2 changed files with 11 additions and 2 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -223,6 +223,9 @@ Release 2.6.0 - UNRELEASED
YARN-2034. Description for yarn.nodemanager.localizer.cache.target-size-mb YARN-2034. Description for yarn.nodemanager.localizer.cache.target-size-mb
is incorrect (Chen He via jlowe) is incorrect (Chen He via jlowe)
YARN-1919. Potential NPE in EmbeddedElectorService#stop.
(Tsuyoshi Ozawa via kasha)
Release 2.5.0 - 2014-08-11 Release 2.5.0 - 2014-08-11
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

6
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java
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@ -109,8 +109,14 @@ protected void serviceStart() throws Exception {
@Override @Override
protected void serviceStop() throws Exception { protected void serviceStop() throws Exception {
/**
* When error occurs in serviceInit(), serviceStop() can be called.
* We need null check for the case.
*/
if (elector != null) {
elector.quitElection(false); elector.quitElection(false);
elector.terminateConnection(); elector.terminateConnection();
}
super.serviceStop(); super.serviceStop();
} }