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YARN-9246 NPE when executing a command yarn node -status or -states without additional arguments. Contributed by Masahiro Tanaka

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(cherry picked from commit 2044967e7581f00c3f6378860426a69078faf694)
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Suma Shivaprasad 2019-02-05 09:39:38 -08:00 committed by Akira Ajisaka
parent f5568e15d0
commit e62cdf915f
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1 changed files with 5 additions and 1 deletions
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/YarnCLI.java
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@ -72,6 +72,10 @@ public void setClient(YarnClient client) {
}
public void stop() {
this.client.stop();
// this.client may be null when it is called before
// invoking `createAndStartYarnClient`
if (this.client != null) {
this.client.stop();
}
}
}