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HDDS-1331. In DatanodeStateMachine join check for not null.

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Bharat Viswanadham 2019-03-23 09:43:49 -07:00 committed by GitHub
parent 6a34c9bb29
commit 128dd91e10
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1 changed files with 7 additions and 2 deletions
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hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
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@ -363,9 +363,14 @@ public void triggerHeartbeat() {
* @throws InterruptedException
*/
public void join() throws InterruptedException {
if (stateMachineThread != null) {
stateMachineThread.join();
}
if (cmdProcessThread != null) {
cmdProcessThread.join();
}
}
/**
* Stop the daemon thread of the datanode state machine.