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YARN-9584. Should put initializeProcessTrees method call before get pid. Contributed by Wanqiang Ji. 

(cherry picked from commit 67414a1a80)
This commit is contained in:
Zhankun Tang 2019-06-18 12:23:52 +08:00
parent c25427ceca
commit df2ae271cc
1 changed files with 1 additions and 2 deletions
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
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@ -428,11 +428,10 @@ public class ContainersMonitorImpl extends AbstractService implements
ContainerId containerId = entry.getKey();
ProcessTreeInfo ptInfo = entry.getValue();
try {
String pId = ptInfo.getPID();
// Initialize uninitialized process trees
initializeProcessTrees(entry);
String pId = ptInfo.getPID();
if (pId == null || !isResourceCalculatorAvailable()) {
continue; // processTree cannot be tracked
}