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YARN-6801. NPE in RM while setting collectors map in NodeHeartbeatResponse. Contributed by Vrushali C.

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This commit is contained in:
Rohith Sharma K S 2017-07-11 17:59:47 +05:30 committed by Varun Saxena
parent ac7f52df83
commit 660413165a
1 changed files with 11 additions and 7 deletions
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18
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceTrackerService.java
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@ -620,13 +620,17 @@ private void setAppCollectorsMapToResponse(
Map<ApplicationId, RMApp> rmApps = rmContext.getRMApps();
// Set collectors for all running apps on this node.
for (ApplicationId appId : runningApps) {
AppCollectorData appCollectorData = rmApps.get(appId).getCollectorData();
if (appCollectorData != null) {
liveAppCollectorsMap.put(appId, appCollectorData);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Collector for applicaton: " + appId +
" hasn't registered yet!");
RMApp app = rmApps.get(appId);
if (app != null) {
AppCollectorData appCollectorData = rmApps.get(appId)
.getCollectorData();
if (appCollectorData != null) {
liveAppCollectorsMap.put(appId, appCollectorData);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Collector for applicaton: " + appId +
" hasn't registered yet!");
}
}
}
}