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YARN-6603. NPE in RMAppsBlock. Contributed by Jason Lowe

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(cherry picked from commit 489f85933c508bc26de607b921e56e23b979fce8)
This commit is contained in:
Jason Lowe 2017-05-16 09:26:44 -05:00
parent da7c900fe3
commit feb7e92121
1 changed files with 10 additions and 7 deletions
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17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
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@ -31,6 +31,7 @@
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.webapp.AppsBlock;
import org.apache.hadoop.yarn.server.webapp.dao.AppInfo;
@ -96,13 +97,15 @@ protected void renderData(Block html) {
}
String blacklistedNodesCount = "N/A";
RMAppAttempt appAttempt =
rm.getRMContext().getRMApps().get(appAttemptId.getApplicationId())
.getAppAttempts().get(appAttemptId);
Set<String> nodes =
null == appAttempt ? null : appAttempt.getBlacklistedNodes();
if (nodes != null) {
blacklistedNodesCount = String.valueOf(nodes.size());
RMApp rmApp = rm.getRMContext().getRMApps()
.get(appAttemptId.getApplicationId());
if (rmApp != null) {
RMAppAttempt appAttempt = rmApp.getRMAppAttempt(appAttemptId);
Set<String> nodes =
null == appAttempt ? null : appAttempt.getBlacklistedNodes();
if (nodes != null) {
blacklistedNodesCount = String.valueOf(nodes.size());
}
}
String percent = StringUtils.format("%.1f", app.getProgress());
appsTableData