You are viewing a plain text version of this content. The canonical link for it is here.
Posted to yarn-issues@hadoop.apache.org by "nijel (JIRA)" <ji...@apache.org> on 2015/06/19 08:25:00 UTC
[jira] [Updated] (YARN-3830)
AbstractYarnScheduler.createReleaseCache may try to clean a null attempt
[ https://issues.apache.org/jira/browse/YARN-3830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
nijel updated YARN-3830:
------------------------
Attachment: YARN-3830_1.patch
Updated the patch.
Please review
> AbstractYarnScheduler.createReleaseCache may try to clean a null attempt
> ------------------------------------------------------------------------
>
> Key: YARN-3830
> URL: https://issues.apache.org/jira/browse/YARN-3830
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: nijel
> Assignee: nijel
> Attachments: YARN-3830_1.patch
>
>
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.createReleaseCache()
> {code}
> protected void createReleaseCache() {
> // Cleanup the cache after nm expire interval.
> new Timer().schedule(new TimerTask() {
> @Override
> public void run() {
> for (SchedulerApplication<T> app : applications.values()) {
> T attempt = app.getCurrentAppAttempt();
> synchronized (attempt) {
> for (ContainerId containerId : attempt.getPendingRelease()) {
> RMAuditLogger.logFailure(
> {code}
> Here the attempt can be null since the attempt is created later. So null pointer exception will come
> {code}
> 2015-06-19 09:29:16,195 | ERROR | Timer-3 | Thread Thread[Timer-3,5,main] threw an Exception. | YarnUncaughtExceptionHandler.java:68
> java.lang.NullPointerException
> at org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler$1.run(AbstractYarnScheduler.java:457)
> at java.util.TimerThread.mainLoop(Timer.java:555)
> at java.util.TimerThread.run(Timer.java:505)
> {code}
> This will skip the other applications in this run.
> Can add a null check and continue with other applications
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)