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https://issues.apache.org/jira/browse/OOZIE-2755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886890#comment-16886890
]
Julia Kinga Marton commented on OOZIE-2755:
-------------------------------------------
I agree with [~asalamon74] that simply returning true may cause other issues.
+1 for this specific warning approach.
> Oozie HA: ZKJobsConcurrencyService throws runtime exception when numOozies is
> zero
> ----------------------------------------------------------------------------------
>
> Key: OOZIE-2755
> URL: https://issues.apache.org/jira/browse/OOZIE-2755
> Project: Oozie
> Issue Type: Bug
> Components: HA
> Reporter: Dongying Jiao
> Assignee: Andras Salamon
> Priority: Major
> Attachments: OOZIE-2755-01.patch, OOZIE-2755-02.patch
>
>
> Setting up Oozie HA using virtual IP, {{server-1}} and {{server-2}}
> (active-active), when we take down {{server-1}} any Oozie job submitted fails
> with below stacktrace. If both are up , there is no issue.
> {code:java}
> ERROR RecoveryService$RecoveryRunnable:517 - SERVER[XXX] USER[-] GROUP[-]
> TOKEN[-] APP[-] JOB[-] ACTION[-] Exception, / by zero
> java.lang.ArithmeticException: / by zero
> at
> org.apache.oozie.service.ZKJobsConcurrencyService.checkJobIdForServer(ZKJobsConcurrencyService.java:167)
> at
> org.apache.oozie.service.ZKJobsConcurrencyService.isJobIdForThisServer(ZKJobsConcurrencyService.java:129)
> at
> org.apache.oozie.service.RecoveryService$RecoveryRunnable.runWFRecovery(RecoveryService.java:362)
> at
> org.apache.oozie.service.RecoveryService$RecoveryRunnable.run(RecoveryService.java:146)
> at
> org.apache.oozie.service.SchedulerService$2.run(SchedulerService.java:175)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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