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https://issues.apache.org/jira/browse/QPID-6283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960463#comment-14960463
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ASF subversion and git services commented on QPID-6283:
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Commit 1708943 from [~lorenz.quack] in branch 'java/trunk'
[ https://svn.apache.org/r1708943 ]
QPID-6283: [Java Broker] Close possibility for DivByZero in
FileSystemSizeChecker
Addressed review comments from Keith Wall.
This closes the possibility of a DivByZero in the unlucky case where the store
gets deleted just before the call to getTotalSpace()
> FileSystemSpaceChecker can generate java.lang.ArithmeticException / by zero
> ---------------------------------------------------------------------------
>
> Key: QPID-6283
> URL: https://issues.apache.org/jira/browse/QPID-6283
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.31
> Reporter: Keith Wall
> Priority: Minor
>
> Whilst testing trunk I ran into the following stack trace being periodically
> written to the log.
> 2014-12-22 17:58:02,093 WARN [default2:FileSystemSpaceChecker]
> (virtualhost.AbstractVirtualHost$FileSystemSpaceChecker) - throw exception:
> java.lang.ArithmeticException: / by zero
> java.lang.ArithmeticException: / by zero
> at
> org.apache.qpid.server.virtualhost.AbstractVirtualHost$FileSystemSpaceChecker.execute(AbstractVirtualHost.java:1578)
> at
> org.apache.qpid.server.virtualhost.HouseKeepingTask$1.run(HouseKeepingTask.java:59)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:356)
> at
> org.apache.qpid.server.virtualhost.HouseKeepingTask.run(HouseKeepingTask.java:52)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
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