[ 
https://issues.apache.org/jira/browse/HDFS-11850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455073#comment-16455073
 ] 

Hudson commented on HDFS-11850:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14070 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/14070/])
HDFS-11850. Ozone: Stack Overflow in XceiverClientManager because of (omalley: 
rev a0f51ee3d746126f7a45f81b5f7a0355004b12a0)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/XceiverClientManager.java


> Ozone: Stack Overflow in XceiverClientManager because of race condition in 
> accessing openClient
> -----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11850
>                 URL: https://issues.apache.org/jira/browse/HDFS-11850
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Mukul Kumar Singh
>            Assignee: Mukul Kumar Singh
>            Priority: Major
>         Attachments: HDFS-11850-HDFS-7240.001.patch
>
>
> There is a possible race condition in accessing the open client has, it is 
> because of unlocked access of the hash in acquireClient.
> This can cause stack overflow and also leaking client in all probabilities
> {code}
>         at 
> com.google.common.cache.LocalCache$Segment.put(LocalCache.java:3019)
>         at com.google.common.cache.LocalCache.put(LocalCache.java:4365)
>         at 
> com.google.common.cache.LocalCache$LocalManualCache.put(LocalCache.java:5077)
>         at 
> org.apache.hadoop.scm.XceiverClientManager$1.onRemoval(XceiverClientManager.java:85)
>         at 
> com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1966)
>         at 
> com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3650)
>         at 
> com.google.common.cache.LocalCache$Segment.postWriteCleanup(LocalCache.java:3626)
>         at 
> com.google.common.cache.LocalCache$Segment.put(LocalCache.java:3019)
>         at com.google.common.cache.LocalCache.put(LocalCache.java:4365)
>         at 
> com.google.common.cache.LocalCache$LocalManualCache.put(LocalCache.java:5077)
>         at 
> org.apache.hadoop.scm.XceiverClientManager$1.onRemoval(XceiverClientManager.java:85)
>         at 
> com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1966)
>         at 
> com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3650)
>         at 
> com.google.common.cache.LocalCache$Segment.postWriteCleanup(LocalCache.java:3626)
>         at 
> com.google.common.cache.LocalCache$Segment.put(LocalCache.java:3019)
>         at com.google.common.cache.LocalCache.put(LocalCache.java:4365)
>         at 
> com.google.common.cache.LocalCache$LocalManualCache.put(LocalCache.java:5077)
>         at 
> org.apache.hadoop.scm.XceiverClientManager$1.onRemoval(XceiverClientManager.java:85)
>         at 
> com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1966)
>         at 
> com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3650)
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org

Reply via email to