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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