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https://issues.apache.org/jira/browse/HDFS-4867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13677494#comment-13677494
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Hudson commented on HDFS-4867:
------------------------------
Integrated in Hadoop-trunk-Commit #3875 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/3875/])
HDFS-4867. metaSave NPEs when there are invalid blocks in repl queue.
Contributed by Plamen Jeliazkov and Ravi Prakash. (Revision 1490433)
Result = SUCCESS
shv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1490433
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetaSave.java
> metaSave NPEs when there are invalid blocks in repl queue.
> ----------------------------------------------------------
>
> Key: HDFS-4867
> URL: https://issues.apache.org/jira/browse/HDFS-4867
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 0.23.7, 2.0.4-alpha, 0.23.8
> Reporter: Kihwal Lee
> Assignee: Plamen Jeliazkov
> Fix For: 3.0.0, 2.0.5-alpha
>
> Attachments: HDFS-4867.branch-0.23.patch,
> HDFS-4867.branch-0.23.patch, HDFS-4867.branch-0.23.patch,
> HDFS-4867.branch-0.23.patch, HDFS-4867.branch-2.patch,
> HDFS-4867.branch2.patch, HDFS-4867.branch2.patch, HDFS-4867.branch2.patch,
> HDFS-4867.trunk.patch, HDFS-4867.trunk.patch, HDFS-4867.trunk.patch,
> HDFS-4867.trunk.patch, testMetaSave.log
>
>
> Since metaSave cannot get the inode holding a orphaned/invalid block, it NPEs
> and stops generating further report. Normally ReplicationMonitor removes them
> quickly, but if the queue is huge, it takes very long time. Also in safe
> mode, they stay.
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