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https://issues.apache.org/jira/browse/HDFS-12985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317368#comment-16317368
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Hudson commented on HDFS-12985:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13462 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13462/])
HDFS-12985. NameNode crashes during restart after an OpenForWrite file
(manojpec: rev 73ff09b79a5cf9932edc21c58f3a730f7379086b)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestOpenFilesWithSnapshot.java
> NameNode crashes during restart after an OpenForWrite file present in the
> Snapshot got deleted
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-12985
> URL: https://issues.apache.org/jira/browse/HDFS-12985
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 2.8.0
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Attachments: HDFS-12985.01.patch
>
>
> NameNode crashes repeatedly with NPE at the startup when trying to find the
> total number of under construction blocks. This crash happens after an open
> file, which was also part of a snapshot gets deleted along with the snapshot.
> {noformat}
> Failed to start namenode.
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.LeaseManager.getNumUnderConstructionBlocks(LeaseManager.java:146)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getCompleteBlocksTotal(FSNamesystem.java:6537)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startCommonServices(FSNamesystem.java:1232)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.startCommonServices(NameNode.java:706)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:692)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:844)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:823)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1547)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1615)
> {noformat}
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