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https://issues.apache.org/jira/browse/HDFS-13795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576575#comment-16576575
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Hudson commented on HDFS-13795:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14746 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14746/])
HDFS-13795. Fix potential NPE in InMemoryLevelDBAliasMapServer. (virajith: rev
15241c6349a5245761ed43bd0d38b25f783cc96b)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/aliasmap/InMemoryLevelDBAliasMapServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TestInMemoryLevelDBAliasMapClient.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/InMemoryAliasMapProtocolClientSideTranslatorPB.java
> Fix potential NPE in InMemoryLevelDBAliasMapServer
> --------------------------------------------------
>
> Key: HDFS-13795
> URL: https://issues.apache.org/jira/browse/HDFS-13795
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: HDFS-13795.001.patch, HDFS-13795.002.patch,
> HDFS-13795.003.patch, HDFS-13795.004.patch, HDFS-13795.005.patch
>
>
> Namenode fails to stop correctly due to NPE in InMemoryAliasMapServer, when
> it is configured incorrectly.
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.aliasmap.InMemoryLevelDBAliasMapServer.close(InMemoryLevelDBAliasMapServer.java:149)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:1023)
> {code}
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