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https://issues.apache.org/jira/browse/HDFS-12605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209894#comment-16209894
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Ewan Higgs commented on HDFS-12605:
-----------------------------------
I tested this with a NN and DN on a local system and it worked. I previously
had the exception locally when starting DNs but applying the patch fixed it
when I tried to bounce a DN.
+1
> [READ] TestNameNodeProvidedImplementation#testProvidedDatanodeFailures fails
> after rebase
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-12605
> URL: https://issues.apache.org/jira/browse/HDFS-12605
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Attachments: HDFS-12605-HDFS-9806.001.patch
>
>
> {{TestNameNodeProvidedImplementation#testProvidedDatanodeFailures}} fails
> after rebase with the following error:
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.hdfs.net.DFSTopologyNodeImpl.decStorageTypeCount(DFSTopologyNodeImpl.java:127)
> at
> org.apache.hadoop.hdfs.net.DFSTopologyNodeImpl.remove(DFSTopologyNodeImpl.java:318)
> at
> org.apache.hadoop.hdfs.net.DFSTopologyNodeImpl.remove(DFSTopologyNodeImpl.java:336)
> at
> org.apache.hadoop.net.NetworkTopology.remove(NetworkTopology.java:222)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.removeDatanode(DatanodeManager.java:712)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.removeDeadDatanode(DatanodeManager.java:755)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.HeartbeatManager.heartbeatCheck(HeartbeatManager.java:407)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil.noticeDeadDatanode(BlockManagerTestUtil.java:213)
> at
> org.apache.hadoop.hdfs.server.namenode.TestNameNodeProvidedImplementation.testProvidedDatanodeFailures(TestNameNodeProvidedImplementation.java:471)
> {code}
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