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https://issues.apache.org/jira/browse/HDFS-15485?focusedWorklogId=509833&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-509833
]
ASF GitHub Bot logged work on HDFS-15485:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Nov/20 17:11
Start Date: 10/Nov/20 17:11
Worklog Time Spent: 10m
Work Description: jojochuang merged pull request #2162:
URL: https://github.com/apache/hadoop/pull/2162
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Issue Time Tracking
-------------------
Worklog Id: (was: 509833)
Time Spent: 20m (was: 10m)
> Fix outdated properties of JournalNode when performing rollback
> ---------------------------------------------------------------
>
> Key: HDFS-15485
> URL: https://issues.apache.org/jira/browse/HDFS-15485
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Deegue
> Assignee: Deegue
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When rollback HDFS cluster, properties in JNStorage won't be refreshed after
> the storage dir changed. It leads to exceptions when starting namenode.
> The exception like:
> {code:java}
> 2020-07-09 19:04:12,810 FATAL [IPC Server handler 105 on 8022]
> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Error:
> recoverUnfinalizedSegments failed for required journal
> (JournalAndStream(mgr=QJM to [10.0.118.217:8485, 10.0.117.208:8485,
> 10.0.118.179:8485], stream=null))
> org.apache.hadoop.hdfs.qjournal.client.QuorumException: Got too many
> exceptions to achieve quorum size 2/3. 3 exceptions thrown:
> 10.0.118.217:8485: Incompatible namespaceID for journal Storage Directory
> /mnt/vdc-11176G-0/dfs/jn/nameservicetest1: NameNode has nsId 647617129 but
> storage has nsId 0
> at
> org.apache.hadoop.hdfs.qjournal.server.JNStorage.checkConsistentNamespace(JNStorage.java:236)
> at
> org.apache.hadoop.hdfs.qjournal.server.Journal.newEpoch(Journal.java:300)
> at
> org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer.newEpoch(JournalNodeRpcServer.java:136)
> at
> org.apache.hadoop.hdfs.qjournal.protocolPB.QJournalProtocolServerSideTranslatorPB.newEpoch(QJournalProtocolServerSideTranslatorPB.java:133)
> at
> org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos$QJournalProtocolService$2.callBlockingMethod(QJournalProtocolProtos.java:25417)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2278)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2274)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2274)
> {code}
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