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https://issues.apache.org/jira/browse/HDFS-14529?focusedWorklogId=628835&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-628835
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ASF GitHub Bot logged work on HDFS-14529:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Jul/21 02:37
Start Date: 28/Jul/21 02:37
Worklog Time Spent: 10m
Work Description: jojochuang opened a new pull request #3243:
URL: https://github.com/apache/hadoop/pull/3243
Throw FileNotFoundException instead of NPE if inode is not found.
As explained in the corresponding jira, there are two possibilities for this
to happen. This PR does not resolve the culprit. I just merely make the
exception more graceful.
If this problem is ever hit during edit log loading, NameNode can work
around by applying the -recover option.
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Issue Time Tracking
-------------------
Worklog Id: (was: 628835)
Remaining Estimate: 0h
Time Spent: 10m
> NPE while Loading the Editlogs
> ------------------------------
>
> Key: HDFS-14529
> URL: https://issues.apache.org/jira/browse/HDFS-14529
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 3.1.1
> Reporter: Harshakiran Reddy
> Assignee: Ayush Saxena
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {noformat}
> 2019-05-31 15:15:42,397 ERROR namenode.FSEditLogLoader: Encountered exception
> on operation TimesOp [length=0,
> path=/testLoadSpace/dir0/dir0/dir0/dir2/_file_9096763, mtime=-1,
> atime=1559294343288, opCode=OP_TIMES, txid=18927893]
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.unprotectedSetTimes(FSDirAttrOp.java:490)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.applyEditLogOp(FSEditLogLoader.java:711)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:286)
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:181)
> at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:924)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:771)
> at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:331)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1105)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:726)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.doRecovery(NameNode.java:1558)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1640)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1725){noformat}
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