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https://issues.apache.org/jira/browse/HDFS-14557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell updated HDFS-14557:
-------------------------------------
Target Version/s: 3.3.0
Status: Patch Available (was: Open)
> JournalNode error: Can't scan a pre-transactional edit log
> ----------------------------------------------------------
>
> Key: HDFS-14557
> URL: https://issues.apache.org/jira/browse/HDFS-14557
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha
> Affects Versions: 2.6.0
> Reporter: Wei-Chiu Chuang
> Assignee: Stephen O'Donnell
> Priority: Major
> Attachments: HDFS-14557.001.patch
>
>
> We saw the following error in JournalNodes a few times before.
> {noformat}
> 2016-09-22 12:44:24,505 WARN org.apache.hadoop.hdfs.server.namenode.FSImage:
> Caught exception after scanning through 0 ops from /data/1/dfs/current/ed
> its_inprogress_0000000000000661942 while determining its valid length.
> Position was 761856
> java.io.IOException: Can't scan a pre-transactional edit log.
> at
> org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$LegacyReader.scanOp(FSEditLogOp.java:4592)
> at
> org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.scanNextOp(EditLogFileInputStream.java:245)
> at
> org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.scanEditLog(EditLogFileInputStream.java:355)
> at
> org.apache.hadoop.hdfs.server.namenode.FileJournalManager$EditLogFile.scanLog(FileJournalManager.java:551)
> at
> org.apache.hadoop.hdfs.qjournal.server.Journal.scanStorageForLatestEdits(Journal.java:193)
> at org.apache.hadoop.hdfs.qjournal.server.Journal.<init>(Journal.java:153)
> at
> org.apache.hadoop.hdfs.qjournal.server.JournalNode.getOrCreateJournal(JournalNode.java:90)
> {noformat}
> The edit file was corrupt, and one possible culprit of this error is a full
> disk. The JournalNode can't recovered and must be resync manually from other
> JournalNodes.
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