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https://issues.apache.org/jira/browse/HDFS-14557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16901206#comment-16901206
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Hudson commented on HDFS-14557:
-------------------------------
FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #17046 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17046/])
HDFS-14557. JournalNode error: Can't scan a pre-transactional edit log.
(weichiu: rev 35e0a01d7bc3149bf8b941fd85d7807d9906d27b)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournal.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestEditLogFileInputStream.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileInputStream.java
> 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
> Fix For: 3.3.0, 3.2.1
>
> Attachments: HDFS-14557.001.patch, HDFS-14557.002.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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