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Date: Mon, 2 Mar 2015 22:52:05 +0000 (UTC)
From: "Jing Zhao (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
Message-ID: <JIRA.12778890.1425336673000.56873.1425336725735@Atlassian.JIRA>
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Subject: [jira] [Created] (HDFS-7871) NameNodeEditLogRoller can keep
 printing "Swallowing exception" message
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Jing Zhao created HDFS-7871:
-------------------------------

             Summary: NameNodeEditLogRoller can keep printing "Swallowing exception" message
                 Key: HDFS-7871
                 URL: https://issues.apache.org/jira/browse/HDFS-7871
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.3.0
            Reporter: Jing Zhao
            Assignee: Jing Zhao
            Priority: Critical


In one of our customer's cluster, we saw the NameNode kept printing out the following error msg and thus got stuck for several minutes:
{code}
ERROR org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Swallowing exception in NameNodeEditLogRoller:
java.lang.IllegalStateException: Bad state: BETWEEN_LOG_SEGMENTS
        at com.google.common.base.Preconditions.checkState(Preconditions.java:172)
        at org.apache.hadoop.hdfs.server.namenode.FSEditLog.getCurSegmentTxId(FSEditLog.java:493)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeEditLogRoller.run(FSNamesystem.java:4358)
        at java.lang.Thread.run(Thread.java:745)
{code}


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