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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6774) Namenode is not able to recover from disk full condition
Date Wed, 19 May 2010 18:53:55 GMT
Namenode is not able to recover from disk full condition
--------------------------------------------------------

                 Key: HADOOP-6774
                 URL: https://issues.apache.org/jira/browse/HADOOP-6774
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.20.2
         Environment: Linux sjc9-flash-grid00.ciq.com 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30
EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
            Reporter: Ted Yu


We ran an internal flow which resulted in:
Exception in thread "main" java.lang.RuntimeException: initialization of flow executor failed

After that we freed disk space on the Namenode server, but restarting Namenode failed.
Here is from Namenode log:

2010-05-19 17:15:15,514 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up
at: sjc1-qa-certiq1.sjc1.ciq.com/10.201.8.247:9000
2010-05-19 17:15:15,516 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics
with processName=NameNode, sessionId=null
2010-05-19 17:15:15,518 INFO org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics:
Initializing NameNodeMeterics using context object:org.apache.hadoop.metrics.spi.NullContext
2010-05-19 17:15:15,579 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: fsOwner=hadoop,hadoop
2010-05-19 17:15:15,579 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup
2010-05-19 17:15:15,579 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: isPermissionEnabled=true
2010-05-19 17:15:15,588 INFO org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics:
Initializing FSNamesystemMetrics using context object:org.apache.hadoop.metrics.spi.NullContext
2010-05-19 17:15:15,590 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered
FSNamesystemStatusMBean
2010-05-19 17:15:15,637 INFO org.apache.hadoop.hdfs.server.common.Storage: Number of files
= 1874
2010-05-19 17:15:16,202 INFO org.apache.hadoop.hdfs.server.common.Storage: Number of files
under construction = 2
2010-05-19 17:15:16,204 INFO org.apache.hadoop.hdfs.server.common.Storage: Image file of size
259450 loaded in 0 seconds.
2010-05-19 17:15:16,599 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: java.lang.NumberFormatException:
For input string: ""
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
    at java.lang.Long.parseLong(Long.java:431)
    at java.lang.Long.parseLong(Long.java:468)
    at org.apache.hadoop.hdfs.server.namenode.FSEditLog.readLong(FSEditLog.java:1273)
    at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:656)
    at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:999)
    at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:812)
    at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:364)
    at org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:88)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:312)
    at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:293)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:224)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:306)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1004)
    at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1013)

2010-05-19 17:15:16,599 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:

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