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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3626) Creating file with invalid path can corrupt edit log
Date Tue, 10 Jul 2012 17:26:35 GMT
Todd Lipcon created HDFS-3626:
---------------------------------

             Summary: Creating file with invalid path can corrupt edit log
                 Key: HDFS-3626
                 URL: https://issues.apache.org/jira/browse/HDFS-3626
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 2.0.0-alpha
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Blocker


Joris Bontje reports the following:

The following command results in a corrupt NN editlog (note the double slash and reading from
stdin):
$ cat /usr/share/dict/words | hadoop fs -put - hdfs://localhost:8020//path/file

After this, restarting the namenode will result into the following fatal exception:
{code}
2012-07-10 06:29:19,910 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Reading /var/lib/hadoop-hdfs/cache/hdfs/dfs/name/current/edits_0000000000000000173-0000000000000000188
expecting start txid #173
2012-07-10 06:29:19,912 ERROR org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader: Encountered
exception on operation MkdirOp [length=0, path=/, timestamp=1341915658216, permissions=cloudera:supergroup:rwxr-xr-x,
opCode=OP_MKDIR, txid=182]
java.lang.ArrayIndexOutOfBoundsException: -1
{code}

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