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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3448) Add some more hints of the problem when datanode and namenode don't match
Date Tue, 27 May 2008 16:26:02 GMT
Add some more hints of the problem when datanode and namenode don't match
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                 Key: HADOOP-3448
                 URL: https://issues.apache.org/jira/browse/HADOOP-3448
             Project: Hadoop Core
          Issue Type: Improvement
          Components: documentation
    Affects Versions: 0.18.0
            Reporter: Steve Loughran
            Priority: Minor
         Attachments: hadoop-3448.patch

When there is a mismatch between name and data mode, and you are running with -ea set, then
Datanode.handshake() bails out with an assertion  "Data-node and name-node layout versions
must be the same.";

However, this message doesnt actually say which version numbers are at fault. A better error
message would include the version information, so pointing the finger of blame would be easier.

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