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From "lohit vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3239) exists() calls logs FileNotFoundException in namenode log
Date Fri, 11 Apr 2008 19:22:05 GMT
exists() calls logs FileNotFoundException in namenode log
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                 Key: HADOOP-3239
                 URL: https://issues.apache.org/jira/browse/HADOOP-3239
             Project: Hadoop Core
          Issue Type: Bug
    Affects Versions: 0.17.0
            Reporter: lohit vijayarenu


exists() was modified to invoke getFileStatus() internally. But getFileStatus() throws FileNotFoundException
for files which does not exists and this is logged in RPC$Server for each exists() call. One
way to get rid of these messages is at the Name Node, catch FileNotFoundException and return
null. In this case, RPC would not log it in namenode log. But at the client end we might have
to check for null on all calls of getFileStatus(). Other option at client end is to construct
FileNotFoundException() when getFileInfo() returns null. 

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