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Tsz Wo (Nicholas), SZE commented on HADOOP-3509:
------------------------------------------------
Passed ant test and ant test-patch locally.
{noformat}
[exec] +1 @author. The patch does not contain any @author tags.
[exec] -1 tests included. The patch doesn't appear to include any new or modified
tests.
[exec] Please justify why no tests are needed for this patch.
[exec] +1 javadoc. The javadoc tool did not generate any warning messages.
[exec] +1 javac. The applied patch does not increase the total number of javac compiler
warnings.
[exec] +1 findbugs. The patch does not introduce any new Findbugs warnings.
{noformat}
> FSNamesystem.close() throws NullPointerException
> ------------------------------------------------
>
> Key: HADOOP-3509
> URL: https://issues.apache.org/jira/browse/HADOOP-3509
> Project: Hadoop Core
> Issue Type: Bug
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: 3509_20080606.patch, 3509_20080606b.patch, 3509_20080606c.patch
>
>
> During NameNode startup, if there is an exception thrown before FSNamesystem.dir is created,
we will get a NullPointerException.
> {noformat}
> 2008-06-06 12:07:21,203 ERROR org.apache.hadoop.dfs.NameNode: java.lang.NullPointerException
> at org.apache.hadoop.dfs.FSNamesystem.close(FSNamesystem.java:465)
> at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:253)
> at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:148)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:193)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:179)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:822)
> at org.apache.hadoop.dfs.NameNode.main(NameNode.java:831)
> {noformat}
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