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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3635) Uncaught exception in DataBlockScanner
Date Mon, 30 Jun 2008 21:02:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-3635:
----------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]
          Status: Resolved  (was: Patch Available)

I've just committed this. Thanks, Nicholas!

> Uncaught exception in DataBlockScanner
> --------------------------------------
>
>                 Key: HADOOP-3635
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3635
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0
>         Environment: 17.0 + H1979-H2159-H3442
>            Reporter: Koji Noguchi
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>             Fix For: 0.18.0
>
>         Attachments: 3635_20080627.patch, 3635_20080630.patch, jstack.H3635.txt
>
>
> I see bunch of datanodes stop verifying local blocks.
> ".out" showed 
> {noformat}
> -rw-r--r--  1 hdfs users 614 Jun 23 10:24 datanode.out
> Exception in thread "org.apache.hadoop.dfs.DataBlockScanner@aadc97" java.lang.NumberFormatException:
For input string: "121195228080date="
>         at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>         at java.lang.Long.parseLong(Long.java:412)
>         at java.lang.Long.valueOf(Long.java:518)
>         at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
>         at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
>         at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Namenode log also showed 
> {noformat}
> 2008-06-23 10:24:12,831 WARN org.apache.hadoop.dfs.DataBlockScanner: RuntimeException
during DataBlockScanner.run() : java.lang.NumberFormatException: For input string: "121195228080date="
>         at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>         at java.lang.Long.parseLong(Long.java:412)
>         at java.lang.Long.valueOf(Long.java:518)
>         at org.apache.hadoop.dfs.DataBlockScanner$LogEntry.parseEntry(DataBlockScanner.java:351)
>         at org.apache.hadoop.dfs.DataBlockScanner.assignInitialVerificationTimes(DataBlockScanner.java:481)
>         at org.apache.hadoop.dfs.DataBlockScanner.run(DataBlockScanner.java:534)
>         at java.lang.Thread.run(Thread.java:619)
> {noformat}
> Datanode was still up and running but no verification.
> Jstack didn't show DataBlockScanner.

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