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https://issues.apache.org/jira/browse/HADOOP-2538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Bieniosek updated HADOOP-2538:
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Status: Patch Available (was: Open)
> NPE in TaskLog.java
> -------------------
>
> Key: HADOOP-2538
> URL: https://issues.apache.org/jira/browse/HADOOP-2538
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.15.0
> Reporter: Michael Bieniosek
> Attachments: hadoop-2538.patch
>
>
> In the tasktracker web ui, if I go to
> /tasklog?taskid=task_200801020752_0383_m_000000_0&all=true&plaintext=true
> which corresponds to a short log (<4k), I get a 500 in the web ui, and this
> NPE in the tasktracker log:
> 2008-01-07 21:02:13,935 WARN /:
> /tasklog?taskid=task_200801020752_0383_m_000000_
> 0&all=true&plaintext=true:
> java.lang.NullPointerException
> at org.apache.hadoop.mapred.TaskLog.getTaskLogFile(TaskLog.java:48)
> at org.apache.hadoop.mapred.TaskLog$Reader.<init>(TaskLog.java:124)
> at
> org.apache.hadoop.mapred.TaskLogServlet.printTaskLog(TaskLogServlet.j
> ava:44)
> at
> org.apache.hadoop.mapred.TaskLogServlet.doGet(TaskLogServlet.java:134
> )
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