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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2014/04/24 01:16:17 UTC
[jira] [Commented] (TEZ-1082) reading errorstream in Fetcher throws
NPE (when fetcher timesout to establish a connection)
[ https://issues.apache.org/jira/browse/TEZ-1082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13979070#comment-13979070 ]
Siddharth Seth commented on TEZ-1082:
-------------------------------------
+1. Looks good.
> reading errorstream in Fetcher throws NPE (when fetcher timesout to establish a connection)
> -------------------------------------------------------------------------------------------
>
> Key: TEZ-1082
> URL: https://issues.apache.org/jira/browse/TEZ-1082
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-1082-v1.patch
>
>
> In case of connection timeout, fetcher throws NPE in reading the error stream.
> >>
> Caused by: java.lang.NullPointerException
> at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:78)
> at org.apache.tez.runtime.library.common.shuffle.impl.Fetcher.readErrorStream(Fetcher.java:436)
> at org.apache.tez.runtime.library.common.shuffle.impl.Fetcher.copyFromHost(Fetcher.java:364)
> at org.apache.tez.runtime.library.common.shuffle.impl.Fetcher.run(Fetcher.java:203)
> >>
> It should be checking for "connectSucceeded" flag instead of "connection != null"
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