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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-109) Setting up ctr-A as custom delimiter for "mapred.textoutputformat.separator"
Date Wed, 15 Jun 2011 20:54:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050021#comment-13050021
] 

Hadoop QA commented on MAPREDUCE-109:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12482712/MAPREDUCE-109.patch
  against trunk revision 1136000.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/398//console

This message is automatically generated.

> Setting up ctr-A as custom delimiter for "mapred.textoutputformat.separator"
> ----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-109
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-109
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.2, 0.23.0
>            Reporter: Suhas Gogate
>         Attachments: MAPREDUCE-109.patch
>
>
> Feature added by this Jira has a problem while setting up some of the invalid xml characters
e.g. ctrl-A e.g. mapred.textoutputformat.separator = "\u0001"
> e,g,
> String delim = "\u0001";
> Conf.set("mapred.textoutputformat.separator", delim);
> Job client serializes the jobconf with mapred.textoutputformat.separator set to "\u0001"
(ctrl-A) and problem happens when it is de-serialized (read back) by job tracker, where it
encounters invalid xml character.
> The test for this feature public : testFormatWithCustomSeparator() does not serialize
the jobconf after adding the separator as ctrl-A and hence does not detect the specific problem.
> Here is an exception:
> 08/12/06 01:40:50 INFO mapred.FileInputFormat: Total input paths to process : 1
> org.apache.hadoop.ipc.RemoteException: java.io.IOException:
> java.lang.RuntimeException: org.xml.sax.SAXParseException: Character reference "&#1"
is an invalid XML
> character.
> at
> org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:961)
> at
> org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:864)
> at
> org.apache.hadoop.conf.Configuration.getProps(Configuration.java:832)
> at org.apache.hadoop.conf.Configuration.get(Configuration.java:291)
> at
> org.apache.hadoop.mapred.JobConf.getJobPriority(JobConf.java:1163)
> at
> org.apache.hadoop.mapred.JobInProgress.<init>(JobInProgress.java:179)
> at
> org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:1783)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:452)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888)
> at org.apache.hadoop.ipc.Client.call(Client.java:715)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216)
> at org.apache.hadoop.mapred.$Proxy1.submitJob(Unknown Source)
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:788)
> at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1026)
> at

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