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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7542) Setting up ctr-A as custom delimiter for "mapred.textoutputformat.separator"
Date Sat, 17 Sep 2011 13:35:08 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated HADOOP-7542:
----------------------------

    Status: Open  (was: Patch Available)

Michael,

Patch lgtm.

Can you please update to reflect the current trunk paths? Or let me know if you'd like me
to do it on your behalf.

Sorry for the trouble, but mavenization has changed the trunk directory structure.

> Setting up ctr-A as custom delimiter for "mapred.textoutputformat.separator"
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-7542
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7542
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.2, 0.23.0
>            Reporter: Suhas Gogate
>            Assignee: Michael Katzenellenbogen
>         Attachments: MAPREDUCE-109-v2.patch, MAPREDUCE-109-v3.patch, MAPREDUCE-109-v4.patch,
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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