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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7542) Change XML format to 1.1 to add support for serializing additional characters
Date Sat, 22 Sep 2012 14:51:08 GMT

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

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

    Fix Version/s:     (was: 0.24.0)
    
> Change XML format to 1.1 to add support for serializing additional characters
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-7542
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7542
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>    Affects Versions: 0.20.2
>            Reporter: Suhas Gogate
>            Assignee: Michael Katzenellenbogen
>         Attachments: HADOOP-7542-v1.patch, MAPREDUCE-109.patch, MAPREDUCE-109-v2.patch,
MAPREDUCE-109-v3.patch, MAPREDUCE-109-v4.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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