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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2210) resource manager fails to start if core-site.xml contains an xi:include
Date Wed, 25 Jun 2014 06:36:25 GMT
Sangjin Lee created YARN-2210:
---------------------------------

             Summary: resource manager fails to start if core-site.xml contains an xi:include
                 Key: YARN-2210
                 URL: https://issues.apache.org/jira/browse/YARN-2210
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.4.0
            Reporter: Sangjin Lee
            Priority: Critical


The resource manager fails to start if core-site.xml contains an xi:include. This is easily
reproduced with a pseudo-distributed mode. Just add something like this in the core-site.xml:

{noformat}
<configuration xmlns:xi="http://www.w3.org/2001/XInclude"> 
  <xi:include href="mounttable.xml"/>
  ...
{noformat}
and place mounttable.xml in the same directory (doesn't matter what the file is really).

Then try starting the resource manager, and it will fail while handling this include. The
exception encountered:

{noformat}
[Warning] :20:38: Include operation failed, reverting to fallback. Resource error reading
file as XML (href='mounttable.xml'). Reason: /Users/sjlee/hadoop-2.4.0/mounttable.xml (No
such file or directory)
[Fatal Error] :20:38: An include failed, and no fallback element was found.
14/06/24 23:30:16 FATAL conf.Configuration: error parsing conf java.io.BufferedInputStream@7426dbec
org.xml.sax.SAXParseException: An include failed, and no fallback element was found.
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:246)
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)
	at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:124)
	at org.apache.hadoop.conf.Configuration.parse(Configuration.java:2173)
	at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2246)
	at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2195)
	at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2102)
	at org.apache.hadoop.conf.Configuration.get(Configuration.java:851)
	at org.apache.hadoop.conf.Configuration.getTrimmed(Configuration.java:870)
	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1889)
	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1919)
	at org.apache.hadoop.security.Groups.<init>(Groups.java:64)
	at org.apache.hadoop.security.Groups.getUserToGroupsMappingServiceWithLoadedConfiguration(Groups.java:255)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:197)
	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
	at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1038)
{noformat}



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