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https://issues.apache.org/jira/browse/HADOOP-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15446018#comment-15446018
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Rushabh S Shah commented on HADOOP-13555:
-----------------------------------------

I think this is related to HADOOP-13500 and TEZ-3413

> ConcurrentModificationException in Configuration#iterator
> ---------------------------------------------------------
>
>                 Key: HADOOP-13555
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13555
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Yesha Vora
>            Assignee: Rushabh S Shah
>         Attachments: hadoop-13555.zip
>
>
> {code}
> 2016-08-23 12:51:16,450 FATAL resourcemanager.ResourceManager 
> (ResourceManager.java:main(1232)) - Error starting ResourceManager
> java.util.ConcurrentModificationException
>         at java.util.Hashtable$Enumerator.next(Hashtable.java:1167)
>         at 
> org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2464)
>         at 
> org.apache.hadoop.conf.Configuration.getPropsWithPrefix(Configuration.java:2483)
>         at 
> org.apache.hadoop.yarn.webapp.WebApps$Builder.getConfigParameters(WebApps.java:362)
> {code}



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