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Posted to common-issues@hadoop.apache.org by "Larry McCay (JIRA)" <ji...@apache.org> on 2016/08/28 16:44:20 UTC
[jira] [Updated] (HADOOP-13555) ConcurrentModificationException in
Configuration#iterator
[ https://issues.apache.org/jira/browse/HADOOP-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Larry McCay updated HADOOP-13555:
---------------------------------
Attachment: hadoop-13555.zip
Attaching simple test to reproduce the problem with a common pattern of getting all the properties that begin with a given prefix. Unzip and run with:
{code}
mvn clean install
{code}
> 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
> 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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