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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (ACCUMULO-2425) ConcurrentModificationException in master at startup
Date Tue, 04 Mar 2014 15:45:23 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13919534#comment-13919534
] 

Eric Newton edited comment on ACCUMULO-2425 at 3/4/14 3:45 PM:
---------------------------------------------------------------

These line numbers do not seem to correspond to the 1.5.1 release.  In particular, there is
no call to AbstractConfiguration.append on line 401 of Property.java.  Did you have outstanding
modifications?



was (Author: ecn):
These line numbers do not seem to correspond to the 1.5.0 release.  In particular, there is
no call to AbstractConfiguration.append on line 401 of Property.java.  Did you have outstanding
modifications?


> ConcurrentModificationException in master at startup
> ----------------------------------------------------
>
>                 Key: ACCUMULO-2425
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2425
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.5.1
>            Reporter: John Vines
>
> I had brought down my accumulo services hard, immediately ran start-here to bring them
up again and the master didn't seem to start. Checked the logs and I had 
> {code}2014-03-03 16:38:05,336 [master.Master] ERROR: Unexpected exception, exiting
> java.util.ConcurrentModificationException
>         at java.util.Hashtable$Enumerator.next(Hashtable.java:1048)
>         at org.apache.commons.configuration.AbstractConfiguration.append(AbstractConfiguration.java:1239)
>         at org.apache.accumulo.core.conf.Property.getDefaultValue(Property.java:401)
>         at org.apache.accumulo.core.conf.DefaultConfiguration.iterator(DefaultConfiguration.java:54)
>         at org.apache.accumulo.core.conf.SiteConfiguration.iterator(SiteConfiguration.java:77)
>         at org.apache.accumulo.server.conf.ZooConfiguration.iterator(ZooConfiguration.java:127)
>         at org.apache.accumulo.server.Accumulo.init(Accumulo.java:125)
>         at org.apache.accumulo.server.master.Master.main(Master.java:2303)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:622)
>         at org.apache.accumulo.start.Main$1.run(Main.java:103)
>         at java.lang.Thread.run(Thread.java:701)
> {code}
> sitting there, and then it seems the master died. Started it up again and it was fine.



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