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From "John Vines (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-2425) ConcurrentModificationException in master at startup
Date Mon, 03 Mar 2014 21:42:20 GMT
John Vines created ACCUMULO-2425:

             Summary: ConcurrentModificationException in master at startup
                 Key: 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
        at java.util.Hashtable$
        at org.apache.commons.configuration.AbstractConfiguration.append(
        at org.apache.accumulo.core.conf.Property.getDefaultValue(
        at org.apache.accumulo.core.conf.DefaultConfiguration.iterator(
        at org.apache.accumulo.core.conf.SiteConfiguration.iterator(
        at org.apache.accumulo.server.conf.ZooConfiguration.iterator(
        at org.apache.accumulo.server.Accumulo.init(
        at org.apache.accumulo.server.master.Master.main(
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(
        at java.lang.reflect.Method.invoke(
        at org.apache.accumulo.start.Main$

sitting there, and then it seems the master died. Started it up again and it was fine.

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