Accumulo
  1. Accumulo
  2. ACCUMULO-2425

ConcurrentModificationException in master at startup

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 1.5.1
    • Fix Version/s: 1.5.2, 1.6.0
    • Component/s: master
    • Labels:
      None

      Description

      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

      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)
      

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

        Issue Links

          Activity

            People

            • Assignee:
              John Vines
              Reporter:
              John Vines
            • Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development