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DirectoryPoller java.util.ConcurrentModificationException #128

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Right on start up:
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stModel.handleNewFileEvent(): File added: [Fish 8 Bottom.xml]
13:17:31,228 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Fish 7 Right.xml]
13:17:31,238 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [eh eh eh.xml]
13:17:31,276 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [1234567890123456789012345678901234567
890.xml]
13:17:31,282 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [One Motor.xml]
13:17:31,307 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Testing 2.xml]
13:17:31,312 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Fish 10 Left.xml]
13:17:31,317 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Motor Dead.xml]
13:17:31,338 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Green.xml]
13:17:31,372 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Full Color 2.xml]
13:17:31,377 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [123.xml]
13:17:31,383 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [mouth closed.xml]
13:17:31,389 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Fish 14 Left.xml]
13:17:31,395 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [hello hi.xml]
13:17:31,410 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Testing two lights.xml]
13:17:31,414 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Red.xml]
13:17:31,422 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Two Leds are on and the title of this
 exp.xml]
13:17:31,437 [DirectoryPoller pool-6-thread-1] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Tri-LED Both.xml]
13:17:31,452 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Happy.xml]
13:17:31,467 [DirectoryPoller pool-6-thread-2] DEBUG: AbstractDirectoryPollingLi
stModel.handleNewFileEvent(): File added: [Testing the File Name.xml]
Exception in thread "DirectoryPoller pool-6-thread-2" java.util.ConcurrentModifi
cationException
        at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
        at java.util.HashMap$KeyIterator.next(HashMap.java:828)
        at edu.cmu.ri.createlab.util.DirectoryPoller$DirectoryPollingTimerTask$1
.run(DirectoryPoller.java:250)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExec
utor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:908)
        at java.lang.Thread.run(Thread.java:662)

Original issue reported on code.google.com by jenncros...@gmail.com on 19 Mar 2012 at 5:24

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