Dale LaBossiere created EDGENT-256:
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             Summary: keyedTimeBatchWindowTest got a CME
                 Key: EDGENT-256
                 URL: https://issues.apache.org/jira/browse/EDGENT-256
             Project: Edgent
          Issue Type: Test
            Reporter: Dale LaBossiere
            Priority: Minor


The keyedTimeBatchWindowTest got a CME (vintage 2016-09-28 code) in a travis-ci 
build.

Note an earlier PR-172 related to this test: 
https://github.com/apache/incubator-edgent/pull/172

Below, line 425 refers to:
                        assertTrue("Values:" + batch.toString(), 
withinTolerance(1000.0, l.doubleValue(), tolerance));

Perhaps a wait or delay is needed following the sf.cancel(true)?

    [junit] Testcase: 
keyedTimeBatchWindowTest(org.apache.edgent.test.window.WindowTest):       
Caused an ERROR
    [junit] null
    [junit] java.util.ConcurrentModificationException
    [junit]     at 
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966)
    [junit]     at java.util.LinkedList$ListItr.next(LinkedList.java:888)
    [junit]     at 
java.util.AbstractCollection.toString(AbstractCollection.java:461)
    [junit]     at 
org.apache.edgent.test.window.WindowTest.keyedTimeBatchWindowTest(WindowTest.java:425)
    [junit] 



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