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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12463) Ozone: Fix TestXceiverClientMetrics#testMetrics
Date Fri, 15 Sep 2017 06:17:00 GMT
Weiwei Yang created HDFS-12463:

             Summary: Ozone: Fix TestXceiverClientMetrics#testMetrics 
                 Key: HDFS-12463
                 URL: https://issues.apache.org/jira/browse/HDFS-12463
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
    Affects Versions: HDFS-7240
            Reporter: Weiwei Yang
            Priority: Minor

{{TestXceiverClientMetrics#testMetrics}} is failing with following error in recent jenkins

java.util.ConcurrentModificationException: null
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at org.apache.hadoop.ozone.scm.TestXceiverClientMetrics.lambda$testMetrics$2(TestXceiverClientMetrics.java:134)

looks like a non thread safe list caused this race condition in the test case.

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