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From "liyunzhang_intel (JIRA)" <>
Subject [jira] [Created] (HIVE-16675) Fix ConcurrentModificationException in SparkClientImpl#startDriver
Date Tue, 16 May 2017 08:28:04 GMT
liyunzhang_intel created HIVE-16675:

             Summary: Fix ConcurrentModificationException in SparkClientImpl#startDriver
                 Key: HIVE-16675
             Project: Hive
          Issue Type: Bug
            Reporter: liyunzhang_intel
            Assignee: liyunzhang_intel

the exception is
              2017-05-16T00:29:37,480  WARN [Driver] client.SparkClientImpl: Exception while
waiting for child process.
              3926 java.util.ConcurrentModificationException
              3927         at java.util.ArrayList$Itr.checkForComodification(
              3928         at java.util.ArrayList$ ~[?:1.8.0_91]
              3929         at org.apache.hive.spark.client.SparkClientImpl$
              3930         at [?:1.8.0_91]

It seems that {{}} is read while it is written. It is better
to change {{}} from ArrayList to CopyOnWriteArrayList to
avoid the exception.

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