[jira] [Created] (SPARK-16652) JVM crash from unsafe memory access for Dataset of class with List[Long]

["Daniel Barclay (JIRA)" <ji...@apache.org>]

Daniel Barclay created SPARK-16652:
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             Summary: JVM crash from unsafe memory access for Dataset of class with List[Long]
                 Key: SPARK-16652
                 URL: https://issues.apache.org/jira/browse/SPARK-16652
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.6.2, 1.6.1
         Environment: Scala 2.10.<various>
JDK: "Java HotSpot(TM) 64-Bit Server VM (build 25.74-b02, mixed mode)"
MacOs 10.11.2
            Reporter: Daniel Barclay


Generating and writing out a {{Dataset}} of a class that has a {{List}} (or at least if it's {{List\[Long]}}) member and a {{String}} member causes a JVM crash.

The crash seems to be related to unsafe memory access especially because earlier code (before I got it reduced to the current bug test case)  reported "{{java.lang.InternalError: a fault occurred in a recent unsafe memory access operation in compiled Java code}}".





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