svn merge -c 1392466 FIXES: HADOOP-8851. Use -XX:+HeapDumpOnOutOfMemoryError JVM option in the forked tests. Contributed by Ivan A. Veselovsky.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1392521 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -14,6 +14,9 @@ Release 0.23.5 - UNRELEASED
     HADOOP-8789. Tests setLevel(Level.OFF) should be Level.ERROR.
     (Andy Isaacson via eli)
 
+    HADOOP-8851. Use -XX:+HeapDumpOnOutOfMemoryError JVM option in the forked
+    tests. (Ivan A. Veselovsky via atm)
+
   OPTIMIZATIONS
 
     HADOOP-8819. Incorrectly & is used instead of && in some file system 

hadoop-project/pom.xml

@@ -855,7 +855,7 @@
         <configuration>
           <forkMode>always</forkMode>
           <forkedProcessTimeoutInSeconds>900</forkedProcessTimeoutInSeconds>
-          <argLine>-Xmx1024m</argLine>
+          <argLine>-Xmx1024m -XX:+HeapDumpOnOutOfMemoryError</argLine>
           <environmentVariables>
             <LD_LIBRARY_PATH>${env.LD_LIBRARY_PATH}:${project.build.directory}/native/target/usr/local/lib</LD_LIBRARY_PATH>
           </environmentVariables>