Lock.java is failing with 1.4.2_10-b01 and passing with 1.4.2_09-b05

Testcase Location: /net/urts071.india/export6/testSuites/Regression/workspace_142/test/java/nio/channels/FileChannel/Lock.java


1. How to Reproduce with 1.4.2_10-b01:
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1. Install the jdk and follow following steps

  <Local Jdk Location>/j2sdk1.4.2_10/bin/java -version
  
java version "1.4.2_10-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_10-ea-b01)
Java HotSpot(TM) Client VM (build 1.4.2_10-ea-b01, mixed mode)

2. Copy Lock.java from Regression testbase location to local machine.

3. Compile the Lock.java
   
   <local jdk Location>/j2sdk1.4.2_10/bin/javac Lock.java

4. Run the Lock.java

   <Local jdk Location>/j2sdk1.4.2_10/bin/java Lock

ERROR:
=====
   Exception in thread "main" java.lang.RuntimeException: Failed: bad: Failed to grab adjacent lock
        at Lock.test1(Lock.java:81)
        at Lock.main(Lock.java:29)

2. How to Reproduce with 1.4.2_09-b05:
--------------------------------------

1. Install the jdk and follow following steps

  <Local Jdk Location>/j2sdk1.4.2_09/bin/java -version

java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-b05)
Java HotSpot(TM) Client VM (build 1.4.2_09-b05, mixed mode)

2. Copy Lock.java from Regression testbase location to local machine.

3. Compile the Lock.java

   <Local jdk Location>/j2sdk1.4.2_09/bin/javac Lock.java

4. Run the Lock.java

   <Local jdk Location>/j2sdk1.4.2_09/bin/java Lock

  Result:
 =========
   No Exception