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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6013) Problems with null pointer exception catch in server or opt mode for Java applications
Date Tue, 11 Nov 2008 12:38:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646539#action_12646539
] 

Tim Ellison commented on HARMONY-6013:
--------------------------------------

I don't see the same failure using r711744 on Windows XP...

$> java -showversion Btest5710 

Apache Harmony Launcher : (c) Copyright 1991, 2008 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0" 
pre-alpha : not complete or compatible
svn = r711744, (Nov 11 2008), Windows/ia32/msvc 1310, release build
http://harmony.apache.org
Start Btest5710 test...
PASSED: java.lang.NullPointerException


Which build are you using?


> Problems with null pointer exception catch in server or opt mode for Java applications

> ---------------------------------------------------------------------------------------
>
>                 Key: HARMONY-6013
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6013
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>    Affects Versions: 5.0M7
>         Environment: Windows XP OS, Intel Core(TM)2 Duo CPU
>            Reporter: Zhiguo Ge
>
> Harmony has problems with null pointer exception catch under server or opt mode for Java
applications. 
> The following shows a test example:
> public class Btest5710 {   
>     
>     Object obj;
>     public static void main(String [] args) {
>         (new Btest5710()).test();
>     }
>     public void test() {
>         System.err.println("Start Btest5710 test..."); 
>         try {
>             sync();
>             System.err.println("FAILED: NullPointerException was expected");
>             System.exit(-99);
>         } catch (NullPointerException e) { 
>             System.err.println("PASSED: " + e);
>         } catch (Throwable e) { 
>             System.err.println("Unexpected exception was thrown:");
>             e.printStackTrace();
>             System.err.println("FAILED");
>             System.exit(-99);
>         }
>     }
>     void sync() {
>         synchronized (obj) {
>             obj = new Object();
>         }
>     }
> }
> When running in server or opt mode,  error will happen and the following is the error
message. 
> Signal reported: GENERAL_PROTECTION_FAULT
> Registers:
>     EAX: 0x0003f700, EBX: 0x208667ac, ECX: 0x00000004, EDX: 0x00000003
>     ESI: 0x02fed15c, EDI: 0x0013f8c0, ESP: 0x0013f6f8, EBP: 0x0086e740
>     EIP: 0x00820b8f

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