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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HARMONY-6013) Problems with null pointer exception catch in server or opt mode for Java applications
Date Fri, 14 Nov 2008 01:52:44 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chunrong Lai reassigned HARMONY-6013:
-------------------------------------

    Assignee: Chunrong Lai

> 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
>            Assignee: Chunrong Lai
>
> 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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