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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1796) [drlvm][jit] The second use of a class that failed to be initialized does not throw NoClassDefFoundError in opt mode
Date Fri, 13 Oct 2006 06:48:36 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1796?page=all ]

George Timoshenko updated HARMONY-1796:
---------------------------------------

    Attachment: HARMONY-1796.diff

here is the fix

> [drlvm][jit] The second use of a class that failed to be initialized does not throw NoClassDefFoundError
in opt mode
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1796
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1796
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Windows XP (IA-32), Suse linux  9 (IA-32)
>            Reporter: Irina Arkhipets
>         Attachments: HARMONY-1796.diff, test.java
>
>
> The second use of a class that failed to be initialized does not throw NoClassDefFoundError
as expected in opt mode.
> This bug is not reproducible with interpreter, as well as in jet and default modes.
> I am able to reproduce this bug both on Windows IA-32 and Linux IA-32 platforms.
> Please, compile and run the following test example to reproduce the failure:
> --------- test.java ---------
> public class test {
> 	public static void main(String [] args) {
> 		try {
> 			System.out.println(MyClass.val);
> 		} catch (ExceptionInInitializerError e) {}
> 		
> 		try {
> 			new MyClass();
> 		} catch (NoClassDefFoundError e) {
> 			System.out.println("The test PASSED!");
> 			System.exit(-1);
> 		}
> 		System.out.println("The test FAILED!");
> 	}
> }
> class MyClass {
> 	static int val;
> 	static {
> 		val = 0 / 0;
> 	}
> 	public MyClass() {}
> }
> -------------------------------
> It is expected that the test throws ExceptionInInitializerError exception (because of
division by zero in MyClass class static initializer) and then any attempt to call MyClass
methods will cause NoClassDefFoundError.
> However, clear opt does not behave in this way and the test fails.
> Sample output is:
> ...
> $> $JAVA_PATH test
> The test PASSED!
> $> $JAVA_PATH -Xem:opt test
> The test FAILED!
> ...

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