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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3820) [drlvm][jvmti][thread] JVMTI reports wrong threads for main thread group
Date Fri, 25 May 2007 14:16:17 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12499093
] 

Gregory Shimansky commented on HARMONY-3820:
--------------------------------------------

Ivan, could you please check that the bug is fixed for you? The patch for HARMONY-3909 has
been applied and it should fix the bug with group thread group for finalizers.

> [drlvm][jvmti][thread] JVMTI reports wrong threads for main thread group
> ------------------------------------------------------------------------
>
>                 Key: HARMONY-3820
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3820
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Windows/x86, harmony-jdk-r535765 
>            Reporter: Ivan Popov
>         Assigned To: Gregory Shimansky
>
> After switching to GCv5 JVMTI reports wrong threads for the "main" thread group. There
ara a lot of "finalizer" threads and no "main" thread. 
> To reproduce this run HelloWorld in Eclipse debugger, stop at breakpoint, turn on showing
threads groups in the main menu of Debug view and see threads list.
> With GCv5:
> HelloWorld [Java Application]	
> 	HelloWorld at localhost:1067	
> 		Thread Group [system]	
> 			Thread Group [main]	
> 				Daemon Thread [ref handler] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)	
> 				Daemon Thread [finalizer] (Running)
> With GCv41 (using -XX:vm.dlls=gc_cc.dll):
> HelloWorld [Java Application]	
> 	HelloWorld at localhost:1045	
> 		Thread Group [system]	
> 			Daemon System Thread [FinalizerThread] (Running)	
> 			Thread Group [main]	
> 				Thread [main] (Suspended (breakpoint at line 5 in HelloWorld))	
> 					HelloWorld.main(String[]) line: 5

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