Illya,
By "incomplete class unloading support", you are not refering to gc
initiated class unloading, am I right? You mean that some class
structures like method_sig are being leaked due to abnormal shutdown?
Rana
On Oct 31, 2007 6:25 AM, Ilya Leviev <[EMAIL PROTECTED]> wrote:
> Hi,
> Recently I have profiled EIOffice on Harmony using BoundsChecker that
> detected memory leaks related to incomplete class unloading support,
> namely, leaking Method_Signature structures. Here is a call stack that
> shows a pass that should result in Method_Signature disposing. However
> it doesn't work as expected because vm_destroy() function terminates
> abnormally during executing jthread_wait_for_all_nondaemon_threads();
>
> Call stack:
>
> main.c: gpProtectedMain()->
> main.c: invocation()->
> main.c: DestroyJavaVM()->
> vm_destroy(){
> jthread_wait_for_all_nondaemon_threads();
> …
> }
> Global_Env::~Global_Env()->
> ClassLoader::~ClassLoader()->
> ClassLoader::ClassClearInternals()->
> Class::clear_internals()->
>
> Method::MethodClearInternals()->delete _method_sig
>
>
> This issue results in leaking such structures as Global_Env,
> ClassLoader, Method_Signature and others. This problem reproduced on
> the simplest EIOffice scenario (start and then exit).
>
> Also the issue may cause the problem described in
> https://issues.apache.org/jira/browse/HARMONY-5018
>
> Best regards,
> Ilya Leviev
> ESSD, Intel
>