harmony-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Pavel Pervov" <pmcfi...@gmail.com>
Subject Re: [VMCore] assertation error in vm_shutdown_stop_java_threads()
Date Tue, 25 Mar 2008 16:22:55 GMT
It looks like you have invalid java/lang/ThreadGroup class in boot
class path. Please, check that correct kernel.jar is available at
jdk/jre/bin/default/kernel.jar.

Pavel.

On 3/25/08, tingpeng wu <wutingpeng2@gmail.com> wrote:
> Thanks, Alexei. The reason is (NULL !=
> vm_thread->thread_exception.exc_object). Since we wasn't  familar with codes
> here, maybe there are too many reasons which can cause exception. I wonder
> if  we can infer something  from "lock" and
>  "Ljava/lang/ThreadGroup$ThreadGroupLock" here, this way we can find the
> reason with some direction.
>
> Regards,
> tingpeng
>
> 2008/3/25, Alexei Fedotov <alexei.fedotov@gmail.com>:
> >
> > Hello, Ting Peng,
> >
> > You may find useful looking into jni/jni_field.cpp:87 [1]. The source
> > for GetStaticFieldID shows that zero is returned when an exception is
> > raised, field lookup failed, or the field is not static.
> >
> > Thanks.
> >
> > [1]
> > http://svn.apache.org/viewvc/harmony/enhanced/drlvm/trunk/vm/vmcore/src/jni/jni_field.cpp?view=markup
> >
> > On Tue, Mar 25, 2008 at 5:29 PM, tingpeng wu <wutingpeng2@gmail.com>
> > wrote:
> > > Hi, all,
> > >  I have a question which needs your help. Method
> > >  vm_shutdown_stop_java_threads() has following statements:
> > >
> > >     *jfieldID lock_field_id = jni_env->GetStaticFieldID(class_handle,
> > >  "lock", "Ljava/lang/ThreadGroup$ThreadGroupLock;");
> > >     assert(lock_field_id);*
> > >  **
> > >  Anyone can tell me the role of assertation statement here. If the
> > >  assertation error happens, what is the possible reason. Thanks.
> > >
> > >  Regards,
> > >  tingpeng
> > >
> >
> >
> >
> > --
> > With best regards,
> > Alexei
> >
>


-- 
Pavel Pervov,
Intel Enterprise Solutions Software Division

Mime
View raw message