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From "Leo Li" <liyilei1...@gmail.com>
Subject Re: [classlib]Self-host of Derby
Date Thu, 12 Oct 2006 06:42:36 GMT
Ok.:)

On 12 Oct 2006 13:38:34 +0700, Egor Pasko <egor.pasko@gmail.com> wrote:
>
> On the 0x200 day of Apache Harmony Leo Li wrote:
> > Hi, Egor:
> >      I have tried to run it on drlvm, but it reported error:
> >
> >        Assertion failed!
> >        Progrma: ...java.exe
> >        File:Object_handles.cpp
> >        Line:99
> >
> >        Expression: NULL==*p || (*p>=vm_heap_base_address() &&
> > *p<vm_heap_ceiling_address())
>
> There is a similar HARMONY-1560 open (ActiveMQ). Can you give a
> comment there (or create a separate JIRA with component "App-Oriented
> Bug Reports"), with easy steps to reproduce?
>
> I'll try on Linux.
>
> > After I debug into it I got
> > (1)
> > Unhandled exception at 0x00711eed (harmonyvm.dll) in java.exe: User
> > breakpoint.
> >
> > (2)The call stack is
> > > harmonyvm.dll!_assert(const char * expr=0x007bd848, const char *
> > filename=0x007bd800, unsigned int lineno=99)  Line 295 C
> >   harmonyvm.dll!GcFrame::add_object(ManagedObject * *
> p=0x0013e9cc)  Line 99
> > + 0x31 C++
> >   harmonyvm.dll!compile_protect_arguments(Method * method=0x0393da50,
> > GcFrame * gc=0x0013e95c)  Line 113 C++
> >   harmonyvm.dll!compile_jit_a_method(Method * method=0x0393da50)  Line
> 824 +
> > 0xd C++
> >   013900dd()
> >   harmonyvm.dll!VM_Statistics::get_vm_stats()  Line 325 + 0x14 C++
> >   harmonyvm.dll!rth_get_interface_vtable(ManagedObject * obj=, Class *
> > iid=)  Line 674 + 0xc C++
> >
> > (3)object_handles.cpp
> >
> > void GcFrame::add_object(ManagedObject** p)
> > {
> >     assert(p);
> >
> > //fails here:
> >     *assert(NULL == *p || (*p >= vm_heap_base_address()
> >         && *p < vm_heap_ceiling_address()));*
> >
> > *
> > *    assert(!hythread_is_suspend_enabled());
> >
> >     ensure_capacity();
> >     nodes->elements[nodes->obj_size+nodes->mp_size] =
> > nodes->elements[nodes->obj_size];
> >     nodes->elements[nodes->obj_size] = (void**)p;
> >     nodes->obj_size++;
> > }
> >
> >
> > On 12 Oct 2006 11:55:27 +0700, Egor Pasko <egor.pasko@gmail.com> wrote:
> > >
> > > On the 0x200 day of Apache Harmony Leo Li wrote:
> > > > Hi, all:
> > > >      I now plan to make the self-host of Derby on Harmony.
> > > >      Is there anyone interested in this topic?
> > > >
> > > >      Here is what I encountered in the process. Hope it will be
> helpful
> > > to
> > > > anybody who is interested in it.
> > > >
> > > >      At first, the testcases even fails on RI both on windows and
> ubuntu
> > > and
> > > > the result are different.???
> > > >      After some struggiling, I have successfully passed the provided
> > > > testcases on RI after I rebuild the source on my machine.
> > > >      But there still remains a problem:
> > > >      The derby team kindly rewrite the launcher for testcases in
> order
> > > to
> > > > treat J9 vm differently if the property java.vm.name starts with
> "j9".
> > > But
> > > > the j9 vm used in Harmony has been customized thus is different from
> > > > traditional j9 vm that is expected by derby. This leads to failure
> to
> > > launch
> > > > tests.
> > > >      I will talk on Derby's mailing list to find a solution.
> > >
> > > Is it real to run Derby on DRLVM without intelligent tweaking of
> > > Derby? I am looking forward at the moment when it is. Please, do not
> > > hesitate to file a bug against DRLVM if you find it performing not
> > > very well with Derby. That would be valuable!
> > >
> > > I tried: 'java org.apache.derby.tools.sysinfo' and it produced a
> > > quite-good output on my DRLVM snapshot, but I have no idea, how to run
> > > the tests :)
> > >
> > > P.S.: Congratulations, all! Today is the 0x200 day of Apache Harmony
> > > (if I count it right:) We made a significant progress since. I love
> > > the project! Let it keep going well! ;oP
> > >
> > > --
> > > Egor Pasko, Intel Managed Runtime Division
> > >
> > >
> > > ---------------------------------------------------------------------
> > > Terms of use : http://incubator.apache.org/harmony/mailing.html
> > > To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> > > For additional commands, e-mail: harmony-dev-help@incubator.apache.org
> > >
> > >
> >
> >
> > --
> > Leo Li
> > China Software Development Lab, IBM
>
> --
> Egor Pasko, Intel Managed Runtime Division
>
>
> ---------------------------------------------------------------------
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>
>


-- 
Leo Li
China Software Development Lab, IBM

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