Bug#335622: jmp: fails to start

[Benoît Dejean]

Le mardi 25 octobre 2005 à 09:24 +0200, Wolfgang Baer a écrit :
> Hi Benoît,
> 
> Benoît Dejean wrote:
> > Package: jmp
> > Version: 0.47-1
> > Severity: normal
> > 
> > Hi, i'm trying to run jmp on a simple HelloWorld class.
> > 
> > I get the following trace :
> > 
> > kaffe -Xrunjmp Hello
> > jmp/0.47 initializing: ():...
> >     tracing objects: true
> >     tracing methods: true
> >     tracing monitors: true
> >     showing gui: true
> >     dump/reset by signal allowed: false
> > jmp: Enabling localization.
> > jmp: Loaded and registered correctly.
> > Hello World!
> > failed to find thread that ended: 0x1003c018
> > jvm_shut_down.
> > c_class_load: 136
> > c_class_unload: 0
> > c_object_alloc: 1682
> > c_object_move: 0
> > c_object_free: 0
> > c_thread_start: 0
> > c_thread_end: 1
> > c_method_entry: 15950
> > c_method_exit: 15950
> > teardown called, freeing jmp-data..
> 
> Until here everything is OK - thats the place jmp exits
> normally as the program has finished.
> 
> > Internal error: caught an unexpected exception.
> > Please check your CLASSPATH and your installation.
> > java/lang/NullPointerException
> > Abandon
> 
> However the shutdown should not give an internal error in kaffe.
> For me on x86 it works so it seems to be a ppc problem.
> 
> Can you please test if this is reproducible or only happens
> sometimes ?

every time

> > I can see a Gtk Window appear and being filled,
> > then the application immediatly crashes.
> 
> No jmp works as expected - you only see GTK Windows a short time
> because your hello world program already has finished. To profile
> you either need to use a java program which does not exit at once
> or put in your hello world program at the end of the main method
> a System.in.read(); call and the GTK Window will stay for analysis.

you're right. Sorry. Now i get :

failed to get object ((nil)), error: -1
failed to find thread that ended: 0x1003c018


> For more jmp information (this trick is from the website) you should
> have a look at the manual on the website.

Thanks.

I noticed that i was unable to close jmp, the [x] buttons do nothing. Is
that alright ?

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