Re: Can we use Jigs

[Kotesh]

the following runtime error has been generated after running the JavaTest example program of JIGS..

 

-------------------
Compiled to test JIGS version 1.5.1
Now starting the Java Virtual Machine...
Check if the virtual machine is running...yes
Getting the (JNIEnv *) of current thread...ok
Initializing JIGS...ok
Now asking for the java.lang.System class pointer...Got java.lang.System
Now asking for the java.lang.BogusSystem class pointer...Not found (and not crashed!) ==> test passed
Asking for the selector of getProperty:...Got getProperty:
Asking if java.lang.System responds to getProperty:...yes
Asking for the class method implementation...ok
Calling it to get some system properties:
 java.vm.version == 1.2.2
 java.vendor == Sun Microsystems Inc.
 java.vendor.url == http://www.sun.com/

 

SIGSEGV 11 segmentation violation
    si_signo [11]: SEGV
    si_errno [0]:
    si_code [1]: SEGV_MAPERR [addr: 0x0]

 

 stackpointer=FFBEE028
"Finalizer" (TID:0x192a98, sys_thread_t:0x1929d0, state:CW, thread_t: t@6, threadID:0xfe891d78, stack_bottom:0xfe892000, stack_size:0x20000) prio=8

 

[1] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:146)
[2] java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:168)
[3] java.lang.ref.Finalizer$FinalizerWorker$FinalizerThread.run(Finalizer.java:124)
-------------------
"Reference Handler" (TID:0x1932a0, sys_thread_t:0x1931d8, state:CW, thread_t: t@5, threadID:0xfe8d1d78, stack_bottom:0xfe8d2000, stack_size:0x20000) prio=10

 

[1] java.lang.Object.wait(Object.java:424)
[2] java.lang.ref.Reference$ReferenceHandler.run(Reference.java:130)
-------------------
"Signal dispatcher" (TID:0x16e9b8, sys_thread_t:0x16e8f0, state:MW, thread_t: t@4, threadID:0xfe901d78, stack_bottom:0xfe902000, stack_size:0x20000) prio=10

 

-------------------
"main" (TID:0x7b620, sys_thread_t:0x7b558, state:R, thread_t: t@1, threadID:0x24a70, stack_bottom:0xffbf0000, stack_size:0x800000) prio=5 *current thread*

 

Any suggestion to overcome the problem is appreciated..

 

thanks

kotesh

 

 

 

 

 

 

----- Original Message -----

From: "Nicola Pero" <n.pero@mi.flashnet.it>

To: "Gregory Casamento" <greg_casamento@yahoo.com>

Cc: "Discuss-Gnustep (E-mail)" <discuss-gnustep@gnu.org>

Sent: Tuesday, September 11, 2001 7:06 AM

Subject: Re: Can we use Jigs

> 
> I am sure you misunderstood Kotesh.
> 
> Nobody 
is talking about replacing the GNUstep DO code in the
> gnustep-base 
library with anything else, it's an idea which makes no
> sense.  
Kotesh was talking about an alternative distributed
> communication 
mechanism to use in his own app.
> 
>     Gregory> 
I believe that CORBA is a better solution to this problem
> 
    Gregory> because it is: Pros: 1) Language independent: 
CORBA has
>     Gregory> bindings for C, C++, and 
Java.  2) A more widely accepted
>     Gregory> 
standard than either JMS or RMI and, as such, would allow
> 
    Gregory> communication to non-java and non-GNU-DO 
applications.
> 
>     Gregory> Cons: 1) May not 
be as flexible as DO, but I can't speak
>     Gregory> 
to this since I don't know CORBA.  What does tying core
> 
    Gregory> to jigs buy us?  Pros: 1) Allows us to 
communicate with
>     Gregory> Java Programs as well as 
our stuff via RMI/JMS (etc.)
> 
>     Gregory> 
Cons: 1) It would make JIGS mandatory in order to even
> 
    Gregory> build the core libraries, unless, of course, it 
is
>     Gregory> conditionally compiled in if JIGS is 
present.  2) Code
>     Gregory> would no longer be 
"pure" Objective-C.
>   
> 
> 
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