JDWP error with libthr (-p6)

[Panagiotis Astithas]

gwk at rahn-koltermann.de wrote:
> Hi,
> 
> whenever I try to use Java (JPDA) debugging with jdk14-p6 with libthr, I
> get:
> 
> FATAL ERROR in native method: JDWP "util.c" (Jan 24 2004), line 1194:
> Unexpected error, error code = 51 (JVMDI_ERROR_NOT_MONITOR_OWNER)
> 
> I think this has been reported before and was attributed to gdb being
> incompatible with libthr, but I am most sure gdb is out of the loop
> here. 
> Note I am not debugging the JVM (with gdb), I'm debugging a Java 
> application using another Java application (Eclipse) as the debugger.
> 
> The problem is easy to reproduce.  Just take your favorite hello-world 
> java program, set a breakpoint on some line, and start the (Eclipse) 
> debugger on it.  You will get the above error if you run with libthr but
> 
> all will be well if you run with libc_r.

1.4.2p5 was linked against libc_r, 1.4.2p6 was linked against libkse. 
Are you sure you are not mixing threading subsystems? Do you use a 
global mapping from libc_r and/or libkse to libthr?
-- 
Panagiotis Astithas
Electrical & Computer Engineer, PhD
Network Management Center
National Technical University of Athens, Greece