QT Jambi Appliaction chrash with "double free" from glibc

Gunnar Sletta gunnar at trolltech.com
Tue Feb 26 09:36:03 CET 2008


> My QT Jambi Application with custom widgets (written in Java) crash  
> with:
> "*** glibc detected *** ../jre/bin/java: double free or corruption
> (fasttop): 0x08a38bb8"
>
> JRE: 1.6.0_04
> Jambi: qtjambi-linux32-gpl-4.3.3_01 (compiled download)
> Linux: kubuntu with libc 2.6.1
>
> No more Information, no Stack-Trace or error logs from the jvm are
> available :-(
>

Hard to say without any further information...

Some things:
How big is this codebase? Could you maybe post it so I can look for  
something obvious or try to reproduce?
Are you doing any explicit dispose() in your code? Could you quickly  
try to downgrade to 1.5 and see if that changes anything. Does your / 
usr/lib or similar contain qt libraries as well? If it does you may  
also have the kase where you are loading the wrong libraries and have  
binary compatibility issues...

-
best regards,
Gunnar



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