[Charlug] 32 Bit Java on 64 Bit Linux

Peter Senft peter.senft at hpss.de
Sat Feb 6 18:56:04 EST 2010


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Hi @all!

I have a strange issue with 32 Bit SUN JDK (1.4.2) runnning on a 64 Bit
Linux (Debian Lenny).

The runtime starts fine and executes everything as expected. *But* it
tries to read /tmp in between (not triggered by our software! This is
the runtime!) and stalls for about 1.5-2 minutes. This happens every
couple of minutes. Does anybody hear of that phenomenon?

I converted already most parts of the application over and it's running
fine in 64 Bit Java (SUN 1.6). But there is one part that I can't move
so easily. It makes JNI calls to a 32 Bit library. Is there a way to use
a 32 Bit library in a 64 Bit JDK?

cu hps

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