If you just want to exchange data structures, you might take a look at JSON and YAML. There are pretty good Perl bindings for both, and I suspect that there are also Java libraries for both.

COBRA CORBA is usually used when you need more features, for example callbacks into the remote system.

Update: fixed name of that protocol, Arunbear++

In reply to Re: Perl and Java Objects by moritz
in thread Perl and Java Objects by ptoulis

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