Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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## pass-by-reference

The `pass-by-reference` element in the `sun-ejb-jar.xml` file allows you to specify the parameter passing semantics for colocated remote EJB invocations. This is an opportunity to improve performance. However, use of this feature results in non-portable applications. See pass-by-reference.

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