Updating the jar file

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Reducing memory footprint is a very significant priority for us.Changing the jar file while Java is using it is not supported, any more than modifying classes in a class path directory on the fly.For certain classes of program, such as development tools, it is pretty normal to be recreating JARs, and it is hard to be sure that nothing in the VM is holding a Zip File open on a given file.

Current versions of Java for Solaris do mmap jar files.

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pid=34411--------------------------------------------------------------------- To unsubscribe, e-mail: [hidden email] For additional commands, e-mail: [hidden email] Hi, Thanks Keith.

Name: bo T120536 Date: 03/14/2001 java version "1.3.0" Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0) Java Hot Spot(TM) Client VM (build 1.3.0, mixed mode) Occasionnally, when updating a jar file while a java program uses it, said jave program throws spurious Class Not Found errors.

This is somewhat surprising, as similar problems don't occur when for instance updating a shared library (file) while programs use it.

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