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= DevFaqNBMPack200
:jbake-type: wiki
:jbake-tags: wiki, devfaq, needsreview
:jbake-status: published

== Using pack200 compression for NBM files

Starting with NetBeans 6.9 we have possibility to significantly decrease NBM file size by using pack200 compression. By default, all modules are now compressed during the build. 
There are several options to override that behaviour :

* Set _use.pack200=false_ in module's project.properties if you want to completely disable using pack200 compression for the module. This can be used e.g. if you create module using 6.9 (and above) harness and need to have ability to install this module in older NetBeans versions (e.g. 6.8).

* Set _pack200.excludes=modules/somecodename.jar_ (supports standard Ant's patterns) to exclude particular module jar files. This can be used to disable compression for some jars in case pack200 cause troubles for there jars after installation.

More info: link:FitnessForNBMs.html[FitnessForNBMs]

=== Apache Migration Information

The content in this page was kindly donated by Oracle Corp. to the
Apache Software Foundation.

This page was exported from link:http://wiki.netbeans.org/DevFaqNBMPack200[http://wiki.netbeans.org/DevFaqNBMPack200] , 
that was last modified by NetBeans user Dlipin 
on 2010-06-15T12:07:10Z.


*NOTE:* This document was automatically converted to the AsciiDoc format on 2018-01-10, and needs to be reviewed.