Why does xalan.jar crash eclipse when deploying android app

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http://stackoverflow.com – I am developing an android app on Eclipse Juno running on Windows 7 64bit (8GB ram) So I have my android project and I place some jar files in the /lib folder so I can use them in my app. This is fine, up until I add the xalan.jar file which is needed as a dependency for an apache xml parser. When I try to run/deploy my app from eclipse so it can run on my phone, I start seeing compiler warnings in the console complaining about classes from xalan.jar and then Eclipse crashes with a out-of-memory heap space exception. !ENTRY com.android.ide.eclipse.adt 4 0 2013-01-20 21:04:37.427 !MESSAGE Una (HowTos)