OutOfMemory when building BSSV package

I got the below errors while building a BSSV package.  My computer has 4 gig and I'm using JDeveloper 11.1.1.5 and TR 9.1.6.  In the jde.ini, I have the below setting. Do you have any ideas on how to fix this? Thanks

[PACKAGE BUILD]

JavacMaxMemorySize=1536m

JavadocMaxMemorySize=1536m

    [javac] Compiling 4247 source files to C:\E910\PY910\package\PY910UF07\java\wls\classes

    [javac] Since fork is false, ignoring memoryMaximumSize setting.

    [javac]

    [javac]

    [javac] The system is out of resources.

    [javac] Consult the following stack trace for details.

    [javac] java.lang.OutOfMemoryError: Java heap space

    [javac]     at com.sun.tools.javac.tree.TreeMaker.Select(TreeMaker.java:383)