OutOfMemory when building BSSV package

[Andrew2009]

I got the below error while building bssv package. I'm using TR 9.1.4 on Windows server. Do you have any idea? Thanks

[javac] Compiling 5177 source files to C:\E910\DV910\package\DV910UK13\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)
[javac] at com.sun.tools.javac.parser.Parser.term3(Parser.java:1029)
[javac] at com.sun.tools.javac.parser.Parser.term2(Parser.java:686)
[javac] at com.sun.tools.javac.parser.Parser.term1(Parser.java:657)
[javac] at com.sun.tools.javac.parser.Parser.term(Parser.java:613)
[javac] at com.sun.tools.javac.parser.Parser.term(Parser.java:595)
[javac] at com.sun.tools.javac.parser.Parser.type(Parser.java:589)
[javac] at com.sun.tools.javac.parser.Parser.classOrInterfaceBodyDeclaration(Parser.java:2469)
[javac] at com.sun.tools.javac.parser.Parser.classOrInterfaceBody(Parser.java:2408)
[javac] at com.sun.tools.javac.parser.Parser.classDeclaration(Parser.java:2253)