Ok I've sussed how to fix it - but not the reason for it. I had some .jar files in the WEB-INF/lib directory - after removing xerces.jar - it works fine. > Syntax error in sourcejava.lang.InternalError: jzentry == 0 > at java.util.zip.ZipFile$2.nextElement(ZipFile.java:297) > at sun.tools.java.ClassPath.getFiles(ClassPath.java:183) > at sun.tools.java.Package.exists(Package.java:94) > at sun.tools.java.Imports.resolve(Imports.java:146) > at sun.tools.javac.SourceClass.basicCheck(SourceClass.java:1075) > at > sun.tools.java.ClassDeclaration.getClassDefinition(ClassDeclaration.java:133 > ) > at sun.tools.javac.Main.compile(Main.java:500) Paul
