antlr_gen not working (with java8)?

I suspect that it's because I switched to a new laptop and only have JDK 8
 installed at the moment.

Currently attempting to download JDK 7 to compare however this is the error
i'm getting with the antlr_gen task and JDK 8 at the morment, has anyone
seen this before?

     [java] error(10):  internal error: Can't get property
indirectDelegates using method get/isIndirectDelegates from
org.antlr.tool.Grammar instance : java.lang.NullPointerException
     [java] java.util.Objects.requireNonNull(Objects.java:203)
     [java] java.util.ArrayList.removeAll(ArrayList.java:674)
     [java]
org.antlr.tool.CompositeGrammar.getIndirectDelegates(CompositeGrammar.java:222)
     [java] org.antlr.tool.Grammar.getIndirectDelegates(Grammar.java:2620)
     [java] sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     [java]
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
     [java]
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     [java] java.lang.reflect.Method.invoke(Method.java:483)
     [java]
org.antlr.stringtemplate.language.ASTExpr.invokeMethod(ASTExpr.java:563)
     [java]
org.antlr.stringtemplate.language.ASTExpr.rawGetObjectProperty(ASTExpr.java:514)
     [java]
org.antlr.stringtemplate.language.ASTExpr.getObjectProperty(ASTExpr.java:416)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.attribute(ActionEvaluator.java:351)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.expr(ActionEvaluator.java:136)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.templateApplication(ActionEvaluator.java:216)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.expr(ActionEvaluator.java:126)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:84)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:148)
     [java]
org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:700)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:722)
     [java]
org.antlr.stringtemplate.language.ASTExpr.writeAttribute(ASTExpr.java:659)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:86)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:148)
     [java]
org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:700)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:722)
     [java]
org.antlr.stringtemplate.language.ASTExpr.writeAttribute(ASTExpr.java:659)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:86)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:148)
     [java]
org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:700)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:722)
     [java]
org.antlr.stringtemplate.language.ASTExpr.writeAttribute(ASTExpr.java:659)
     [java]
org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:86)
     [java]
org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:148)
     [java]
org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:700)
     [java] org.antlr.codegen.CodeGenerator.write(CodeGenerator.java:1278)
     [java] org.antlr.codegen.Target.genRecognizerFile(Target.java:94)
     [java]
org.antlr.codegen.CodeGenerator.genRecognizer(CodeGenerator.java:463)
     [java] org.antlr.Tool.generateRecognizer(Tool.java:607)
     [java] org.antlr.Tool.process(Tool.java:429)
     [java] org.antlr.Tool.main(Tool.java:91)

BUILD FAILED
/Users/indra/jython/build.xml:447: Java returned: 1

Cheers
Indra
-- 
Indra Talip

------------------------------------------------------------------------------
Want fast and easy access to all the code in your enterprise? Index and
search up to 200,000 lines of code with a free copy of Black Duck
Code Sight - the same software that powers the world's largest code
search on Ohloh, the Black Duck Open Hub! Try it now.
http://p.sf.net/sfu/bds

_______________________________________________
Jython-dev mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/jython-dev