Please Double Check your classpath libraries, It's with 100% sure
some classpath issues.
On Aug 17, 2007, at 1:53 PM, Scott Reed wrote:
> Exception in thread "main" java.lang.NoSuchMethodError:
> org.antlr.runtime.DFA.unpackEncodedString(Ljava/lang/String;)[S
> at org.drools.lang.DRLParser.<clinit>(DRLParser.java:7223)