Thank you, Tom.

I replaced antlr-2.7.6 with 2.7.7 and antlr 3.0ea8 with the 3.0b5 that came with the Drools 3.1M1 release.
I upgraded stringtemplate to 3.0.
None of these changes helped which is not too surprising since the error is in the commons-jci code:

Exception in thread "main" java.lang.NoSuchMethodError: org.apache.commons.jci.compilers.EclipseJavaCompiler.<init>(Ljava/util/Map;)V.

I have a critical question. If you removed commons-jci-eclipse-3.2.0.666.jar, what did you replace it with? Since the error I am getting is in that jar, I am very interested in this answer. There is no version of that jar in the 3.1M1 release.

If anyone else can weigh in here and enlighten me I'd appreciate it.

Scott

Tom Gonzalez's message received 3/13/2007 6:43 PM:

 Here are the changes We are using.

Remove 
antlr-3.0ea8.jar
antlr-2.7.6.jar
commons-jci-eclipse-3.2.0.666.jar
core-3.2.0.666.jar
stringtemplate-2.3b6.jar


Remove 
drools-compiler-3.0.4.jar
drools-core-3.0.4.jar

Add 
antlr-2.7.7.jar
antlr-3.0b5.jar
core-3.2.1.v_677_R32x.jar
stringtemplate-3.0.jar
xstream-1.1.3.jar


Add 
drools-compiler-3.1.0-M1.jar
drools-core-3.1.0-M1.jar