RE: 4.0.0-M2: RuleFlow "CannotResolveClassException" error

I'll take a look at the new game of life implementation with a view to shifting to rule flow - no promises though, I'm still new to this "contributing thing".

Oh, you can call me Michael if you like too - I prefer to go by my first name ;-)

From: rules-users-bounces@lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Mark Proctor
Sent: 09 May 2007 14:50
To: Rules Users List
Cc: Kris Verlaenen
Subject: Re: [rules-users] RE: 4.0.0-M2: RuleFlow "CannotResolveClassException"error

Anstis, Good work :) My next plan is to make a version of conways game of life that uses ruleflow instead of the agenda groups. check the new conways out, maybe you can do the implementation.

I think the RFM file is just a data file for the GUI display, not needed for runtime. Kris can you confirm?

Mark
Anstis, Michael (M.) wrote:
OK, I don't get the error if I use a RFM file instead of a RF file - assuming this to be correct I've changed the wiki entry.

I've also updated the wiki to show how to execute a RuleFlow - not difficult now I know how, but since I spent a while figuring it out thought it worth a mention.

FYI, I have also successfully added the plugin to IBM RAD7 and conducted a few preliminary checks (nice - I can emphasis the "I" in IDE for my current project at work).

_____________________________________________
From: Anstis, Michael (M.)
Sent:   09 May 2007 09:51
To:     'Rules Users List'
Subject:        4.0.0-M2: RuleFlow "CannotResolveClassException" error

Hi,

I added the Eclipse 4.0.0-M2 plugin and created an example project; changing the class path to reference core-4.0.0-M2, compiler-4.0.0-M2 and dependencies.

I modified the example to include Ruleflow based upon the wiki entry for 4.0.0-M2 and created a simple RuleFlow with two RuleGroups ("one" and "two") one for each rule in the Sample.drl.

I also modified the DRL to include Rule-Group attributes ("one" and "two"). Unfortunately when running within Eclipse I received the following error:-

com.thoughtworks.xstream.alias.CannotResolveClassException: org.drools.eclipse.flow.ruleflow.core.RuleFlowProcessWrapper : org.drools.eclipse.flow.ruleflow.core.RuleFlowProcessWrapper

        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:35)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.XmlFriendlyMapper.realClass(XmlFriendlyMapper.java:44)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:49)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:46)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:70)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:27)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:95)
        at com.thoughtworks.xstream.core.ReferenceByIdMarshallingStrategy.unmarshal(ReferenceByIdMarshallingStrategy.java:12)

        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:552)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:540)
        at com.thoughtworks.xstream.XStream.fromXML(XStream.java:490)
        at org.drools.compiler.ProcessBuilder.addProcessFromFile(ProcessBuilder.java:54)
        at com.sample.DroolsTest.readRule(DroolsTest.java:67)
        at com.sample.DroolsTest.main(DroolsTest.java:22)

Suspecting I've missed something obvious can you advise?

With kind regards,

Michael Anstis
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