How to convert .GDST file to DRL ?

[Ravikumar Ganugapanta]

Hi,

We were able to import .xls files into Workbench and they got converted to .gdst without much problem.
Now for executing the rules from our application, we want to convert the .gdst to drl

We tried below program.

        String decisionTableXml = new String (
                  Files.readAllBytes(
                    Paths.get("D:/TRR#TRG (converted on 29-Feb-2016 18-49-48).gdst") ) );

                // parse the table model
        GuidedDTXMLPersistence p =  GuidedDTXMLPersistence.getInstance();
        p.unmarshal(decisionTableXml);
       
        GuidedDecisionTable52 model = GuidedDTXMLPersistence.getInstance().unmarshal( decisionTableXml );

         // compile it into drools rules
         String droolsRules = GuidedDTDRLPersistence.getInstance().marshal( model );

But encountering below exception.

Exception in thread "main" com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$UnknownFieldException: No such field org.drools.ide.common.client.modeldriven.dt52.GuidedDecisionTable52.imports

Any help will be highly appreciated.

[Michael Anstis]

I'd guess your using Drools 5.x to convert a GDST created with 6.x?

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[Ravikumar Ganugapanta]

Thanks for the pointer. You were correct, we were using an older drools version for converting gdst created using 6.x drools workbench.

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