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PODrools Planner constructionHeuristic java.lang.ClassCastException
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  1. PODrools Planner constructionHeuristic java.lang.ClassCastException
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    copied!<p>I tried to initialize the solution using <strong>Drools Planner 5.4.Final</strong> Contruction Heuristic Type BEST_FIT.</p> <pre><code>&lt;constructionHeuristic&gt; &lt;constructionHeuristicType&gt;BEST_FIT&lt;/constructionHeuristicType&gt; &lt;/constructionHeuristic&gt; </code></pre> <p>The following error occurs during evaluation at runtime</p> <pre><code>java.lang.ClassCastException: org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig cannot be cast to org.drools.planner.config.localsearch.LocalSearchSolverPhaseConfig </code></pre> <p>Does anybody have any hints?</p> <p>Thanks</p> <p>This is the stacktrace</p> <pre><code>com.thoughtworks.xstream.converters.ConversionException: Element constructionHeuristic of type org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig is not defined as field in type org.drools.planner.config.localsearch.LocalSearchSolverPhaseConfig ---- Debugging information ---- class : org.drools.planner.config.localsearch.LocalSearchSolverPhaseConfig required-type : org.drools.planner.config.localsearch.LocalSearchSolverPhaseConfig converter-type : com.thoughtworks.xstream.converters.reflection.ReflectionConverter line number : 23 class[1] : org.drools.planner.config.solver.SolverConfig version : null ------------------------------- com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter: writeValueToImplicitCollection (line:399) com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter: doUnmarshal (line:330) com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter: unmarshal (line:230) com.thoughtworks.xstream.core.TreeUnmarshaller: convert (line:72) com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller: convert (line:65) com.thoughtworks.xstream.core.TreeUnmarshaller: convertAnother (line:66) com.thoughtworks.xstream.core.TreeUnmarshaller: convertAnother (line:50) com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter: doUnmarshal (line:318) com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter: unmarshal (line:230) com.thoughtworks.xstream.core.TreeUnmarshaller: convert (line:72) com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller: convert (line:65) com.thoughtworks.xstream.core.TreeUnmarshaller: convertAnother (line:66) com.thoughtworks.xstream.core.TreeUnmarshaller: convertAnother (line:50) com.thoughtworks.xstream.core.TreeUnmarshaller: start (line:134) com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy: unmarshal (line:32) com.thoughtworks.xstream.XStream: unmarshal (line:1035) com.thoughtworks.xstream.XStream: unmarshal (line:1019) com.thoughtworks.xstream.XStream: fromXML (line:895) org.drools.planner.config.XmlSolverFactory: configure (line:95) org.drools.planner.config.XmlSolverFactory: configure (line:85) org.drools.planner.config.XmlSolverFactory: configure (line:78) </code></pre>
 

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