[rules-users] No such field org.optaplanner.core.config.heuristic.selector.value.chained.SubChainSelectorConfig.entitySelector

[dBijkoo]

when I use this code:
             <subChainChangeMoveSelector>
                <subChainSelector>
                    <entitySelector>
                        <entityClass>model.ScheduleBlockPeriod</entityClass>

                    </entitySelector>
                    <minimumSubChainSize>2</minimumSubChainSize>
                    <maximumSubChainSize>40</maximumSubChainSize>
                </subChainSelector>
                <valueSelector>
                    <variableName>nextScheduleBlockPeriod</variableName>
                </valueSelector>

                <selectReversingMoveToo>true</selectReversingMoveToo>

            </subChainChangeMoveSelector>

I get the following error:
/com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$UnknownFieldException:
No such field
org.optaplanner.core.config.heuristic.selector.value.chained.SubChainSelectorConfig.entitySelector
---- Debugging information ----
field               : entitySelector
class               :
org.optaplanner.core.config.heuristic.selector.value.chained.SubChainSelectorConfig
required-type       :
org.optaplanner.core.config.heuristic.selector.value.chained.SubChainSelectorConfig
converter-type      :
com.thoughtworks.xstream.converters.reflection.ReflectionConverter
line number         : 57
class[1]            :
org.optaplanner.core.config.heuristic.selector.move.generic.chained.SubChainChangeMoveSelectorConfig
class[2]            :
org.optaplanner.core.config.heuristic.selector.move.composite.CartesianProductMoveSelectorConfig
class[3]            :
org.optaplanner.core.config.localsearch.LocalSearchSolverPhaseConfig
class[4]            : org.optaplanner.core.config.solver.SolverConfig
version             : 1.4.7
-------------------------------
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.handleUnknownField(AbstractReflectionConverter.java:495)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:351)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField(AbstractReflectionConverter.java:474)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:406)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:377)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:377)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:377)
	at
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:257)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at
com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1185)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1169)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1040)
	at
org.optaplanner.core.config.solver.XmlSolverFactory.configure(XmlSolverFactory.java:84)
	at
org.optaplanner.core.config.solver.XmlSolverFactory.configure(XmlSolverFactory.java:74)
	at
org.optaplanner.core.config.solver.XmlSolverFactory.configure(XmlSolverFactory.java:67)
	at
org.optaplanner.core.config.solver.XmlSolverFactory.<init>(XmlSolverFactory.java:51)
	at AgendaTest.before(AgendaTest.java:29)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
	at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
	at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
	at
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:211)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)/

Even though it is besides naming the same xml code as it shows on the
website here:
http://docs.jboss.org/drools/release/6.0.1.Final/optaplanner-docs/html_single/index.html#subChainChangeMoveSelector

My goal is to select a specific chained variable from a planningEntity



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