Re: [rules-dev] Fwd: [rules-users] ClassNotFound on class defined in drl with 5.5.0.CR1

Hi All, I have taken the liberty to log this in Jira at https://issues.jboss.org/browse/JBRULES-3670 Regards, Willem On 10/25/2012 12:44 PM, Willem van Asperen wrote: > Hi All, > > The difference between failing or not stems from using insert() and > retract() versus insertLogical(). The first two make the package fail to > load, the latter seems to work fine. > > I can create a package that *does* load, by adding a cast to the full > class name in the rule: > > rule "clean up possible slot lock, when no longer to schedule" > when > $p : PossibleSlotLock( $ship; ) > not ToScheduleLock( mover == $ship ) > then > retract( (vcm.planner.lock.standard.PossibleSlotLock)$p ); > end > > and by stating the full class name in the inserts, like so: > > insert(new vcm.planner.lock.standard.PossibleSlotLock($ship, $chamber, > $side, $schedule, $eta, $schedule.getTick(), "existing")); > > This way the loading works fine. > > So this is less about loading compiled files and more about class > loading for insert() and retract(). > > Hope this helps! > > I have also managed to reproduce this in a simple case. jar attached. > Notice that when I change rule "now use it B" to have RHS "insert( new > Person( $christianName, null ) );" the loading works. I can imagine the > compiler / loader just assumes that a class with constructor Person( > String, ExternalClass ) may become available at run time? > > Regards, > Willem > > On 10/25/2012 11:32 AM, Willem van Asperen wrote: >> Hi All, >> >> To add to this, I've done some further testing. >> >> It seems that the particular order in which each of the compiled >> packages is loaded does not matter. >> Not all packages that declare local classes fail... I have now found the >> two that do. I cannot see any striking differences between the ones that >> do and do not fail... >> >> What I did find is that removing all the rules from the failing packages >> (so only leaving the imports and declare) seems to remove this issue! >> >> I'll dig 'round some more. >> >> Regards, >> Willem >> >> On 10/25/2012 01:45 AM, Wolfgang Laun wrote: >>> Folks, >>> it seems that something new in 5.5.0.CR1 sabotages the ingestion of >>> compiled packages. >>> -W >>> >>> ---------- Forwarded message ---------- >>> From: Willem van Asperen <willem(a)van.asperen.org&gt; >>> Date: Thu, 25 Oct 2012 00:04:32 +0200 >>> Subject: Re: [rules-users] ClassNotFound on class defined in drl with 5.5.0.CR1 >>> To: Wolfgang Laun <wolfgang.laun(a)gmail.com&gt;, Rules Users List >>> <rules-users(a)lists.jboss.org&gt; >>> >>> Hi, >>> >>> This was a good idea. Here is my test case: >>> >>> public class TestCompilation { >>> >>> private final static FileFilter RULES_FILES_FILTER = new FileFilter() { >>> @Override >>> public boolean accept(File pathname) { >>> return pathname.getName().endsWith(".drl"); >>> } >>> }; >>> >>> private void testCompilation() throws FileNotFoundException, >>> IOException { >>> KnowledgeBuilderConfiguration configuration = >>> KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(); >>> KnowledgeBuilder kbuilder = >>> KnowledgeBuilderFactory.newKnowledgeBuilder(configuration); >>> >>> File folder = new File("src/main/rules/"); >>> for (File file : folder.listFiles(RULES_FILES_FILTER)) { >>> System.out.println("compiling "+file.getAbsolutePath()); >>> kbuilder.add(ResourceFactory.newFileResource(file.getAbsolutePath()), >>> ResourceType.DRL); >>> } >>> >>> System.out.println("saving"); >>> ObjectOutputStream out = new ObjectOutputStream(new >>> FileOutputStream("test.drl.compiled")); >>> out.writeObject( kbuilder.getKnowledgePackages()); >>> out.close(); >>> } >>> >>> private KnowledgeBase testLoad() throws FileNotFoundException, >>> IOException, ClassNotFoundException { >>> Properties configProperties = new Properties(); >>> KnowledgeBaseConfiguration knowledgeBaseConfiguration = >>> KnowledgeBaseFactory.newKnowledgeBaseConfiguration(configProperties); >>> KnowledgeBase kbase = >>> KnowledgeBaseFactory.newKnowledgeBase(knowledgeBaseConfiguration); >>> >>> ObjectInputStream in = new ObjectInputStream(new >>> FileInputStream("test.drl.compiled")); >>> >>> System.out.println("loading"); >>> kbase.addKnowledgePackages((Collection<KnowledgePackage>) in.readObject()); >>> return kbase; >>> } >>> >>> public static void main(String[] args) throws >>> FileNotFoundException, IOException, ClassNotFoundException { >>> TestCompilation testCompilation = new TestCompilation(); >>> testCompilation.testCompilation(); >>> testCompilation.testLoad(); >>> } >>> } >>> >>> The folder src/main/rules consists of a number of .drl files. >>> Compiling works fine. >>> This is the output: >>> >>> SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". >>> SLF4J: Defaulting to no-operation (NOP) logger implementation >>> SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for >>> further details. >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/planner-lock.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/executable-action-selection.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/block-times-3.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/planner-bridge.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/routeplan.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/shift-management-brabant.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/plan-first-object-in-route.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/operator-lock.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/block-times-route-call.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/shift-management.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/planner-process-data.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/plan-last-moment.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/operator-bridge.drl >>> compiling >>> /home/willem/development/workspace/VCM/src/main/rules/operator-management.drl >>> saving >>> loading >>> Exception in thread "main" java.lang.ClassNotFoundException: >>> vcm.planner.lock.standard.PossibleSlotLock >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:423) >>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:356) >>> at java.lang.Class.forName0(Native Method) >>> at java.lang.Class.forName(Class.java:264) >>> at >>> org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:85) >>> at >>> org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:97) >>> at >>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1593) >>> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514) >>> at java.io.ObjectInputStream.readClass(ObjectInputStream.java:1480) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1330) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at >>> org.drools.rule.ConsequenceMetaData$Statement.readExternal(ConsequenceMetaData.java:61) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at java.util.ArrayList.readObject(ArrayList.java:733) >>> at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:601) >>> at >>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>> at >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at >>> org.drools.rule.ConsequenceMetaData.readExternal(ConsequenceMetaData.java:19) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at org.drools.rule.Rule.readExternal(Rule.java:207) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at >>> org.drools.rule.JavaDialectRuntimeData.readExternal(JavaDialectRuntimeData.java:195) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at java.util.HashMap.readObject(HashMap.java:1155) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:601) >>> at >>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>> at >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at >>> org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:58) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at org.drools.rule.Package.readExternal(Package.java:208) >>> at >>> org.drools.definitions.impl.KnowledgePackageImp.readExternal(KnowledgePackageImp.java:157) >>> at >>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at java.util.ArrayList.readObject(ArrayList.java:733) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:601) >>> at >>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>> at >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>> at >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>> at >>> com.paconsulting.pase.test.TestCompilation.testLoad(TestCompilation.java:57) >>> at >>> com.paconsulting.pase.test.TestCompilation.main(TestCompilation.java:64) >>> >>> The class PossibleSlotLock is just a locally declared fact class. It is >>> only being used in that particular .drl file. Every .drl file has it's >>> own package name. >>> >>> The head of the .drl file: >>> >>> package vcm.planner.lock.standard; >>> >>> import java.util.Set; >>> >>> import com.paconsulting.pase.core.schedule.CurrentTime; >>> import com.paconsulting.pase.core.duration.FixedDuration; >>> import com.paconsulting.pase.transport.agents.ScheduleManagingContainer; >>> import com.paconsulting.pase.transport.agents.movers.Ship; >>> import com.paconsulting.pase.transport.agents.water.Lock; >>> import com.paconsulting.pase.transport.agents.water.LockChamber; >>> import com.paconsulting.pase.transport.agents.base.WaterLevel; >>> import com.paconsulting.pase.transport.components.action.ActionFactory; >>> import com.paconsulting.pase.transport.actions.IAction; >>> import com.paconsulting.pase.transport.components.action.IActionable; >>> import com.paconsulting.pase.transport.actions.NonTransactionAction; >>> import com.paconsulting.pase.transport.actions.ExecutableAction; >>> import com.paconsulting.pase.transport.components.containing.IContainer; >>> import >>> com.paconsulting.pase.transport.components.containing.IContainer.UpDown; >>> import com.paconsulting.pase.transport.components.moving.IMover; >>> import com.paconsulting.pase.transport.components.moving.TransferSchedule; >>> import com.paconsulting.pase.transport.components.moving.ToScheduleLock; >>> >>> declare PossibleSlotLock >>> ship : IMover >>> chamber : IContainer >>> side : IContainer.UpDown >>> schedule : TransferSchedule >>> eta : double >>> at : double >>> cause : String >>> end >>> .... >>> >>> Same issue like in my previous email, different class that cannot be found. >>> >>> This works in 5.4.0.Final >>> >>> Any clue? >>> >>> This seems to me like a really basic thing so either I am missing the >>> plot somehow or no-one has yet used a locally declared fact classes - >>> which I think is just not true... >>> >>> Regards, >>> Willem >>> >>> On 10/24/2012 07:29 PM, Wolfgang Laun wrote: >>>> It would be interesting to know (and perhaps help to isolate the problem >>>> apparently introduced in 5.5.0) if you could try and compile and >>>> serialize into a single file, and load that in a single readObject. >>>> >>>> -W >>>> >>>> On 24/10/2012, Willem van Asperen <willem(a)van.asperen.org&gt; wrote: >>>>> Hi Wolfgang, >>>>> >>>>> Thanks for picking this up. I am indeed compiling these separate .drl >>>>> files into separate .drl.compiled files and then creating a kbase using >>>>> addKnowledgePackages on the individual .drl.compiled files. >>>>> >>>>> But: the classes declared in some of by .drl files are only going to be >>>>> used in that particular .drl file - not anywhere else. >>>>> Also: this did work in 5.4.0.Final but now has given up on me. >>>>> >>>>> Point is that I need to be flexible in mixing different .drl.compiled >>>>> files into a kbase, based on user specifications. >>>>> Alternative is that I do not pre-compile these .drl files and only >>>>> compile them, in combination, in the mix that is required by the user... >>>>> If that would solve the problem... But it seems to be more cumbersome... >>>>> >>>>> Regards, >>>>> Willem >>>>> >>>>> On 10/24/2012 03:39 PM, Wolfgang Laun wrote: >>>>>> The code you use for loading where you load many .pkg files isn't >>>>>> quite the counterpart for compiling where you compile one DRL. >>>>>> >>>>>> Do you compile and output the .drl files one by one? Apparently you >>>>>> load them individually? >>>>>> >>>>>> Try compiling them all, and then take the Collection<KnowledgePackage> >>>>>> and writeObject it to a single .pkg from which you load them in one >>>>>> go. >>>>>> >>>>>> Could it be that the type declared in one .drl is used in another .drl >>>>>> in the same package? Reading this in the wrong order might cause the >>>>>> CNF. >>>>>> >>>>>> -W >>>>>> >>>>>> On 24/10/2012, Willem van Asperen <willem(a)van.asperen.org&gt; wrote: >>>>>>> Dear All, >>>>>>> >>>>>>> I use the Drools compiler to compile a set of drl files: >>>>>>> >>>>>>> >>>>>>> KnowledgeBuilder kbuilder = >>>>>>> KnowledgeBuilderFactory.newKnowledgeBuilder(configuration); >>>>>>> kbuilder.add(ResourceFactory.newFileResource(fileName), >>>>>>> ResourceType.DRL); >>>>>>> >>>>>>> KnowledgeBuilderErrors errors = kbuilder.getErrors(); >>>>>>> if (errors.size() > 0) { >>>>>>> for (KnowledgeBuilderError error: errors) { >>>>>>> logger.error(error); >>>>>>> } >>>>>>> throw new IllegalArgumentException("Could not parse >>>>>>> knowledge."); >>>>>>> } >>>>>>> >>>>>>> ObjectOutputStream out = new ObjectOutputStream(new >>>>>>> FileOutputStream(fileName+".compiled")); >>>>>>> out.writeObject( kbuilder.getKnowledgePackages()); >>>>>>> out.close(); >>>>>>> >>>>>>> I then load these *.compiled files into my application: >>>>>>> >>>>>>> >>>>>>> for (String packageName : packages) { >>>>>>> InputStream is = >>>>>>> getClass().getResourceAsStream("/"+packageName+".drl.compiled"); >>>>>>> if (is != null) { >>>>>>> logger.debug("adding package '"+packageName+"'"); >>>>>>> ObjectInputStream in = new ObjectInputStream(is); >>>>>>> kbase.addKnowledgePackages((Collection<KnowledgePackage>) >>>>>>> in.readObject()); >>>>>>> in.close(); >>>>>>> } else >>>>>>> throw new FileNotFoundException("could not find >>>>>>> resource for package "+packageName); >>>>>>> is.close(); >>>>>>> } >>>>>>> >>>>>>> In some of these drl files I declare a class, for instance: >>>>>>> >>>>>>> package vcm.selection.standard; >>>>>>> >>>>>>> import com.paconsulting.pase.transport.agents.ShiftWorker; >>>>>>> import com.paconsulting.pase.transport.agents.VCMShiftWorker; >>>>>>> import com.paconsulting.pase.transport.actions.ExecutableAction; >>>>>>> import com.paconsulting.pase.transport.agents.ScheduleManagingContainer; >>>>>>> import com.paconsulting.pase.transport.agents.water.Bridge; >>>>>>> import com.paconsulting.pase.transport.agents.movers.AbstractMover; >>>>>>> import com.paconsulting.pase.transport.agents.movers.Ship; >>>>>>> import com.paconsulting.pase.transport.agents.movers.VCMShip; >>>>>>> >>>>>>> declare RelevantExecutableAction >>>>>>> agent : ShiftWorker >>>>>>> executableAction : ExecutableAction >>>>>>> end >>>>>>> ... >>>>>>> >>>>>>> When running the >>>>>>> kbase.addKnowledgePackages((Collection<KnowledgePackage>) >>>>>>> in.readObject()) I get the following ClassNotFound stack trace: >>>>>>> >>>>>>> java.lang.ClassNotFoundException: >>>>>>> vcm.selection.standard.RelevantExecutableAction >>>>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>>>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>>>>>> at java.security.AccessController.doPrivileged(Native Method) >>>>>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:423) >>>>>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:356) >>>>>>> at java.lang.Class.forName0(Native Method) >>>>>>> at java.lang.Class.forName(Class.java:264) >>>>>>> at >>>>>>> org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:85) >>>>>>> at >>>>>>> org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:97) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1593) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readClass(ObjectInputStream.java:1480) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1330) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at >>>>>>> org.drools.rule.ConsequenceMetaData$Statement.readExternal(ConsequenceMetaData.java:61) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at java.util.ArrayList.readObject(ArrayList.java:733) >>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>>>>> at >>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>>>>>> at >>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>>>>>> at java.lang.reflect.Method.invoke(Method.java:601) >>>>>>> at >>>>>>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at >>>>>>> org.drools.rule.ConsequenceMetaData.readExternal(ConsequenceMetaData.java:19) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at org.drools.rule.Rule.readExternal(Rule.java:207) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at >>>>>>> org.drools.rule.JavaDialectRuntimeData.readExternal(JavaDialectRuntimeData.java:195) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at java.util.HashMap.readObject(HashMap.java:1155) >>>>>>> at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) >>>>>>> at >>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>>>>>> at java.lang.reflect.Method.invoke(Method.java:601) >>>>>>> at >>>>>>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at >>>>>>> org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:58) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at org.drools.rule.Package.readExternal(Package.java:208) >>>>>>> at >>>>>>> org.drools.definitions.impl.KnowledgePackageImp.readExternal(KnowledgePackageImp.java:157) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1810) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at java.util.ArrayList.readObject(ArrayList.java:733) >>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>>>>> at >>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>>>>>> at >>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>>>>>> at java.lang.reflect.Method.invoke(Method.java:601) >>>>>>> at >>>>>>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) >>>>>>> at >>>>>>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.definition.KnowledgebaseDefinition.addPackages(KnowledgebaseDefinition.java:48) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.definition.KnowledgebaseDefinition.materialize(KnowledgebaseDefinition.java:59) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.definition.TeamDefinition.materialize(TeamDefinition.java:97) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.definition.OperatingModelDefinition.materialize(OperatingModelDefinition.java:36) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.Run.<init>(Run.java:31) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.definition.RunDefinition.materialize(RunDefinition.java:53) >>>>>>> at >>>>>>> com.paconsulting.pase.core.configuration.runconfig.RunConfigExecutor$ScheduleExecutorWrapper.run(RunConfigExecutor.java:69) >>>>>>> ... >>>>>>> >>>>>>> I'm sure I miss something as this is basic functionality. Maybe I must >>>>>>> tell the kbase where to load the classes... >>>>>>> >>>>>>> Can someone point me in the right direction? >>>>>>> >>>>>>> Thanks, >>>>>>> Willem >>>>>>> >>>>>>> _______________________________________________ >>>>>>> rules-users mailing list >>>>>>> rules-users(a)lists.jboss.org >>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>> >>>>>> _______________________________________________ >>>>>> rules-users mailing list >>>>>> rules-users(a)lists.jboss.org >>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >> _______________________________________________ >> rules-dev mailing list >> rules-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-dev _______________________________________________ rules-dev mailing list rules-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-dev