Getting Exceptions for ChangeSet.xml resource...
by Manohar Kokkula
Hi to All,
I am getting following exceptions while executing simple application with
ChangeSet.xml resource.
[2011:11:308 01:11:101:exception]
java.lang.RuntimeException: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:418)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:120)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:109)
at com.code.Bankmain.createKnowledgeBase(Bankmain.java:52)
at com.code.Bankmain.main(Bankmain.java:28)
Caused by: java.io.InvalidClassException: org.drools.rule.Package; local
class incompatible: stream classdesc serialVersionUID = 510, local class
serialVersionUID = 400
at
java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:579)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)
at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:408)
... 4 more
[2011:11:308 01:11:103:info] KnowledgeAgent new KnowledgeBase now built
and in use
Balance is 0
Deposit is 0
Please help me.
Thanks and regards
Manohar Kokkula
Mailto: manohar.kokkula(a)tcs.com
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14 years, 11 months
Drools Planner - planning variable as list
by sirius
I'm new Drools Planner user, so sorry if my question proved to be trivial.
Simplified problem definition:
Facts:
Workorder
Technician
Planning entity:
WorkorderAssignement {
private List<Technician> technicianList;
private Workorder workorder;
}
Workorder depends of his definiiton maybe assigned to variable number of
technicians. So, some of them require only ONE technician, but other
requires TWO technicians.
Is there possible build optimized technician list in this case?
--
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14 years, 11 months
How Can i download the jar of drools-process-task
by xdyl
HI,All:
i want run the example of jbpm-5.1.0.Final-installer-full.but i find i
cant find the jar of drools-process-task.
because ProcessTest import the class:
org.jbpm.process.workitem.wsht.WSHumanTaskHandler.
but i can get this jar anyway.
i try find it which module(task,process,guvnor,expert,jbmp) include this
jar,and didnt get any hint.
and i try download it in maven,use this :
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-process-task</artifactId>
<version>5.1.0.M1</version>
</dependency>
repositroy is :
https://jboss.sonatype.org/content/repositories/JBoss
because i didnt know the correct address.in some website i find the
repository is
https://oss.sonatype.org/content/repositories/JBoss ,but i cant access.
so ,can somebody tell me,how to get the correct jar(maven is best),or how
can i run the example correctly?
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14 years, 11 months
[drools planner] [5.3.0 Final] Sorting successfully planned entities
by guyver
If we use the hard and soft scoring method and then terminate early without
reaching a hard score of zero, then is there a way to distinguish the
planning entity objects that met all the constraints(achieved a score of
zero) from the ones that did not meet the constraints (had a negative score)
by just looking at the planning entity list in our output planning solution.
Do we have to use some kind of boolean flag within our planning entity to
indicate if that planning entity has a score of zero or is there something
like this already built into the planner?
--
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14 years, 11 months
Help with troubleshooting rules/Drools
by Robert Crawford
Any advice on how to troubleshoot problems? I have a fairly simple set of
rules (a couple dozen), but keep having problems with fatal exceptions. The
most recent was:
org.drools.RuntimeDroolsException: Unexpected exception executing action
org.drools.reteoo.PropagationQueuingNode$PropagateAction@1e60aa7
at
org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977)
at
org.drools.common.DefaultAgenda.fireUntilHalt(DefaultAgenda.java:1231)
at
org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:753)
at
org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:729)
at
org.drools.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:234)
at
com.kroger.tempmonitor.app.service.RuleService$1.run(RuleService.java:214)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.util.NoSuchElementException
at java.util.LinkedList.remove(LinkedList.java:788)
at java.util.LinkedList.removeFirst(LinkedList.java:134)
at
org.drools.common.PropagationContextImpl.evaluateActionQueue(PropagationContextImpl.java:264)
at
org.drools.reteoo.PropagationQueuingNode$AssertAction.execute(PropagationQueuingNode.java:357)
at
org.drools.reteoo.PropagationQueuingNode.propagateActions(PropagationQueuingNode.java:238)
at
org.drools.reteoo.PropagationQueuingNode$PropagateAction.execute(PropagationQueuingNode.java:502)
at
org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:975)
... 6 more
No mention of a rule name, so where do I begin?
My architecture is simple: one thread ran fireUntilHalt(), other (multiple)
threads inserting objects. Should I synchronize on the session so only one
thread is inserting at a time?
There's one rule that triggers a large number of inserts, and it used to
give me problems, but I've moved those inserts into Commands and those
problems seem to have gone away.
Any advice would be welcome, no matter how basic you think it is! Thanks!
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14 years, 11 months
Guvnor custom form not working for DSL sentences
by GPatel＠tsys.com
Hi
Is the guvnor custom form not meant for use with fact fields appearing in
dsl sentences? It works fine with guided editor, not with dsl though.
Using 5.3.CR1
Thanks
G. Patel
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14 years, 11 months
Online 5.3.0 javadocs
by Martin A
Hello,
I'm looking for the online 5.3.0 javadocs, but can't find it... Would you
point me to a reference?
Thanks,
Martin
14 years, 11 months
