H i
our ruleflow is coupled with a struts2 application. we use guvnor generated pkg
files and create knowledgebase out of it and use a caching mechanism to store
kbases for reuse.
when i create a ksession out of the kbase and start a process , it works for
the first time . whenever i try to start the same process second time using the
cached kbase, i get the following exception :
ERROR - ExceptionInterceptor.publishException(107) | ExceptionInterceptor
received exception java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585) etc ...
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
Caused by: java.lang.NoSuchMethodError:
com.qwest.rx.ruleflow.Process_com_qwest_rx_ruleflow_0.action104(Lorg/drools/spi/
KnowledgeHelper;Lcom/qwest/rx/brain/drools/action/RceHolderUtil;Lorg/drools/spi/ProcessContext;)V
at
com.qwest.rx.ruleflow.Process_com_qwest_rx_ruleflow_0Action104Invoker.execute(Process_com_qwest_rx_ruleflow_0Action104Invoker.java:21)
at
org.drools.workflow.instance.impl.ExtendedNodeInstanceImpl.executeAction(ExtendedNodeInstanceImpl.java:66)
at
org.drools.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerEvent(ExtendedNodeInstanceImpl.java:45)
at
org.drools.workflow.instance.impl.ExtendedNodeInstanceImpl.internalTrigger(ExtendedNodeInstanceImpl.java:28)
at
org.drools.workflow.instance.node.StateBasedNodeInstance.internalTrigger(StateBasedNodeInstance.java:31)
at
org.drools.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:80)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:135)
at
org.drools.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)
at
org.drools.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at
org.drools.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:16)
at
org.drools.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:185)
at
org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:284)
at
org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1763)
at
org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1741)
at
org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:284)
at
com.qwest.rx.brain.drools.action.GetNextPageletAction.execute(GetNextPageletAction.java:557)
... 98 more
when i try to create the kbase by parsing rf files directly , they are all
working fine. the same caching mechanism works well with rf files parsed kbases.
any thoughts / suggestions?
Regards,
Dipasoke Chattopadhyay | * Office: +91 80 6618 4813 | Email:
dipasoke.chattopadh...@qwest.com<mailto:dipasoke.chattopadh...@qwest.com>
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