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From "Rajendran, John Tom (STSD)" <john.rajend...@hp.com>
Subject SCXML error
Date Thu, 12 Apr 2007 06:51:06 GMT
Hi there,
While implementing the parallelism in SCXML we are encountering an
exception which I am attaching herewith. Is there any work around for
this.
2007-04-12 11:52:44,922 INFO  [scxml.app.log] null: Slot Init State
2007-04-12 11:52:44,922 INFO  [scxml.app.log] null: Task Init State
2007-04-12 11:52:44,954 DEBUG [mdb] SQL Query - select
T_Schedule.SCH_ID,SCH_TYPE,SCH_KIND,SCH_USER,
SCH_PRIORITY,SCH_NAME,SCH_CRON,SCH_DISABLE,SCH_RELID,SCH_PARENTID,SCH_AB
ORT_INFO,SCH_TIME_POLICY,SCH_KIND,SCH_SUB_TYPE,SLOT_ID,RESID
,RESTYPE,SLOT_FROM_TIME , SLOT_TO_TIME,SLOT_CAPACITY ,
SLOT_STATE,aTask.TASK_ID ,aTask.IRESID,aTask.LRESID ,aTask.TASK_OPKID ,
aTask.TASK_OPKTYPE , aTask.TASK_JOBCMDSTR ,aTask.TASK_DELTA
,aTask.TASK_STATE , bTask.TASK_ID ,bTask.IRESID,bTask.LRESID
,bTask.TASK_OPKID , bTask.TASK_OPKTYPE , bTask.TASK_JOBCMDSTR
,bTask.TASK_DELTA ,bTask.TASK_STATE,aTask.TASK_TIME,bTask.TASK_TIME from
T_schedule,T_SLOT,T_TASK aTask,T_TASK bTASK where T_Schedule.SCH_ID=?
and T_Schedule.SCH_ID=T_SLOT.SCH_ID and T_SCHEDULE.SCH_ID=aTASK.SCH_ID
and T_SCHEDULE.SCH_ID=bTASK.SCH_ID and aTASK.TASK_ID != bTASK.TASK_ID
group by t_schedule.sch_id
2007-04-12 11:52:44,954 INFO  [STDOUT] MSlotTaskFSM :AQUIRE inside
MSlotTaskFSM of aTask:
2007-04-12 11:52:44,954 INFO  [STDOUT] MSlotTaskFSM :RELEASE inside
MSlotTaskFSM of bTask:
2007-04-12 11:52:44,954 INFO  [STDOUT] Inside ProcessEvent :Schedule Id
is :11:506
2007-04-12 11:52:45,109 WARN
[org.apache.commons.scxml.env.SimpleErrorReporter] NON_DETERMINISTIC
(Multiple conflicting transitions enabled.):  [transition (event =
CreateATaskEvent, cond = _eventdata.slotAvailable=true, from =
/testMain/null/slotState/MSlotInitState, to =
/testMain/null/slotState/MSlotHeldState.aquireSlot), transition (event =
CreateATaskEvent, cond = !_eventdata.slotAvailable, from =
/testMain/null/slotState/MSlotInitState, to =
/testMain/null/slotState/MSlotQueuedState.queueSlot), transition (event
= CreateATaskEvent, cond = _eventdata.slotavailable=true, from =
/testMain/null/slotState/MSlotInitState, to =
/testMain/null/slotState/MSlotLockedState.lockSlot)]
2007-04-12 11:52:45,109 WARN
[org.apache.commons.scxml.env.SimpleErrorReporter] ILLEGAL_CONFIG
(Multiple OR states active for state slotState):
/testMain/null/slotState :
[/testMain/null/slotState/MSlotHeldState.aquireSlot,
/testMain/null/slotState/MSlotQueuedState.queueSlot,
/testMain/null/slotState/MSlotLockedState.lockSlot]
2007-04-12 11:52:45,109 ERROR [com.hp.m.msched.core.MSlotTaskFSM]
Illegal state machine configuration!
org.apache.commons.scxml.model.ModelException: Illegal state machine
configuration!
	at
org.apache.commons.scxml.semantics.SCXMLSemanticsImpl.followTransitions(
SCXMLSemanticsImpl.java:695)
	at
org.apache.commons.scxml.SCXMLExecutor.triggerEvents(SCXMLExecutor.java:
127)
	at
org.apache.commons.scxml.SCXMLExecutor.triggerEvent(SCXMLExecutor.java:1
60)
	at
com.hp.m.msched.core.MSlotTaskFSM.fireEvent(MSlotTaskFSM.java:151)
	at
com.hp.m.msched.core.MScheduleController.processEvent(MScheduleControlle
r.java:71)
	at
com.hp.m.msched.core.MScheduleResourceController.processMessage(MSchedul
eResourceController.java:171)
	at
com.hp.m.msched.mmsg.MSchedSCNMessageHandler.processMessage(MSchedSCNMes
sageHandler.java:38)
	at com.hp.m.mmsg.jms.mdb.MDB.onMessage(MDB.java:49)
	at com.hp.m.mmsg.jms.mdb.MSchedMDB.onMessage(MSchedMDB.java:9)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at
org.jboss.invocation.Invocation.performCall(Invocation.java:359)
	at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(Message
DrivenContainer.java:495)
	at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(
CachedConnectionInterceptor.java:158)
	at
org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInt
erceptor.java:63)
	at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterce
ptor.java:121)
	at
org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInte
rceptorBMT.java:173)
	at
org.jboss.ejb.plugins.MessageDrivenTxInterceptorBMT.invoke(MessageDriven
TxInterceptorBMT.java:47)
	at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDri
venInstanceInterceptor.java:116)
	at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityInter
ceptor.java:109)
	at
org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
	at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryF
inderInterceptor.java:136)
	at
org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDrivenContain
er.java:402)
	at org.jboss.ejb.Container.invoke(Container.java:954)
	at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker
.java:987)
	at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMess
age(JMSContainerInvoker.java:1287)
	at
org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:266)
	at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessage
Consumer.java:902)
	at
org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:170)
	at org.jboss.mq.SpySession.run(SpySession.java:323)
	at
org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194)
	at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecuto
r.java:743)
	at java.lang.Thread.run(Thread.java:534)
2007-04-12 11:52:45,234 INFO  [STDOUT] After process Event : inside
processMessage
2007-04-12 11:52:45,234 INFO  [STDOUT] Inside the
checkForEventsInEventQueue: resId:0:1
2007-04-12 11:52:45,234 INFO  [STDOUT] Before if - Resource Id in
getEventQueue is :0:1
2007-04-12 11:52:45,249 INFO  [STDOUT] Inside if - Resource Id in
getEventQueue is :0:1
2007-04-12 11:52:45,249 INFO  [STDOUT] eventQueue.size():0
2007-04-12 11:52:45,249 INFO  [STDOUT] After  checkForEventsInEventQueue
2007-04-12 11:52:45,265 DEBUG
[com.hp.m.msched.mmsg.MSchedSCNMessageHandler] Finished SCN message
processing
2007-04-12 11:52:45,265 DEBUG [com.hp.m.mmsg.jms.mdb.MDB] Finished
processing the message

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