[rules-dev] Drools Flow Persisternce Stack Overflow Error
premkumar
premkumar.sivanandan at gmail.com
Thu Oct 8 07:26:40 EDT 2009
Hi,
Please help us on the bleow issue to take a decision on choosing
workflow engines as Drools Flow or an JBPM since persistence support is one
of our key criteria.
Thanks
Prem
premkumar wrote:
>
> Little insight about this project Timekeeper Management system where
> workflow has timekeeper time sumbit, admin will send the time to speart
> Reviewer(S) for verifcation as a sub process, after verification from
> reviewers admin aproves and move this to billing team.
>
> There may "N" processInstance is running in memory and have to choose
> apporpriate one.
>
> In My rule condition am getting processInstance object am not sure with
> out inserting to session the processinstance object not available to my
> rules
>
> processInstance:WorkflowProcessInstance() -- This not reteriving when i
> am insert the WorkflowProcessInstance into session due to this my rule is
> failing, but once i have inserted to session
> [session.insert(processInstance)] the rule is working fine.
>
> This rule automattically triggered from drools Flow using RuleFlowGroup
> node.
>
> below the rule code snippet
>
> rule "Active Live Request Check" ruleflow-group "TK_Validate"
> dialect "java"
> when
> tkRequest:TKRequest (reqStatus == "Initiate")
> processInstance:WorkflowProcessInstance()
> tkRequestDAO:TKRequestDAO()
> then
>
> // Do my custom operation, status change, persistence
> upate
>
> end
>
> Thanks
> Prem
>
>
> Mauricio Salatino wrote:
>>
>> Hi, no problem.
>> Basically you don't need to pass the ProcessInstance to the rules,
>> because
>> you can make inferences using the information inside the process instance
>> in
>> your rules.
>> If you can share what you want to do in your rules, I can help you..
>> Greetings
>>
>> On Tue, Oct 6, 2009 at 8:31 AM, premkumar
>> <premkumar.sivanandan at gmail.com>wrote:
>>
>>>
>>> Thanks Maurico on your response. yes i am using bitronics .
>>>
>>> I have identified why this error happens when i have insert
>>> ProcessInstance
>>> obect to session as a fact to made available them in drools rule file
>>> conditions both LHS and RHS. Since the process instance is not
>>> implements
>>> Serializable.
>>>
>>> Let me give details about me project tt is spring based web project with
>>> hibernate .
>>>
>>> If you have any inputs how can i pass ProcessInstance object to Rules
>>> when
>>> am using JPAKnowledgeService.
>>>
>>>
>>> Find the Persistence.xml below
>>>
>>> <persistence-unit name="org.drools.persistence.jpa"
>>> transaction-type="JTA">
>>> <provider>org.hibernate.ejb.HibernatePersistence</provider>
>>> <jta-data-source>processInstanceDS</jta-data-source>
>>> <class>org.drools.persistence.session.SessionInfo</class>
>>>
>>> <class>org.drools.persistence.processinstance.ProcessInstanceInfo</class>
>>>
>>>
>>> <class>org.drools.persistence.processinstance.ProcessInstanceEventInfo</class>
>>> <class>org.drools.persistence.processinstance.WorkItemInfo</class>
>>>
>>> <properties>
>>> <property name="hibernate.dialect"
>>> value="org.hibernate.dialect.H2Dialect"/>
>>> <property name="hibernate.max_fetch_depth" value="3"/>
>>> <property name="hibernate.hbm2ddl.auto" value="update"/>
>>> <property name="hibernate.show_sql" value="true"/>
>>> <property name="hibernate.transaction.manager_lookup_class"
>>>
>>> value="org.hibernate.transaction.BTMTransactionManagerLookup"/>
>>> </properties>
>>> </persistence-unit>
>>> </persistence>
>>>
>>> Datasource intialization code
>>>
>>> PoolingDataSource ds = new PoolingDataSource();
>>> ds.setUniqueName("processInstanceDS");
>>>
>>> ds.setClassName("org.h2.jdbcx.JdbcDataSource");
>>> ds.setMaxPoolSize(3);
>>> ds.setAllowLocalTransactions(true);
>>> ds.getDriverProperties().put("user", "sa");
>>> ds.getDriverProperties().put("password", "sasa");
>>> ds.getDriverProperties().put("URL",
>>> "jdbc:h2:file:/NotBackedUp/data/process-instance-db");
>>> ds.init()
>>> Thanks
>>> Prem
>>>
>>>
>>> Mauricio Salatino wrote:
>>> >
>>> > are you using bitronix and an EJB3 container?
>>> > can you explain us your infrastructure? what kind of projects do you
>>> have,
>>> > etc.
>>> > Thanks!
>>> >
>>> > On Tue, Oct 6, 2009 at 2:18 AM, premkumar
>>> > <premkumar.sivanandan at gmail.com>wrote:
>>> >
>>> >>
>>> >> Hi
>>> >>
>>> >> I am new to drools flow and trying to use the persistence using
>>> >> JPAKnowledgeService. When i tried that got the stack overflow error
>>> in
>>> H2
>>> >> db.
>>> >>
>>> >> Can any one provide the guidance how to resolve this.
>>> >>
>>> >> The exception trace is below
>>> >>
>>> >> Hibernate: insert into SessionInfo (id, dirty, lastModificationDate,
>>> >> rulesByteArray, startDate) values (null, ?, ?, ?, ?)
>>> >> After the persistence Session @@@@@@
>>> >> Oct 6, 2009 2:42:21 PM bitronix.tm.twopc.Preparer prepare
>>> >> WARNING: executing transaction with 0 enlisted resource
>>> >> Oct 6, 2009 2:42:21 PM bitronix.tm.twopc.Preparer prepare
>>> >> WARNING: executing transaction with 0 enlisted resource
>>> >> Oct 6, 2009 2:42:22 PM bitronix.tm.twopc.Preparer prepare
>>> >> WARNING: executing transaction with 0 enlisted resource
>>> >> Hibernate: insert into ProcessInstanceInfo (processInstanceId,
>>> >> externalVariables, lastModificationDate, lastReadDate, processId,
>>> >> processInstanceByteArray, startDate, state, OPTLOCK) values (null, ?,
>>> ?,
>>> >> ?,
>>> >> ?, ?, ?, ?, ?)
>>> >> Hibernate: insert into WorkItemInfo (workItemId, creationDate, name,
>>> >> processInstanceId, state, OPTLOCK, workItemByteArray) values (null,
>>> ?,
>>> ?,
>>> >> ?,
>>> >> ?, ?, ?)
>>> >> Executing work item WorkItem 22 [name=Human Task, state=0,
>>> >> processInstanceId=21, parameters{ActorId=Admin, Comment=Raise Tk
>>> Request,
>>> >> Skippable=false, TaskName=Raise Tk Request}]
>>> >> Hibernate: update ProcessInstanceInfo set externalVariables=?,
>>> >> lastModificationDate=?, lastReadDate=?, processId=?,
>>> >> processInstanceByteArray=?, startDate=?, state=?, OPTLOCK=? where
>>> >> processInstanceId=? and OPTLOCK=?
>>> >> Hibernate: insert into ProcessInstanceInfo_eventTypes
>>> >> (ProcessInstanceInfo_processInstanceId, element) values (?, ?)
>>> >> Hibernate: delete from WorkItemInfo where workItemId=? and OPTLOCK=?
>>> >> Hibernate: update SessionInfo set dirty=?, lastModificationDate=?,
>>> >> rulesByteArray=?, startDate=? where id=?
>>> >> ****** ut ******* a BitronixTransactionManager with 0 in-flight
>>> >> transaction(s)
>>> >> Oct 6, 2009 2:42:22 PM bitronix.tm.BitronixTransaction
>>> >> fireBeforeCompletionEvent
>>> >> WARNING: Synchronization.beforeCompletion() call failed for
>>> >> org.hibernate.ejb.AbstractEntityManagerImpl$1 at 1824d2c, marking
>>> >> transaction
>>> >> as rollback only
>>> >> javax.persistence.PersistenceException: java.lang.RuntimeException:
>>> >> java.lang.StackOverflowError
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)
>>> >> at
>>> >>
>>> >>
>>> bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:366)
>>> >> at
>>> >> bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:142)
>>> >> at
>>> >>
>>> >>
>>> bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:96)
>>> >> at
>>> >>
>>> >>
>>> org.drools.persistence.session.SingleSessionCommandService.execute(SingleSessionCommandService.java:258)
>>> >> at
>>> >>
>>> >>
>>> org.drools.command.impl.CommandBasedStatefulKnowledgeSession.insert(CommandBasedStatefulKnowledgeSession.java:305)
>>> >> at com.sample.POCTestClient.main(POCTestClient.java:57)
>>> >> Caused by: java.lang.RuntimeException: java.lang.StackOverflowError
>>> >> at
>>> >> org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:31)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)
>>> >> at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027)
>>> >> at
>>> >> org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
>>> >> at
>>> >>
>>> >>
>>> org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)
>>> >> ... 6 more
>>> >> Caused by: java.lang.StackOverflowError
>>> >>
>>> >> thanks
>>> >> Prem
>>> >> --
>>> >> View this message in context:
>>> >>
>>> http://www.nabble.com/Drools-Flow-Persisternce-Stack-Overflow-Error-tp25765337p25765337.html
>>> >> Sent from the drools - dev mailing list archive at Nabble.com.
>>> >>
>>> >> _______________________________________________
>>> >> rules-dev mailing list
>>> >> rules-dev at lists.jboss.org
>>> >> https://lists.jboss.org/mailman/listinfo/rules-dev
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > - http://salaboy.wordpress.com
>>> > - http://www.jbug.com.ar
>>> > - Salatino "Salaboy" Mauricio -
>>> >
>>> > _______________________________________________
>>> > rules-dev mailing list
>>> > rules-dev at lists.jboss.org
>>> > https://lists.jboss.org/mailman/listinfo/rules-dev
>>> >
>>> >
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Drools-Flow-Persisternce-Stack-Overflow-Error-tp25765337p25771029.html
>>> Sent from the drools - dev mailing list archive at Nabble.com.
>>>
>>> _______________________________________________
>>> rules-dev mailing list
>>> rules-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>
>>
>>
>>
>> --
>> - http://salaboy.wordpress.com
>> - http://www.jbug.com.ar
>> - Salatino "Salaboy" Mauricio -
>>
>> _______________________________________________
>> rules-dev mailing list
>> rules-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>
>>
>
>
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