[rules-users] Exception using persistence
PAYET, Manuel
manuel.payet at capgemini.com
Tue Jun 8 07:42:00 EDT 2010
I've made the same mistake at the beginning:
You'd probably want to replace:
val emf : EntityManagerFactory =
Persistence.createEntityManagerFactory( "org.drools.persistence.jpa" )
val env : Environment = KnowledgeBaseFactory.newEnvironment()
env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf )
val ksession : StatefulKnowledgeSession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
val sessionId = ksession.getId
ksession.startProcess( "Process4" )
ksession.dispose();
By:
UserTransaction ut =
(UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
ut.begin();
val emf : EntityManagerFactory =
Persistence.createEntityManagerFactory( "org.drools.persistence.jpa" )
val env : Environment = KnowledgeBaseFactory.newEnvironment()
env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf )
val ksession : StatefulKnowledgeSession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
val sessionId = ksession.getId
ksession.startProcess( "Process4" )
ksession.dispose();
Ut.commit();
(you didn't open a transaction before ;))
-----Message d'origine-----
De : robert.weissmann at web.de [mailto:robert.weissmann at web.de]
Envoyé : mardi 8 juin 2010 13:42
À : Rules Users List; Mark Proctor; PAYET, Manuel
Objet : Re: [rules-users] Exception using persistence
Ok, let me start from what the drools doc descripes at
http://downloads.jboss.com/drools/docs/5.0.1.26597.FINAL/drools-flow/html_single/index.html#d0e1458
Here is my code
val kbuilder: KnowledgeBuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder
kbuilder.add(ResourceFactory.newClassPathResource("processes/process4.rf"),
ResourceType.DRF);
val kbase: KnowledgeBase = kbuilder.newKnowledgeBase
val ds : PoolingDataSource = new PoolingDataSource()
ds.setUniqueName("jdbc/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
val emf : EntityManagerFactory =
Persistence.createEntityManagerFactory( "org.drools.persistence.jpa" )
val env : Environment = KnowledgeBaseFactory.newEnvironment()
env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf )
val ksession : StatefulKnowledgeSession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
val sessionId = ksession.getId
ksession.startProcess( "Process4" )
ksession.dispose();
and the persistence.xml:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <persistence
version="1.0"
xsi:schemaLocation=
"http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd
http://java.sun.com/xml/ns/persistence/orm
http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/persistence">
<persistence-unit name="org.drools.persistence.jpa">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>jdbc/processInstanceDS</jta-data-source>
<class>org.drools.persistence.session.SessionInfo</class>
<class>org.drools.persistence.processinstance.ProcessInstanceInfo</class>
<class>org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo</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>
Thats pretty much whats in the drools doc.
But I get
08.06.2010 13:31:52 org.hibernate.cfg.annotations.Version <clinit>
INFO: Hibernate Annotations 3.4.0.GA
08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.3.0.SP1
08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
08.06.2010 13:31:52 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: Bytecode provider name : javassist 08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling 08.06.2010 13:31:52 org.hibernate.annotations.common.Version <clinit>
INFO: Hibernate Commons Annotations 3.1.0.GA 08.06.2010 13:31:52 org.hibernate.ejb.Version <clinit>
INFO: Hibernate EntityManager 3.4.0.GA
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:
org.drools.persistence.session.SessionInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.session.SessionInfo on table SessionInfo 08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:
org.drools.persistence.processinstance.ProcessInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity
org.drools.persistence.processinstance.ProcessInstanceInfo on table ProcessInstanceInfo 08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:
org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity
org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo
on table VariableInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:
org.drools.persistence.processinstance.WorkItemInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.processinstance.WorkItemInfo on table WorkItemInfo 08.06.2010 13:31:54 org.hibernate.cfg.annotations.CollectionBinder
bindOneToManySecondPass
INFO: Mapping collection:
org.drools.persistence.processinstance.ProcessInstanceInfo.variables -> VariableInstanceInfo 08.06.2010 13:31:54 org.hibernate.cfg.AnnotationConfiguration
secondPassCompile
INFO: Hibernate Validator not found: ignoring 08.06.2010 13:31:54 org.hibernate.cfg.search.HibernateSearchEventListenerRegister
enableHibernateSearch
INFO: Unable to find org.hibernate.search.event.FullTextIndexEventListener
on the classpath. Hibernate Search is not enabled.
08.06.2010 13:31:54 org.hibernate.util.NamingHelper getInitialContext
INFO: JNDI InitialContext properties:{}
08.06.2010 13:31:54 org.hibernate.connection.DatasourceConnectionProvider
configure
INFO: Using datasource: jdbc/processInstanceDS 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: RDBMS: H2, version: 1.0.77 (2008-08-16) 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC driver: H2 JDBC Driver, version: 1.0.77 (2008-08-16) 08.06.2010 13:31:56 org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.H2Dialect 08.06.2010 13:31:56 org.hibernate.transaction.TransactionFactoryFactory
buildTransactionFactory
INFO: Transaction strategy:
org.hibernate.ejb.transaction.JoinableCMTTransactionFactory
08.06.2010 13:31:56
org.hibernate.transaction.TransactionManagerLookupFactory
getTransactionManagerLookup
INFO: instantiating TransactionManagerLookup:
org.hibernate.transaction.BTMTransactionManagerLookup
08.06.2010 13:31:56
org.hibernate.transaction.TransactionManagerLookupFactory
getTransactionManagerLookup
INFO: instantiated TransactionManagerLookup 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Connection release mode: auto
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 3
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL inserts for batching: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
08.06.2010 13:31:56 org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JPA-QL strict compliance: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory createRegionFactory
INFO: Cache region factory :
org.hibernate.cache.impl.NoCachingRegionFactory
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Echoing all SQL to stdout
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled 08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Named query checking : enabled
08.06.2010 13:31:56 org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
08.06.2010 13:31:57 org.hibernate.impl.SessionFactoryObjectFactory
addInstance
INFO: Not binding factory to JNDI, no JNDI name configured 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: Running hbm2ddl schema update
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: fetching database metadata
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: updating schema
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.PROCESSINSTANCEINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [externalvariables, startdate, lastreaddate, state, processinstancebytearray, optlock, processid, lastmodificationdate, processinstanceid] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_4]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found:
PROCESS-INSTANCE-DB.PUBLIC.PROCESSINSTANCEINFO_EVENTTYPES
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [element, processinstanceinfo_processinstanceid]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: [fk2fd59d8cbee4613c] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [fk2fd59d8cbee4613c_index_b] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.SESSIONINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [rulesbytearray, id, startdate, dirty, lastmodificationdate] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_7]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.VARIABLEINSTANCEINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [id, persister, name, type, processid] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: [fk7be49b9f9123c534] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [fk7be49b9f9123c534_index_2, primary_key_2] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.WORKITEMINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [workitembytearray, name, workitemid, state, optlock, creationdate, processinstanceid] 08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_b]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: schema update complete
08.06.2010 13:31:57 bitronix.tm.BitronixTransactionManager logVersion
INFO: Bitronix Transaction Manager version 1.3.2 08.06.2010 13:31:57 bitronix.tm.Configuration buildServerIdArray
WARNUNG: cannot get this JVM unique ID. Make sure it is configured and you only use ASCII characters. Will use IP address instead (unsafe for production usage!).
08.06.2010 13:31:58 bitronix.tm.Configuration buildServerIdArray
INFO: JVM unique ID: <192.168.254.2>
08.06.2010 13:31:58 bitronix.tm.journal.DiskJournal open
WARNUNG: active log file is unclean, previous server crash ?
08.06.2010 13:31:58 bitronix.tm.recovery.Recoverer run
INFO: recovery committed 0 dangling transaction(s) and rolled back 0 aborted transaction(s) on 1 resource(s) [jdbc/processInstanceDS] 08.06.2010 13:31:58 org.eclipse.jetty.util.log.Slf4jLog info
INFO: Logging to
org.slf4j.impl.JDK14LoggerAdapter(org.eclipse.jetty.util.log) via org.eclipse.jetty.util.log.Slf4jLog
Exception in thread "main" java.lang.RuntimeException: Could not commit session
at
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:133)
at
org.drools.persistence.jpa.impl.JPAKnowledgeServiceProviderImpl.newStatefulKnowledgeSession(JPAKnowledgeServiceProviderImpl.java:44)
at
org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:93)
at com.rob.tests.AnyTest$.test2(AnyTest.scala:44)
at com.rob.tests.AnyTest$.main(AnyTest.scala:18)
at com.rob.tests.AnyTest.main(AnyTest.scala)
Caused by: javax.naming.NameNotFoundException; remaining name 'UserTransaction'
at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:576)
at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:663)
at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:678)
at
org.eclipse.jetty.jndi.java.javaRootURLContext.lookup(javaRootURLContext.java:110)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
... 5 more
(This test is in a class file called "AnyTest.scala")
Cheers, Rob
P.S. Thanks for your patience and help.
Am 08.06.2010, 09:44 Uhr, schrieb PAYET, Manuel
<manuel.payet at capgemini.com>:
> Robert, what's your application server, or your transaction manager?
> I successfully tested with bitronix in my J2SE application, and with
> the jboss application server transaction manager.
>
> I don't have any further idea for your problem, but, from my own point
> of view, it's not so dirty to bind it to java:comp/UserTransaction,
> and is probably your only way to do things without patching the code
> (as you seem to have seen in the source code
> "java:comp/UserTransaction" is not in a variable so...
>
> -----Message d'origine-----
> De : robert.weissmann at web.de [mailto:robert.weissmann at web.de] Envoyé :
> lundi 7 juin 2010 20:50 À : Rules Users List; Mark Proctor; PAYET,
> Manuel Objet : Re: [rules-users] Exception using persistence
>
> For additional information:
>
> JPAKnowledgeService.newStatefulKnowledgeSession uses
>
> org.drools.persistence.session.SingleSessionCommandService
>
> where "java:comp/UserTransaction" is used (I checked the drools source
> code). Looks like there is no way to change this.
>
> I just wonder that I am the only one having this problem.
>
> As I said "comp/UserTransaction" works, but "java:comp/UserTransaction"
> doesn't, but in the docs "java:comp/UserTransaction" is used !?!?!?
>
> Cheers, Rob.
>
> Am 07.06.2010, 16:22 Uhr, schrieb PAYET, Manuel
> <manuel.payet at capgemini.com>:
>
>> It's probably that your transaction manager, for an odd reason,
>> doesn't bind with the good name; You can do the following workaround:
>>
>> Final InitialContext initContext = new InitialContext();
>> initContext.bind("java:comp/UserTransaction",initContext.lookup("comp
>> /
>> UserTransaction"));
>>
>> And voila, those two jndi name should point to the same object.
>>
>> I stress the fact that what I've written hasn't been tested.
>>
>> -----Message d'origine-----
>> De : rules-users-bounces at lists.jboss.org
>> [mailto:rules-users-bounces at lists.jboss.org] De la part de Robert
>> Envoyé : lundi 7 juin 2010 16:16 À : rules-users at lists.jboss.org;
>> Mark Proctor Objet : Re: [rules-users] Exception using persistence
>>
>> Hi,
>>
>> still struggling with this one (see below),
>>
>> but I did a slide change in the test-code
>>
>> try {
>> val env = new java.util.Hashtable[String, String]
>> env.put(Context.INITIAL_CONTEXT_FACTORY,
>> "bitronix.tm.jndi.BitronixInitialContextFactory")
>> val ctx = new InitialContext(env)
>> val ut1 : UserTransaction = (ctx.lookup(
>> "java:comp/UserTransaction")).asInstanceOf[UserTransaction]
>> } catch {
>> case ex: Exception => ex.printStackTrace()
>> }
>>
>> (Sorry, code is in Scala, but should not be a problem to read it).
>>
>> Instead of "java:comp/UserTransaction" (as written in the docs) I
>> wrote "comp/UserTransaction" and it works.
>>
>> But since this is some test-code and I am able to do the look-up as I
>> want ("comp/UserTransaction"), as soon as I use
>>
>>
>> JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
>>
>>
>> I have no influence anymore (its drools-code ;-) and it looks like
>> its using internally "java:comp/UserTransaction".
>>
>>
>> Is there any way to change this (setting it) ?
>>
>> Cheers, Rob
>>
>>
>>
>> Am 01.06.2010, 23:54 Uhr, schrieb Robert <robert.weissmann at web.de>:
>>
>>> Well, I tried this but it does not work.
>>>
>>> Checking additionally the BitronixInitialContextFactory API where it
>>> says:
>>>
>>> ---------------------------------------------
>>> "Implementation of InitialContextFactory that allows lookup of
>>> transaction manager and registered resources.
>>>
>>> The easiest way to use this provider is to create a jndi.properties
>>> file in your classpath with this content:
>>> java.naming.factory.initial=bitronix.tm.jndi.BitronixInitialContextF
>>> a c tory Alternatively, you can create a InitialContext object with
>>> an environment pointing to this class:
>>> Hashtable env = new Hashtable();
>>> env.put(Context.INITIAL_CONTEXT_FACTORY,
>>> "bitronix.tm.jndi.BitronixInitialContextFactory");
>>> Context ctx = new InitialContext(env);
>>>
>>> The transaction manager can be looked up at the standard URL
>>> java:comp/UserTransaction while resources can be looked up using
>>> their unique name as set in ResourceBean.getUniqueName(). "
>>> ---------------------------------------------
>>>
>>>
>>> So, I tried the following ( Its in Scala, but shouldn't be a problem
>>> to
>>> read):
>>>
>>> try {
>>> val env = new java.util.Hashtable[String, String]
>>> env.put(Context.INITIAL_CONTEXT_FACTORY,
>>> "bitronix.tm.jndi.BitronixInitialContextFactory");
>>> val ctx = new InitialContext(env);
>>> val ut1 : UserTransaction = (ctx.lookup(
>>> "java:comp/UserTransaction"
>>> )).asInstanceOf[UserTransaction]
>>> } catch {
>>> case ex: Exception => ex.printStackTrace()
>>> }
>>>
>>>
>>> But still getting the same problem as before at line "val ut1 : ...".
>>>
>>> What I do not get is that the Bitronix API says that the standard
>>> URL is "java:comp/UserTransaction", but its somehow not found !?!?!?
>>>
>>> Any ideas ?
>>>
>>> Cheers, Rob.
>>>
>>>
>>>
>>> Am 31.05.2010, 02:54 Uhr, schrieb Mark Proctor <mproctor at codehaus.org>:
>>>
>>>> On 30/05/2010 20:28, Robert wrote:
>>>>> Hi, I followed the instructions on setting up the persistence in
>>>>> the drools flow doc, but I get the following exception:
>>>>>
>>>>>
>>>>> Exception in thread "main" java.lang.RuntimeException: Could not
>>>>> commit session
>>>>> at
>>>>> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:133)
>>>>> at
>>>>> org.drools.persistence.jpa.impl.JPAKnowledgeServiceProviderImpl.newStatefulKnowledgeSession(JPAKnowledgeServiceProviderImpl.java:44)
>>>>> at
>>>>> org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:93)
>>>>> at
>>>>> com.rob.server.core.process.drools.tasks.DroolsProcessHandler.<init>(DroolsProcessHandler.scala:130)
>>>>> at
>>>>> com.rob.server.core.process.drools.tasks.StartDroolsProcessHandler$.main(DroolsProcessHandler.scala:33)
>>>>> at
>>>>> com.rob.server.core.process.drools.tasks.StartDroolsProcessHandler.
>>>>> m
>>>>> ain(DroolsProcessHandler.scala) Caused by:
>>>>> javax.naming.NameNotFoundException; remaining name 'UserTransaction'
>>>>> at
>>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:576)
>>>>> at
>>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:663)
>>>>> at
>>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:678)
>>>>> at
>>>>> org.eclipse.jetty.jndi.java.javaRootURLContext.lookup(javaRootURLContext.java:110)
>>>>> at javax.naming.InitialContext.lookup(InitialContext.java:392)
>>>>> at
>>>>> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
>>>>> ... 5 more
>>>>>
>>>>>
>>>>> I have no idea what this means. I guess
>>>>> SingleSessionCommandService is looking up for "UserTransaction", but whats the "UserTransaction"
>>>>> ?
>>>>>
>>>> You need to configure JTA and JNDI, it uses the standard JNDI
>>>> lookup mechanism to find the UserTransaction it's to be associated with.
>>>> See javadocs example here:
>>>> http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artif
>>>> a
>>>> c
>>>> t/trunk/target/javadocs/stable/drools-api/org/drools/persistence/jp
>>>> a
>>>> /
>>>> JPAKnowledgeService.html
>>>>
>>>> Each transaction framework has a different way to be configured,
>>>> some are simpler than others.
>>>>
>>>> Mark
>>>>> Cheers, Rob.
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> rules-users mailing list
>>>> rules-users at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>
>>>
>>
>>
>> --
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>> http://www.opera.com/mail/
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>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>>
>>
>>
>>
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