Re: [rules-users] Multiple Object Referencing problem

Sorry, I don't have access to that code. If you post the code, we may be able to give you more help. dave On Tue, Jun 8, 2010 at 9:28 AM, Fnu Mahalakshmi <FMahalakshmi(a)nyx.com&gt;wrote: > > Hi Esteban, > > I am getting the error at a place where I am trying to write back from my > working memory to my output file. > It is happening because the second rule to turn on the sprinkler does not > work and as a result a null value is getting stored. > Is it possible that there can exists 2 different Room() objects with the > same room.name ?? > Because the room objects are getting stored from different files to the > working memory ?? > Do you think it better to store room objects in a separate list?? > I store all information into a list and load that into the memory. > Am I going wrong here? > > Please help. > > Thank you. > -M > -----Original Message----- > From: rules-users-bounces(a)lists.jboss.org [mailto: > rules-users-bounces(a)lists.jboss.org] On Behalf Of > rules-users-request(a)lists.jboss.org > Sent: Tuesday, June 08, 2010 8:40 AM > To: rules-users(a)lists.jboss.org > Subject: rules-users Digest, Vol 43, Issue 36 > > Send rules-users mailing list submissions to > rules-users(a)lists.jboss.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.jboss.org/mailman/listinfo/rules-users > or, via email, send a message with subject or body 'help' to > rules-users-request(a)lists.jboss.org > > You can reach the person managing the list at > rules-users-owner(a)lists.jboss.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of rules-users digest..." > > > Today's Topics: > > 1. Re: Multiple Object Referencing problem (Esteban Aliverti) > 2. Re: Exception using persistence (Alan.Gairey(a)tessella.com) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 8 Jun 2010 09:25:47 -0300 > From: Esteban Aliverti <esteban.aliverti(a)gmail.com&gt; > Subject: Re: [rules-users] Multiple Object Referencing problem > To: Rules Users List <rules-users(a)lists.jboss.org&gt; > Message-ID: > <AANLkTilCFcZwhX6uthWz3tIvkJXdtqVKXcb0uG-rqm91(a)mail.gmail.com&gt; > Content-Type: text/plain; charset="windows-1252" > > Look at the line 58 of RulesTest class and you will find the problem. Try > to > always analyse the stacktrace if there are no drools classes involved, > then > it is not a Drools error. And remember, the debugger is your friend ;) > > Best, > > 2010/6/7 David Sinclair <dsinclair(a)chariotsolutions.com&gt; > > > This has nothing to do with Drools. It looks like you are giving Writer > bad > > input perhaps?? > > > > Exception in thread "main" *java.lang.NullPointerException* > > > > at java.io.Writer.write(Unknown Source) > > > > at com.org.RulesTest.main(*RulesTest.java:58*) > > > > > > > > > > 2010/6/7 Fnu Mahalakshmi <FMahalakshmi(a)nyx.com&gt; > > > >> Hi, > >> > >> > >> > >> I am trying out this example from the book : > >> > >> public class Room { > >> > >> private String name > >> > >> // getter and setter methods here > >> > >> } > >> > >> public classs Sprinkler { > >> > >> private Room room; > >> > >> private boolean on; > >> > >> // getter and setter methods here > >> > >> } > >> > >> public class Fire { > >> > >> private Room room; > >> > >> // getter and setter methods here > >> > >> } > >> > >> > >> > >> I load 2 input files: 1. with data of fire and Room { f1, r1;f2, r2} > >> > >> 2. with data of sprinkler and Room { ? ?, > r1; ? > >> ? , r2} > >> > >> > >> > >> I am writing rule ? if fire exists in room start sprinkler? { so if f1 > and > >> r1 in this case: I should get s1, r1 } > >> > >> when > >> > >> Fire($room : room) > >> > >> $sprinkler : Sprinkler( room == $room, modified == false ) > >> > >> Then > >> > >> $sprinkler.setmodified(true); > >> > >> modify( $sprinkler ) { setSprinkle( ?s1? ) }; > >> > >> end > >> > >> > >> > >> But this gives me error: > >> > >> Exception in thread "main" *java.lang.NullPointerException* > >> > >> at java.io.Writer.write(Unknown Source) > >> > >> at com.org.RulesTest.main(*RulesTest.java:58*) > >> > >> > >> > >> From what I observed this rule is not getting fired at all. > >> > >> I want this rule to be fired on the data in my second input file. > >> > >> The rules for my first input file get executed properly. > >> > >> > >> > >> Can any1 tell me where I am going wrong?? > >> > >> Is there any way in which we can use the modified data { after rules > are > >> fired on the first input data and it is modified}to fire another set > of > >> rules on the same input depending on the next input file??? > >> > >> > >> > >> Thank you. > >> > >> > >> > >> -M > >> > >> ------------------------------ > >> > >> *Please consider the environment before printing this email.* > >> > >> *Visit our website at http://www.nyse.com > >> > ***************************************************************************** > >> > >> Note: The information contained in this message and any attachment to > it > >> is privileged, confidential and protected from disclosure. If the > reader of > >> this message is not the intended recipient, or an employee or agent > >> responsible for delivering this message to the intended recipient, you > are > >> hereby notified that any dissemination, distribution or copying of this > >> communication is strictly prohibited. If you have received this > >> communication in error, please notify the sender immediately by > replying to > >> the message, and please delete it from your system. Thank you. NYSE > >> Euronext. * > >> > >> > >> _______________________________________________ > >> rules-users mailing list > >> rules-users(a)lists.jboss.org > >> https://lists.jboss.org/mailman/listinfo/rules-users > >> > >> > > > > _______________________________________________ > > rules-users mailing list > > rules-users(a)lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > > -- > XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > > Esteban Aliverti > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://lists.jboss.org/pipermail/rules-users/attachments/20100608/b5cfc18... > > ------------------------------ > > Message: 2 > Date: Tue, 8 Jun 2010 13:39:37 +0100 > From: Alan.Gairey(a)tessella.com > Subject: Re: [rules-users] Exception using persistence > To: Rules Users List <rules-users(a)lists.jboss.org&gt; > Message-ID: > < > OF191C8E5F.AE0A5A9C-ON8025773C.00455DD5-8025773C.00458BB0(a)tessella.co.uk&gt; > > Content-Type: text/plain; charset="iso-8859-1" > > Robert, > > Try this: > > create a directory called META-INF in your classpath > in that directory, add a file called jndi.properties > in that file, add the line: > java.naming.factory.initial=bitronix.tm.jndi.BitronixInitialContextFactory > > Does that fix things? > > Alan > > > > > Robert <robert.weissmann(a)web.de&gt; > Sent by: rules-users-bounces(a)lists.jboss.org > 08/06/2010 13:22 > Please respond to > Rules Users List <rules-users(a)lists.jboss.org&gt; > > > To > "Rules Users List" <rules-users(a)lists.jboss.org&gt;, "Mark Proctor" > <mproctor(a)codehaus.org&gt;, "PAYET, Manuel" <manuel.payet(a)capgemini.com&gt; > cc > > Subject > Re: [rules-users] Exception using persistence > > > > > > > I did, but I get the same Exception as before, but on this new line > > > UserTransaction ut = (UserTransaction) new > InitialContext().lookup("java:comp/UserTransaction" ); > > > 08.06.2010 14:10:58 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" 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 com.rob.tests.AnyTest$.test2(AnyTest.scala:38) > at com.rob.tests.AnyTest$.main(AnyTest.scala:18) > at com.rob.tests.AnyTest.main(AnyTest.scala) > > > I still don't understand where the "java:comp/UserTransaction" will be > accessible/come-from/being-created ... ? > > > Am 08.06.2010, 13:42 Uhr, schrieb PAYET, Manuel > <manuel.payet(a)capgemini.com&gt;: > > > 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(a)web.de [mailto:robert.weissmann@web.de] > > Envoy? : mardi 8 juin 2010 13:42 > > ? : 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... > > > > > 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(a)capgemini.com&gt;: > > > >> 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(a)web.de [mailto:robert.weissmann@web.de] Envoy? : > >> lundi 7 juin 2010 20:50 ? : 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(a)capgemini.com&gt;: > >> > >>> 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(a)lists.jboss.org > >>> [mailto:rules-users-bounces@lists.jboss.org] De la part de Robert > >>> Envoy? : lundi 7 juin 2010 16:16 ? : rules-users(a)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(a)web.de&gt;: > >>> > >>>> 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(a)codehaus.org&gt;: > >>>> > >>>>> 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(a)lists.jboss.org > >>>>> https://lists.jboss.org/mailman/listinfo/rules-users > >>>> > >>>> > >>> > >>> > >>> -- > >>> Erstellt mit Operas revolution?rem E-Mail-Modul: > >>> http://www.opera.com/mail/ > >>> _______________________________________________ > >>> rules-users mailing list > >>> rules-users(a)lists.jboss.org > >>> https://lists.jboss.org/mailman/listinfo/rules-users > >>> > >>> > >>> > >>> > >>> > >>> > >>> This message contains information that may be privileged or > >>> confidential and is the property of the Capgemini Group. 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