Hi Mauricio,
Sorry for late replying, actually office is Off on Saturday's and Sundays.
Full stack trace is :

Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.Version <clinit>
INFO: Hibernate Annotations 3.4.0.GA
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.3.1.GA
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: Bytecode provider name : javassist
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling
Oct 12, 2009 9:32:56 AM org.hibernate.annotations.common.Version <clinit>
INFO: Hibernate Commons Annotations 3.1.0.GA
Oct 12, 2009 9:32:56 AM org.hibernate.ejb.Version <clinit>
INFO: Hibernate EntityManager 3.4.0.GA
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.QueryBinder bindQuery
INFO: Binding Named query: ProcessInstancesWaitingForEvent => select processInstanceInfo.processInstanceId from ProcessInstanceInfo processInstanceInfo where :type in elements(processInstanceInfo.eventTypes)
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.QueryBinder bindQuery
INFO: Binding Named query: VariableInstancesInfoByProcessId => select v from VariableInstanceInfo v where v.processInstanceInfo.id = :processId
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.session.SessionInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.session.SessionInfo on table SessionInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.processinstance.ProcessInstanceInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.processinstance.ProcessInstanceInfo on table ProcessInstanceInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.processinstance.WorkItemInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.processinstance.WorkItemInfo on table WorkItemInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo on table VariableInstanceInfo
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.processinstance.variabletypes.JPAPersistedVariable
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.drools.persistence.processinstance.variabletypes.SerializablePersistedVariable
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.plugtree.labs.variablepersistence.StringPersistedVariable
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class: org.plugtree.labs.variablepersistence.MyEntity
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.plugtree.labs.variablepersistence.MyEntity on table MyEntity
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.AnnotationConfiguration secondPassCompile
INFO: Hibernate Validator not found: ignoring
Oct 12, 2009 9:32:56 AM org.hibernate.ejb.Ejb3Configuration configure
WARNING: hibernate.connection.autocommit = false break the EJB3 specification
Oct 12, 2009 9:32:56 AM org.hibernate.cfg.search.HibernateSearchEventListenerRegister enableHibernateSearch
INFO: Unable to find org.hibernate.search.event.FullTextIndexEventListener on the classpath. Hibernate Search is not enabled.
Oct 12, 2009 9:32:56 AM org.hibernate.util.NamingHelper getInitialContext
INFO: JNDI InitialContext properties:{}
Oct 12, 2009 9:32:56 AM org.hibernate.connection.DatasourceConnectionProvider configure
INFO: Using datasource: jdbc/testDS1
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: RDBMS: MySQL, version: 5.0.51a-community-nt
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-5.0.4 ( $Date: 2006-10-19 17:47:48 +0200 (Thu, 19 Oct 2006) $, $Revision: 5908 $ )
Oct 12, 2009 9:32:57 AM org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQL5Dialect
Oct 12, 2009 9:32:57 AM org.hibernate.transaction.TransactionFactoryFactory buildTransactionFactory
INFO: Transaction strategy: org.hibernate.ejb.transaction.JoinableCMTTransactionFactory
Oct 12, 2009 9:32:57 AM org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup
INFO: instantiating TransactionManagerLookup: org.hibernate.transaction.BTMTransactionManagerLookup
Oct 12, 2009 9:32:57 AM org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup
INFO: instantiated TransactionManagerLookup
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Connection release mode: auto
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 3
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL inserts for batching: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
Oct 12, 2009 9:32:57 AM org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: JPA-QL strict compliance: enabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory createRegionFactory
INFO: Cache region factory : org.hibernate.cache.impl.NoCachingRegionFactory
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
Oct 12, 2009 9:32:57 AM org.hibernate.cfg.SettingsFactory buildSettings
INFO: Named query checking : enabled
Oct 12, 2009 9:32:57 AM org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
Oct 12, 2009 9:32:57 AM org.hibernate.impl.SessionFactoryObjectFactory addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
Oct 12, 2009 9:32:57 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: Running hbm2ddl schema export
Oct 12, 2009 9:32:57 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: exporting generated schema to database
Oct 12, 2009 9:32:58 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: schema export complete
Oct 12, 2009 9:32:58 AM bitronix.tm.BitronixTransactionManager logVersion
INFO: Bitronix Transaction Manager version 1.3.2
Oct 12, 2009 9:32:58 AM bitronix.tm.Configuration buildServerIdArray
WARNING: 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!).
Oct 12, 2009 9:32:58 AM bitronix.tm.Configuration buildServerIdArray
INFO: JVM unique ID: <172.17.88.140>
Oct 12, 2009 9:32:58 AM bitronix.tm.journal.DiskJournal open
WARNING: active log file is unclean, previous server crash ?
Oct 12, 2009 9:32:58 AM bitronix.tm.recovery.Recoverer run
INFO: recovery committed 0 dangling transaction(s) and rolled back 0 aborted transaction(s) on 1 resource(s) [jdbc/testDS1]
Oct 12, 2009 9:32:58 AM org.hibernate.impl.SessionFactoryImpl <init>
SEVERE: Error in named query: VariableInstancesInfoByProcessId
org.hibernate.QueryException: could not resolve property: processInstanceInfo of: org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo [select v from org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo v where v.processInstanceInfo.id = :processId]
        at org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:67)
        at org.hibernate.persister.entity.AbstractPropertyMapping.toType(AbstractPropertyMapping.java:61)
        at org.hibernate.persister.entity.AbstractEntityPersister.toType(AbstractEntityPersister.java:1385)
        at org.hibernate.hql.ast.tree.FromElementType.getPropertyType(FromElementType.java:302)
        at org.hibernate.hql.ast.tree.FromElement.getPropertyType(FromElement.java:407)
        at org.hibernate.hql.ast.tree.DotNode.getDataType(DotNode.java:589)
        at org.hibernate.hql.ast.tree.DotNode.prepareLhs(DotNode.java:264)
        at org.hibernate.hql.ast.tree.DotNode.resolve(DotNode.java:211)
        at org.hibernate.hql.ast.tree.DotNode.resolveFirstChild(DotNode.java:176)
        at org.hibernate.hql.ast.HqlSqlWalker.lookupProperty(HqlSqlWalker.java:482)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.addrExpr(HqlSqlBaseWalker.java:4326)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.expr(HqlSqlBaseWalker.java:1212)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.exprOrSubquery(HqlSqlBaseWalker.java:4041)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:3525)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:1762)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:776)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:577)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:281)
        at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:229)
        at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:251)
        at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:183)
        at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:134)
        at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
        at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
        at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:94)
        at org.hibernate.impl.SessionFactoryImpl.checkNamedQueries(SessionFactoryImpl.java:436)
        at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:384)
        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
        at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
        at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126)
        at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
        at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:60)
        at org.plugtree.labs.VariablePersistenceStrategiesTest.testApp(VariablePersistenceStrategiesTest.java:130)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at junit.framework.TestCase.runTest(TestCase.java:154)
        at junit.framework.TestCase.runBare(TestCase.java:127)
        at junit.framework.TestResult$1.protect(TestResult.java:106)
        at junit.framework.TestResult.runProtected(TestResult.java:124)
        at junit.framework.TestResult.run(TestResult.java:109)
        at junit.framework.TestCase.run(TestCase.java:118)
        at junit.framework.TestSuite.runTest(TestSuite.java:208)
        at junit.framework.TestSuite.run(TestSuite.java:203)
        at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
        at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Oct 12, 2009 9:32:58 AM bitronix.tm.recovery.IncrementalRecoverer recover

Thanks & Regards

Pardeep Ruhil
L&T Infotech Ltd
Mumbai
Ph: +919820283884

Larsen & Toubro Infotech Ltd.
www.Lntinfotech.com

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