Myeclipse6.0下部署jbpm3.2.1+Tomcat6.0+Mysl5.0出错

有个问题请教大家，在Myeclipse6.0下建了一个jbpm process project并加入了web capabilities ，用jbpm.jpdl.mysql.sql数据库脚本文件生成的数据库为jbpm，然后在tomcat下调试出错：

org.hibernate.connection.DatasourceConnectionProvider configure
严重: Could not find datasource: java:/JbpmDS
javax.naming.NameNotFoundException: Name JbpmDS is not bound in this Context
at org.apache.naming.NamingContext.lookup(NamingContext.java:770)
at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:137)
at javax.naming.InitialContext.lookup(Unknown Source)
at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:52)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:124)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:56)
at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:397)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:62)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2006)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1289)
at org.jbpm.persistence.db.DbPersistenceServiceFactory.getSessionFactory(DbPersistenceServiceFactory.java:91)
at org.jbpm.persistence.db.DbPersistenceService.getSessionFactory(DbPersistenceService.java:94)
at org.jbpm.persistence.db.DbPersistenceService.getSession(DbPersistenceService.java:98)
at org.jbpm.persistence.db.DbPersistenceService.getJobSession(DbPersistenceService.java:281)
at org.jbpm.JbpmContext.getJobSession(JbpmContext.java:526)
at org.jbpm.job.executor.JobExecutorThread.acquireJobs(JobExecutorThread.java:109)
at org.jbpm.job.executor.JobExecutorThread.run(JobExecutorThread.java:56)
2008-10-10 14:29:05 org.jbpm.job.executor.JobExecutorThread run
严重: exception in job executor thread. waiting 5000 milliseconds
org.hibernate.HibernateException: Could not find datasource
at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:56)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:124)
at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:56)
at org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:397)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:62)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2006)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1289)
at org.jbpm.persistence.db.DbPersistenceServiceFactory.getSessionFactory(DbPersistenceServiceFactory.java:91)
at org.jbpm.persistence.db.DbPersistenceService.getSessionFactory(DbPersistenceService.java:94)
at org.jbpm.persistence.db.DbPersistenceService.getSession(DbPersistenceService.java:98)
at org.jbpm.persistence.db.DbPersistenceService.getJobSession(DbPersistenceService.java:281)
at org.jbpm.JbpmContext.getJobSession(JbpmContext.java:526)
at org.jbpm.job.executor.JobExecutorThread.acquireJobs(JobExecutorThread.java:109)
at org.jbpm.job.executor.JobExecutorThread.run(JobExecutorThread.java:56)
Caused by: javax.naming.NameNotFoundException: Name JbpmDS is not bound in this Context
at org.apache.naming.NamingContext.lookup(NamingContext.java:770)
at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:137)
at javax.naming.InitialContext.lookup(Unknown Source)
at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:52)
... 13 more


hibernate.cfg.xml配置如下（主要部分）：
<!-- hibernate dialect -->
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>

    <!-- JDBC connection properties (begin) -->
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/jbpm?useUnicode=true&amp;amp;characterEncoding=UTF8</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.connection.password"></property>
    <!-- JDBC connection properties (end) -->
   
    <property name="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</property>
   
    <!-- JBoss transaction manager lookup (begin) ===
    <property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.JBossTransactionManagerLookup</property>
    ==== JBoss transaction manager lookup (end) -->

    <!-- DataSource properties (begin) ===
    <property name="hibernate.connection.datasource">java:/JbpmDS</property>
    ==== DataSource properties (end) -->


网上相关的帖子都解介绍的不全，希望大家帮帮忙~等待中。。。。。