jboss发布实体bean报错

在一个完整的实体bean打成jar包发布到jboss中，报
<UNKNOWN> -> ** UNRESOLVED Demands 'persistence.units:jar=entity.jar,unitName=de
fault **persistence.units:jar=entity.jar,unitName=default -> org.hibernate.HibernateExce
ption: unknown Oracle major version [11]
其中oracle-ds.xml中的内容是
<?xml version="1.0" encoding="UTF-8"?>
<datasources>
  <local-tx-datasource>
    <jndi-name>OracleDS</jndi-name>
    <connection-url>jdbc:oracle:thin:@localhost:1521:orcl</connection-url>
    <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
    <user-name>scott</user-name>
    <password>system</password>
    <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>      
<property name="dialect">org.hibernate.dialect.SQLServerDialect</property>
  </local-tx-datasource></datasources>
persistence.xml的内容是：
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence 
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
version="1.0"> 
<persistence-unit name="default">    
<jta-data-source>java:/OracleDS</jta-data-source> 
<properties> 
<property name="hibernate.hbm2ddl.auto" value="none" /> 
<property name="hibernate.show_sql" value="true"/>     
</properties>    
</persistence-unit> 
</persistence> 请大侠给帮忙解决一下