myeclipes与sqlserver连接时报错信息:error while performing database login with the <databasename> driver. unable to create connection .check your url.sp4补丁已打,三个包已导入.配置如下:
<hibernate-configuration>

    <session-factory>
        <property name="connection.url">jdbc:microsoft:sqlserver://YLLIRONG\LIRONG:1433</property>
        <property name="dialect">
            org.hibernate.dialect.DerbyDialect
        </property>
        <property name="myeclipse.connection.profile">
            sqlserverData
        </property>
        <property name="connection.password">333</property>
        <property name="connection.driver_class">
            org.apache.derby.jdbc.ClientDriver
        </property>
        <property name="hibernate.transaction.factory_class">
            org.hibernate.transaction.JDBCTransactionFactory
        </property>

        <property name="connection.username">zhangying</property>

    </session-factory>

</hibernate-configuration>
哪位高人请给指点一下吧