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hibernate persistence.xml question

 
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hi guys

i have the following persistence.xml :

<persistence version="1.0"
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">

<persistence-unit name="manager1" transaction-type="RESOURCE_LOCAL">

<provider>org.hibernate.ejb.HibernatePersistence</provider>

<class>com.itzone.model.persistence.entities.UserInfo</class>
<properties>
<!-- Database connection settings -->
<property name="connection.driver_class" value="com.mysql.jdbc.Driver" />
<property name="connection.url" value="jdbc:mysql://localhost/:3306/B2BDB" />
<property name="connection.username" value="myname" />
<property name="connection.password" value="mypass" />

<property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect" />
<property name="hibernate.hbm2ddl.auto" value="create-drop" />


<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size" value="10" />

<!-- SQL dialect -->
<property name="dialect" value="org.hibernate.dialect.MySQLDialect" />

<!-- Echo all executed SQL to stdout -->
<property name="show_sql" value="true" />
</properties>
</persistence-unit>
</persistence>

and i was keeping getting the error:

895 [main] ERROR org.hibernate.tool.hbm2ddl.SchemaExport - schema export unsuccessful
java.lang.UnsupportedOperationException: The user must supply a JDBC connection
at org.hibernate.connection.UserSuppliedConnectionProvider.getConnection(UserSuppliedConnectionProvider.java:54)
at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnectionHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51)
at org.hibernate.tool.hbm2ddl.SchemaExport.execute(SchemaExport.java:252)
at org.hibernate.tool.hbm2ddl.SchemaExport.create(SchemaExport.java:211)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:383)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385)
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:954)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:891)
at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:57)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32)
at com.itzone.Test.main(Test.java:21)
Exception in thread "main" java.lang.UnsupportedOperationException: The user must supply a JDBC connection
at org.hibernate.connection.UserSuppliedConnectionProvider.getConnection(UserSuppliedConnectionProvider.java:54)
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142)
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85)
at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1463)
at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:60)
at com.itzone.Test.main(Test.java:24)
please give me some suggestions,

thank you,

 
jim li
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i fixed the problem by changing:

<property name="connection.url" value="jdbc:mysql://localhost/:3306/B2BDB" />
<property name="connection.username" value="myname" />
<property name="connection.password" value="mypass" />

to

<property name="hibernate.connection.url" value="jdbc:mysql://localhost/:3306/B2BDB" />
<property name="hibernate.connection.username" value="myname" />
<property name="hibernate.connection.password" value="mypass" />

but still i am not sure why? can anyone explain to me?

thank you
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