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Persistence provider creating new table even with update option
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created by <a href="http://community.jboss.org/people/mtshpandey">Mitesh pandey</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/620678#620678">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi All,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am using hibernate as my persistence provider and postgre as my DB. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My persistence.xml looks like below</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><persistence-unit name="titan" transaction-type="JTA"></p><p>           <provider>org.hibernate.ejb.HibernatePersistence</provider></p><p>           <jta-data-source>java:PostgresDS</jta-data-source></p><p>           <class>com.domain.Cabin</class></p><p>           <class>com.domain.Customer</class></p><p>           <class>com.domain.Address</class></p><p>          <properties></p><p>                    <property name="hibernate.dialect" value=  "org.hibernate.dialect.PostgreSQLDialect" /></p><p>                     <property name="<strong>hibernate.hbm2ddl.auto</strong>" value="<strong>update</strong>" /></p><p>                     <property name="hibernate.show_sql" value="true" /></p><p>                     <property name="hibernate.format_sql" value="false" /></p><p>                     <property name="hibernate.connection.driver_class" value="org.postgresql.Driver"/></p><p>                     <property name="hibernate.connection.url" value="jdbc:postgresql://localhost:5432/Entity"/></p><p>                     <property name="hibernate.connection.username" value="*****"/></p><p>                     <property name="hibernate.connection.password" value="****"/></p><p>      </properties></p><p> </persistence-unit></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have table Cabin, Customer and Address under my table Entity. When i deploy my jar and start the server , again a new table is created  as cabin, customer and address.<span> :0 </span> I thought with value = "update"  for  hibernate.hbm2ddl.auto, it should not create any table and should only update the data.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When i deleted the table from DB, then there was no table found message when the jboss is up. I don't want to duplicate the tables. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>What could be the issue ? </p></div>
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