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Reference cannot be cast to DataSource w/ standalone app client
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created by <a href="http://community.jboss.org/people/stevemaring">Steve Maring</a> in <i>JNDI and Naming</i> - <a href="http://community.jboss.org/message/627473#627473">View the full discussion</a>
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<div class="jive-rendered-content"><p>I am trying to unit test some JPA2 DAO classes I wrote using Maven.  The persistence.xml looks like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;"><?xml version="1.0" encoding="UTF-8"?></span></p><p><span style="font-family: courier new,courier;"><persistence version="2.0"</span></p><p><span style="font-family: courier new,courier;"><span>    xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>" xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span></span></p><p><span style="font-family: courier new,courier;"><span>    xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd</a><span>"></span></span></p><p>    </p><p><span style="font-family: courier new,courier;">    <persistence-unit name="lifesmartEntityManager" transaction-type="RESOURCE_LOCAL"></span></p><p><span style="font-family: courier new,courier;">        <provider>org.hibernate.ejb.HibernatePersistence</provider></span></p><p><span style="font-family: courier new,courier;">        <non-jta-data-source><strong>MyDS</strong></non-jta-data-source></span></p><p><span style="font-family: courier new,courier;">        <properties></span></p><p><span style="font-family: courier new,courier;">            <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect" /></span></p><p><span style="font-family: courier new,courier;">            <property name="hibernate.show-sql" value="true" /></span></p><p><span style="font-family: courier new,courier;">        </properties></span></p><p><span style="font-family: courier new,courier;">    </persistence-unit></span></p><p>    </p><p><span style="font-family: courier new,courier;"></persistence></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have deployed the DataSource to a running instance of AS 6.1.0.Final and confirmed that the global JNDIView has:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><span style="font-family: courier new,courier;">+- <strong>MyDS </strong>(class: javax.sql.DataSource)</span></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I try to run my tests, which rely on Hibernate EntityManager to lookup and associate the DataSource with the persistence-unit, I get:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">08:05:12,185 ERROR [DatasourceConnectionProvider] Could not find datasource: <strong>MyDS</strong></span></p><p><span style="font-family: courier new,courier;"><strong>java.lang.ClassCastException: javax.naming.Reference cannot be cast to javax.sql.DataSource</strong></span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.connection.DatasourceConnectionProvider.configure(DatasourceConnectionProvider.java:75)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:143)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.ejb.InjectionSettingsFactory.createConnectionProvider(InjectionSettingsFactory.java:51)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:91)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2833)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2829)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1840)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:902)</span></p><p><span style="font-family: courier new,courier;">        at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:57)</span></p><p><span style="font-family: courier new,courier;">        at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48)</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am certain that it is not truly a naming problem, because when I change the name to something bogus in the persistence.xml and run the test again, the error is different:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">08:25:34,525 ERROR [DatasourceConnectionProvider] Could not find datasource: <strong>YourDS</strong></span></p><p><span style="font-family: courier new,courier;">javax.naming.NameNotFoundException: <strong>YourDS</strong> not bound</span></p><p><span style="font-family: courier new,courier;">        at org.jnp.server.NamingServer.getBinding(NamingServer.java:771)</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Some have suggested this is really a classpath issue and I have started adding standalone remote client oriented libs in a bit of a shotgun approach.  So far, nothing has helped.  My test classpath, at this point, contains these declared artifacts, and the dependencies declared in their poms:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">slf4j-log4j12</span></p><p><span style="font-family: courier new,courier;">testng</span></p><p><span style="font-family: courier new,courier;">jnp-client</span></p><p><span style="font-family: courier new,courier;">jboss-remoting</span></p><p><span style="font-family: courier new,courier;">jbosssx-client</span></p><p><span style="font-family: courier new,courier;">jboss-security-spi</span></p><p><span style="font-family: courier new,courier;">hibernate-validator</span></p><p><span style="font-family: courier new,courier;">jboss-logging</span></p><p><span style="font-family: courier new,courier;">jboss-ejb3-vfs-spi</span></p><p><span style="font-family: courier new,courier;">jboss-ejb3-core</span></p><p><span style="font-family: courier new,courier;">jboss-kernel</span></p><p><span style="font-family: courier new,courier;">jboss-dependency</span></p><p><span style="font-family: courier new,courier;">jboss-classloading-vfs</span></p><p><span style="font-family: courier new,courier;">jboss-classloading</span></p><p><span style="font-family: courier new,courier;">jboss-classloader</span></p><p><span style="font-family: courier new,courier;">jboss-service-binding-core</span></p><p><span style="font-family: courier new,courier;">jboss-metadata-client</span></p><p><span style="font-family: courier new,courier;">jboss-transaction-api_1.1_spec</span></p><p><span style="font-family: courier new,courier;">jboss-jmx</span></p><p><span style="font-family: courier new,courier;">jboss-integration</span></p><p><span style="font-family: courier new,courier;">jboss-vfs</span></p><p><span style="font-family: courier new,courier;">jboss-reflect</span></p><p><span style="font-family: courier new,courier;">jboss-common-core</span></p><p><span style="font-family: courier new,courier;">jboss-serialization</span></p><p><span style="font-family: courier new,courier;">hibernate-jpa-2.0-api</span></p><p><span style="font-family: courier new,courier;">hibernate-entitymanager</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am, perhaps, still missing an artifact?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>-Steve Maring</p><p>Tampa, FL</p></div>
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