[jboss-user] [JBoss Seam] - Re: What's wrong with this components.xml / persistence.xml

mlh496 do-not-reply at jboss.com
Mon Mar 12 19:00:16 EDT 2007


It seems the entity manager is not getting inject into the right place.  I continue to get this error:

Caused by: java.lang.NullPointerException
  | 	at org.jboss.seam.core.ManagedPersistenceContext.getEntityManager(ManagedPersistenceContext.java:96)
  | 

Here are my updated persistence.xml, components.xml and jboss-beans.xml files:

persistence.xml

<persistence>
  |     <persistence-unit name="omegaFactory">
  |         <provider>org.hibernate.ejb.HibernatePersistence</provider>
  |         <jta-data-source>java:/omegaDatasource</jta-data-source>
  |         <properties>
  |             <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect"/>
  |             <property name="hibernate.transaction.flush_before_completion" value="true"/>
  |             <property name="hibernate.show_sql" value="true"/>
  |             <property name="jboss.entity.manager.factory.jndi.name" value="java:/omegaEntityDatasource"/>
  |             <property name="hibernate.cache.provider_class" value="org.hibernate.cache.HashtableCacheProvider"/>
  |             <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.JBossTransactionManagerLookup"/>
  |         </properties>
  |     </persistence-unit>
  | </persistence>
  | 

components.xml
<?xml version="1.0" encoding="UTF-8"?>
  | <components xmlns="http://jboss.com/products/seam/components"
  |             xmlns:core="http://jboss.com/products/seam/core"
  |             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |             xsi:schemaLocation=
  |             "http://jboss.com/products/seam/core 
  |             http://jboss.com/products/seam/core-1.1.xsd
  |             http://jboss.com/products/seam/components 
  | http://jboss.com/products/seam/components-1.1.xsd">
  |     
  |     <core:init jndi-pattern="#{ejbName}/local" debug="true"/>
  |     
  |     <core:manager conversation-timeout="120000"/>
  |     
  |     <core:managed-persistence-context name="entityManager"
  |                                       persistence-unit-jndi-name="java:/omegaEntityDatasource"
  |                                       auto-create="true"/>
  |     
  |     
  |     <core:ejb installed="true"/>
  |     
  | </components>

jboss-beans.xml

<?xml version="1.0" encoding="UTF-8"?>
  | 
  | <deployment xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |             xsi:schemaLocation="urn:jboss:bean-deployer bean-deployer_1_0.xsd"
  |             xmlns="urn:jboss:bean-deployer:2.0">
  | 
  |     <bean name="omegaDatasourceBootstrap" class="org.jboss.resource.adapter.jdbc.local.LocalTxDataSource">
  |         <property name="driverClass">com.mysql.jdbc.Driver</property>
  |         <property name="connectionURL">jdbc:mysql://localhost:3306/omega</property>
  |         <property name="userName"><value class="java.lang.String">username</value></property>
  |         <property name="password"><value class="java.lang.String">password</value></property>
  |         <property name="jndiName">java:/omegaDatasource</property>
  |         <property name="minSize">0</property>
  |         <property name="maxSize">10</property>
  |         <property name="blockingTimeout">1000</property>
  |         <property name="idleTimeout">100000</property>
  |         <property name="transactionManager"><inject bean="TransactionManager"/></property>
  |         <property name="cachedConnectionManager"><inject bean="CachedConnectionManager"/></property>
  |         <property name="initialContextProperties"><inject bean="InitialContextProperties"/></property>
  |     </bean>
  |     
  |     <bean name="omegaDatasource" class="java.lang.Object">
  |         <constructor factoryMethod="getDatasource">
  |             <factory bean="omegaDatasourceBootstrap"/>
  |         </constructor>
  |     </bean>
  | </deployment>
  | 

Surely some permutation should work.  :-)
-Michael

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