0 Replies Latest reply on Sep 17, 2010 3:27 PM by brian.sellden

EntityManagers in Seam app

brian.sellden Sep 17, 2010 3:27 PM

Hello -

I'm cringing slightly to post this because the issue has come up before. I've read at least half a dozen threads on this and haven't found a solution.

This is jboss-as 5.0.0. I'm attempting to write a web app in Seam that allows a user to select an environment (a.k.a. database) to edit, and then move on to some pages that allow editing of the selected database. My first approach is to create 2 data srouces, 2 persistence units, 2 entity manager factories and 2 entity managers. I'm expecting that both entity managers will be injected into my java components so that I can select the proper one to use based on the users's selection of environment. But things are failing during deployment, long before my java components are constructed.

Starting at the bottom up, here's my CompanyCodeConfigurator-ds.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE datasources PUBLIC "-//JBoss//DTD JBOSS JCA Config 1.5//EN"
"http://www.jboss.org/j2ee/dtd/jboss-ds_1_5.dtd">
<datasources>
<local-tx-datasource>
<jndi-name>CompanyCodeConfiguratorDEVDatasource</jndi-name>
<use-java-context>true</use-java-context>
<connection-url>jdbc:oracle:thin:@bluefish:1521:XE</connection-url>
<driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
<user-name>pafpuser</user-name>
<password>pafpuser1</password>
<min-pool-size>1</min-pool-size>
<max-pool-size>4</max-pool-size>
</local-tx-datasource>
<local-tx-datasource>
<jndi-name>CompanyCodeConfiguratorSITDatasource</jndi-name>
<use-java-context>true</use-java-context>
<connection-url>jdbc:oracle:thin:@10.1.8.121:1521:XE</connection-url>
<driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
<user-name>pafpuser</user-name>
<password>pafpuser1</password>
<min-pool-size>1</min-pool-size>
<max-pool-size>4</max-pool-size>
</local-tx-datasource>
</datasources>

Here's the persistence.xml file:

<?xml version="1.0" encoding="UTF-8"?>

<persistence 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"
             version="1.0">

<persistence-unit name="CompanyCodeConfiguratorDEVpu">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      <jta-data-source>java:CompanyCodeConfiguratorDEVDatasource</jta-data-source>
      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>
         <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
         <property name="hibernate.show_sql" value="true"/>
         <property name="hibernate.format_sql" value="true"/>
         <property name="hibernate.default_schema" value="PAFPUSER"/>
         <property name="jboss.entity.manager.factory.jndi.name" value="java:/emfDEV"/>
      </properties>
   </persistence-unit>

   <persistence-unit name="CompanyCodeConfiguratorSITpu">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      <jta-data-source>java:CompanyCodeConfiguratorSITDatasource</jta-data-source>
      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>
         <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
         <property name="hibernate.show_sql" value="true"/>
         <property name="hibernate.format_sql" value="true"/>
         <property name="hibernate.default_schema" value="PAFPUSER"/>
         <property name="jboss.entity.manager.factory.jndi.name" value="java:/emfSIT"/>
      </properties>
   </persistence-unit>

             </persistence>

And finally, components.xml:

<core:init debug="@debug@" jndi-pattern="@jndiPattern@" />

<core:manager concurrent-request-timeout="500"
conversation-timeout="120000" conversation-id-parameter="cid"
parent-conversation-id-parameter="pid" />

<web:hot-deploy-filter url-pattern="*.seam" />

<persistence:entity-manager-factory name="emfDEV"
persistence-unit-name="companyCodeConfiguratorDEVpu" installed="false"/>

<persistence:entity-manager-factory name="emfSIT"
persistence-unit-name="companyCodeConfiguratorSITpu" installed="false"/>

<persistence:managed-persistence-context
name="emDEV" auto-create="true"
entity-manager-factory="#{emfDEV}"
persistence-unit-jndi-name="java:/CompanyCodeConfiguratorDEVpu" />

<persistence:managed-persistence-context
name="emSIT" auto-create="true"
entity-manager-factory="#{emfSIT}"
persistence-unit-jndi-name="java:/CompanyCodeConfiguratorSITpu" />

<drools:rule-base name="securityRules">
<drools:rule-files>
<value>/security.drl</value>
</drools:rule-files>
</drools:rule-base>

<security:rule-based-permission-resolver
security-rules="#{securityRules}" />

<security:identity authenticate-method="#{authenticator.authenticate}"
remember-me="true" />

<mail:mail-session host="localhost" port="25" />

</components>

I'm happy to show the rather simple java components, but I just don't think I'm getting that far. Here's the error:

2010-09-17 13:31:36,890 ERROR [org.jboss.web.tomcat.service.deployers.TomcatDeployment] (HDScanner) ENC setup failed
java.lang.NullPointerException
at org.jboss.injection.PersistenceUnitHandler.getEntityManagerFactory(PersistenceUnitHandler.java:172)
at org.jboss.injection.PersistenceUnitHandler.getFactory(PersistenceUnitHandler.java:163)
at org.jboss.injection.PuEncInjector.inject(PuEncInjector.java:54)
at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:482)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:471)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4384)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142)
at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)
at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
at org.jboss.web.deployers.WebModule.start(WebModule.java:97)

Any help would be greatly appreciated.

Regards -

Brian.