Hi Geniuses:
I am very frustrated and tired, I thought I am doing everything right, I really don’t know what wrong, please have a look if it make sense to you :-
I have error below
Unable to get an Entity Manager Instance
javax.naming.NameNotFoundException: No object bound to name
java:comp/env/CategoryLookup
at com.sun.enterprise.naming.NamingManagerImpl.lookup(NamingManagerImpl.java:856)
at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:173)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:407)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at cig.persistence.eao.CategoryEAOImpl.getEntityManager(CategoryEAOImpl.java:27)
at cig.persistence.eao.CategoryEAOImpl.<init>(CategoryEAOImpl.java:20)
at cig.persistence.manager.EAOFactory.getCategoryEAOIF(EAOFactory.java:30)
at cig.bizlogic.CategoryModelImpl.getAllCategorys(CategoryModelImpl.java:72)
I have created a EAO(persistence) just an extra layer to divide the
EJB (biz logic).
I am using nextbean
EJBbizMethod --> EAOManager EAOImpl
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In EnterpriseApplication-ejb:
----------------------------------------
public class EAOImpl implements EAOIF{
private EntityManager getEntityManager() {
try {
InitialContext ctx = new InitialContext();
return (EntityManager) ctx.lookup("java:comp/env/CategoryLookup");
} catch (Exception e) {
System.out.println("Unable to get an Entity Manager Instance");
e.printStackTrace();
return null;
}
}
Persistence.xml
-----------------------
<?xml version="1.0" encoding="UTF-8"?>
<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="StockMarket-ejbPU" transaction-type="JTA">
<jta-data-source> StockMarket </jta-data-source>
<jar-file>EntityUtil.jar</jar-file>
<properties/>
</persistence-unit>
</persistence>
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In EnterpriseApplication-war:
Web.xml
------------
<ejb-ref>
<ejb-ref-name>CategoryLookup</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<remote>bizlogicif. EJBbizMethod </remote>
<ejb-link> EJBbizMethodImpl</ejb-link>
</ejb-ref>
Some Call to EJBbizMethod
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