Post Subject : Tutorial on J2EE using JBOSS-4.x, Eclipse-3.x, Lomboz-3.x and
PostgreSQL-8.x on Windows XP
Ref. 1 : Tutorial for building J2EE Applications using JBOSS and ECLIPSE
(Chapter 6 : CMP Entity Bean)
http://www.tusc.com.au/tutorial/html/chap6.html
Ref. 2 : Tutorial on J2EE using JBOSS, ECLIPSE and Lomboz (Forum on Ref. 1)
http//www.jboss.org/index.html?module=bb&op=viewtopic&t=36910
Ref. 3 : Environment in use ;
- Windows XP SP2
- J2SDK 1.4.2_08
- Eclipse 3.0.2
- JBoss 4.0.2
- Lomboz 3.0.1 + emf-sdo-runtime-2.0.0
- PostgreSQL 8.0.3 (= DefaultDS)
Followings are some notes on the Chapter 6 (CMP Entity Bean) in Ref. 1
* Task numbers are based on Ref. 1.
* No change has been made to the server configuration file
(jboss402postgres.server) thus far.
* For "jboss-jaas.jar" & "jnet.jar" in the server definition file, it seems
JBoss just ignore them even if exist.
Task 1 : Create a CMP Entity Bean named "Item"
- Enter "DefaultDS" as a Datasource on the 2nd page of Lomboz EJB Creation
Wizard.
- On creation of "ItemBean", check a point before proceeding further steps.
= make sure the XDoclet parts of ItemBean.java;
:
| *
| * @ejb.bean name="Item"* jndi-name="ItemBean"* type="CMP"
| * primkey-field="itemID"
| * schema="MyStoreItem"
| * cmp-version="2.x"
| * data-source="DefaultDS"
| *
| :
Task 2 : Implement ejbCreate Method.
: (as per the steps in Ref. 1)
Task 12 : Add another business method to StoreAccess Bean.
- add getOutOfStockItems() method.
Task 13 : Add another business method to StoreAccess Bean.
- add getItemsBySupplier() method.
- generate EJB Classes.
- In ejb-jar.xml, add "ejb/" to the three items below in <ejb-ref-name> under
"session";
= ejb/CustomerLocal
= ejb/ManagerLocal
= ejb/ItemLocal
- In jboss.xml, change all <ejb-ref> and </ejb-ref> tags under "session" to
<ejb-local-ref> and </ejb-local-ref> respectively.
(see Task 10 in Chapter 5 of Ref. 1)
- deploy beans.
Task 14 and 15 : as per the steps in Ref. 1
For "SupplierBean.java";
Task 1 : Create a CMP Entity Bean named Supplier (2nd page of Wizard),
- note that the column name of Credit Limit is "CREDIT_LIMIT", not
"CREDITLIMIT".
=== Current Status in Chapter 7 (MDB) ===
- tackling difficulties at Task 4 (Deploy the RequestItems Bean).
- trying modifications of settings, such as
= switch using of jms folder under /deploy-hasingleton to /deploy
= change settings in the related xml files etc.
- no success so far.
jbosszone
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