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Difference between revisions of "EclipseLink/Examples/JPA/WebSphere7 Web Tutorial"
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− | If you want to get a small web application running quickly on WebSphere 7.0 - the services provided by the '''Web Tools Project''' | + | If you want to get a small web application running quickly on WebSphere 7.0 - the services provided by the '''Web Tools Project''' plugin in the '''Eclipse IDE''' can take care of the deployment details and set the server into debug mode for you. |
This basic example details how to use Eclipse to run/debug a minimum J2EE web application servlet using EclipseLink JPA as the persistence provider. The goal of this example is to detail the minimum steps required to run EclipseLink inside the [http://www.ibm.com/developerworks/downloads/ws/was/?S_TACT=105AGX28&S_CMP=DLMAIN&S_CMP=rnav IBM WebSphere Application Server 7.0] server using the Eclipse IDE. At this point no presentation/controller layer such as JSF, Spring or Struts will be used beyond a basic HttpServlet so we can concentrate on the the integration layer JPA setup. | This basic example details how to use Eclipse to run/debug a minimum J2EE web application servlet using EclipseLink JPA as the persistence provider. The goal of this example is to detail the minimum steps required to run EclipseLink inside the [http://www.ibm.com/developerworks/downloads/ws/was/?S_TACT=105AGX28&S_CMP=DLMAIN&S_CMP=rnav IBM WebSphere Application Server 7.0] server using the Eclipse IDE. At this point no presentation/controller layer such as JSF, Spring or Struts will be used beyond a basic HttpServlet so we can concentrate on the the integration layer JPA setup. |
Revision as of 10:57, 15 January 2009
Contents
- 1 EclipseLink JPA Deployed on IBM WebSphere 7 using Eclipse WTP
- 1.1 Development Environment
- 1.2 Prerequisites
- 1.3 WebSphere Configuration Changes
- 1.4 JNDI Datasource Setup
- 1.5 Persistence JAR location
- 1.6 EclipseLink JAR location
- 1.7 JDBC JAR location
- 1.8 Create J2EE application
- 1.9 Persistence.xml
- 1.10 Publish EAR
- 1.11 Perform CRUD operations: JPQL insert and query
- 1.12 References
EclipseLink JPA Deployed on IBM WebSphere 7 using Eclipse WTP
Note: This tutorial' is under construction for the next week as of 20090115.
If you want to get a small web application running quickly on WebSphere 7.0 - the services provided by the Web Tools Project plugin in the Eclipse IDE can take care of the deployment details and set the server into debug mode for you.
This basic example details how to use Eclipse to run/debug a minimum J2EE web application servlet using EclipseLink JPA as the persistence provider. The goal of this example is to detail the minimum steps required to run EclipseLink inside the IBM WebSphere Application Server 7.0 server using the Eclipse IDE. At this point no presentation/controller layer such as JSF, Spring or Struts will be used beyond a basic HttpServlet so we can concentrate on the the integration layer JPA setup.
The DALI project was used to generate Entities from a schema with sequences already populated.
Development Environment
Software: Eclipse IDE for Java EE 3.4 Ganymede SR 1 (Oct 2008 +) IBM J9 JRE 1.6.0 build 2.4 20080816_22093.
Prerequisites
Install Eclipse EE
- I installed a clean version of Eclipse Ganymede 3.4 EE Edition (Oct 2008)
Install a Database
Install WebSphere 7.0
I installed the commercial 7.0.0.1 version
Install WebSphere Eclipse 3.4 Server Plugin
We will first see if the WebSphere 6.0 or 6.1 plugin works with WebSphere 7.0 The WebSphere 6.1 Eclipse WTP server plugin is not shipped by default with Eclipse (WebSphere 6.0 for JEE 1.4 is).
- Note: The WebSphere 6.1 plugin for Eclipse WTP is currently being developed - see the following Eclipse WTP enhancement request 160220 in progress.
- We are not blocked from using Eclipse WTP to manage the WebSphere 6.1 server, but without this plugin we will need to attach manually to port 5005 of a running WebSphere server that was started in debug mode outside of the Eclipse IDE - we will use this alternate debug approach.
WebSphere Configuration Changes
JNDI Datasource Setup
Global Scoped Datasource Setup
Persistence JAR location
EclipseLink JAR location
JDBC JAR location
Create J2EE application
Persistence.xml
Publish EAR
Validating the WebSphere/EclipseLink configuration
Without eclipselink.jar reference
With eclipselink.jar reference
Perform CRUD operations: JPQL insert and query
Browser Output
References
- See Developing JPA Projects in the EclipseLink User's Guide.
Originated on build 20090115 - EclipseLink 1.1 M6 - Michael O'Brien