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Setup:
Sun Java v1.5.0_11 + Apache Geronimo v2.0.2
Eclipse 3.3.1 + WTP2.0.1 + Geronimo Eclipse Plugin v2.0

Step-1: Create a Web-App
Follow the instructions at <link to be added here> to add Geronimo 2.0 server runtime into WTP, and to create & deploy an "HelloWorld" Dynamic Web project.

Step-2: Create a POJO project

  • In "Project Explorer" view, right click in empty space and click "New -> Project".
  • Select "Java Project" and click "Next".
  • Enter "CurrencyConverterPojo" as the project name and click "Finish". (If asked to switch to Java perspective, you might select "No").
  • In "Project Explorer" view, right click on "CurrencyConverterPojo -> src" and click "New -> Class".
  • Enter "myPackage" as package name and "CurrencyConverter" as class name. Click "Finish".
  • Replace the file content with the contents given in "CurrencyConverter.java".
  • Press "Ctrl + S" to save changes.

Step-3: Add POJO project into web-app's Java Build Path

  • In "Project Explorer "view, right click on "HelloWorld" web-app project, and click "Properties".
  • Click "Java Build Path" and then switch to "Projects" tab.
  • Click "Add". Select "CurrencyConverterPojo" as the project to be added. Click "OK". Click "OK" again.

Step-4: Use POJO inside Web-App

  • In "Project Explorer" view, double click on "HelloWorld -> WebContent -> index.jsp" to open it in an editor.
  • Add "<br>100 USD == <%= CurrencyConverter.dollarToRupees(new BigDecimal(100.0)) %> INR" before "</body>" tag.
  • Add following imports before "<hmtl>" tag:
                <%@page import="myPackage.CurrencyConverter"%>
                <%@page import="java.math.BigDecimal"%>
  • Press "Ctrl + S" to save changes.

Step-5: Enable in-place shared library support in Server editor

  • In "Servers" view, double click on the server instance (like "Apache Geronimo v2.0 Server ..") to open the server editor.
  • In server editor, under "Test Environment", select "Enable in-place shared library support." as shown below:
  • Save and close the server editor.

Step-6: Add a dependency on "org.apache.geronimo.configs/sharedlib//car" in geronimo-web.xml

  • Double click on "Hello World -> Web Content -> WEB-INF -> geronimo-web.xml" to open it in Geronimo Deployment Plan Editor.
  • In "General" tab, select "Add a run time dependency to Geronimo's shared library" as below:
  • Press "Ctrl+S" to save the file.
  • In "Source" tab, a dependency on geronimo/sharedlib//car would be added as below:
        <sys:dependencies>
          <sys:dependency>
            <sys:groupId>geronimo</sys:groupId>
            <sys:artifactId>sharedlib</sys:artifactId>
            <sys:type>car</sys:type>
          </sys:dependency>
        </sys:dependencies>
  • For Geronimo v2.0 & above, change <sys:groupId> to "org.apache.geronimo.configs" as below: (this is due to a current bug in Geronimo Deployment Plan Editors)
                    <sys:groupId>org.apache.geronimo.configs</sys:groupId>
  • Press "Ctrl + S" again to save the changes.

Step-7: Redeploy and Run the web-app

  • Redeploy & run the web-app by right-clicking on "Hello World -> Web Content -> index.jsp" and selecting "Run As -> Run on Server -> Finish".
  • Make sure you get an output as below:
  • In Windows explorer, go to <GERONIMO_HOME>\var\shared\lib and observe that a "HelloWorld.eclipse.jar" is created and this jar contains a Manifest.mf file with contents as below:
        Manifest-Version: 1.0
        Class-Path:file:/E:/IDEworkspaces/m2eclipseSharedLib/CurrencyConverte
        rPojo/bin/
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