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The Geronimo Eclipse Plugin (GEP) provides integration between Geronimo and the Web Tools Platform (WTP). With this plugin, users will be able to use the features in WTP to create, deploy and debug applications on Geronimo.
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This section provides a quick tutorial for developing and running applications with GEP in Geronimo.

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Getting the software

The Geronimo Eclipse Plugin (GEP) requires the following prerequisite software (all of which is platform specific):

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The definitive and current version of the GEP installation instructions may be found here: Installing Geronimo Eclipse Plugin.

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1. Launch the Define a New Server dialog using one of the following:
   • From the Servers view in the Java EE Perspective: right click, select New, and Server.
   • From any Perspective: Select File, New, Other, Server.
2. Select Apache Geronimo v3.0M1 Server and click Next.
3. Select a 6.0 JRE (Click Installed JREs to add any new JREs and return to this dialog once done).
4. If you already have Geronimo v3.0M1 installation that you want to use with GEP, enter the directory name or browse to <GERONIMO_HOME> and click Next. Skip the next three steps and go to selecting source archive.
5. Enter a directory for Application Server Installation Directory, under Download Options select the Web container and click Download and Install. Notetitle Important

   The directory specified for Application Server Installation Directory must exist in order to select Download Options.

6. Click OK for Install Confirmation. This will install the selected Geronimo v3.0M1 server and fill the Application Server Installation Directory field accordingly.
7. Click Next.
8. Select the location of the archive containing Geronimo source and click Next. This is required only if you intend to debug into Geronimo source code.
9. Modify Hostname, Administrator Id, Administrator password, Web Connector port and RMI Naming port if necessary and click Finish. Normally you will not need to change the default values for these fields for a newly installed Geronimo server.

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1. Select File, Import to launch the Select dialog.
2. Based on your application type, select as given below:
   • For Web application, select Web, WAR file.
   • For EAR application, select J2EE, EAR file.
   • For EJB application, select EJB, EJB JAR file.
   • For Aries application, select OSGi, OSGi application(EBA) or OSGi Composite Bundle(CBA).
3. Click Next. note

   Remaining steps are based on a Web application.

4. Type the name of the WAR file or select the WAR file by clicking on Browse, enter/edit the Project Name and select Apache Geronimo v3.0M1 Runtime as Target Runtime.
5. Click Finish to complete the import.

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