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Installing and Configuring Oracle WebLogic Server and Coherence
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5 Deinstalling Oracle WebLogic Server and Coherence

This chapter describes how to deinstall and reinstall Oralce WebLogic Server and Coherence.

You should always use the instructions provided in this chapter for removing the software. If you try to remove the software manually, you may experience problems when you try to reinstall the software again at a later time. Following the procedures in this chapter will ensure that the software is properly removed.

This chapter includes the following sections:

5.1 Understanding Product Deinstallation

The Oracle Fusion Middleware deinstaller removes software from the Oracle home directory from which it is started. Table 5-1 summarizes the procedure and provides links to supporting documentation.

Table 5-1 Roadmap for Deinstalling Oracle Fusion Middleware Infrastructure

Task Description and Documentation Documentation

Stop Oracle Fusion Middeware.

All servers and processes in your domain should be stopped before running the deinstaller.

See Section 5.2.

Remove the software.

Run the product deinstaller to remove Oracle WebLogic Server and Coherence.

See Section 5.3.

Remove the Oracle home directory.

The deinstaller does not remove all files and folders from the Oracle home directory. After the deinstaller is finished, you must manually remove the Oracle home to complete your product removal.

See Section 5.4.

Remove your domain and application data.

The deinstaller does not remove data contained in your Domain home or Application home directories, even if they are located inside the Oracle home. You must remove these directories manually.

See Section 5.5.


Not all files and directories in the Oracle home are removed by the deinstaller

The deinstaller does not remove the JDK or any user-created data such as WebLogic domains or custom application data. Only the components that were installed by the installation program are removed by the deinstaller.

5.2 Stopping Oracle Fusion Middleware

Before running the deinstaller, you should stop all servers and processes associated with the Oracle home you are going to remove.

For more information, see "Stopping an Oracle Fusion Middleware Environment" in Administering Oracle Fusion Middleware.

5.3 Deinstalling the Software

Follow the instructions in this section to start the product deinstaller and remove the software.

If you want to perform a silent (command-line) deinstallation, see "Running the Oracle Universal Installer for Silent Deinstallation" in Installing Software with the Oracle Universal Installer.

5.3.1 Starting the Deinstallation Program

To start the deinstaller on a Windows operating system, do one of the following:

  1. Use a file manager window to go to the ORACLE_HOME\oui\bin directory and double click on deinstall.cmd.

  2. From the command line, go to the ORACLE_HOME\oui\bin and enter the following command:

    deinstall.cmd
    
  3. From the Start menu, select All Programs, then select Oracle, then select OracleHome, then select Uninstall Oracle Middleware.

To start the deinstaller on a UNIX operating system, go to the ORACLE_HOME/oui/bin directory and enter the following command:

./deinstall.sh

5.3.2 Navigating the Deinstallation Screens

The deinstallation program displays a series of screens, in the order listed in Table 5-2.

If you need additional help with any of the deinstallation screens, click the screen name.

Table 5-2 Deinstallation Screens and Descriptions

Screen Description

Welcome

This screen introduces you to the product deinstaller.

Deinstallation Summary

This screen shows the Oracle home directory and its contents that will be deinstalled. Verify that this is the correct directory.

Click Deinstall to begin removing the software.

Deinstallation Progress

This screen shows the progress of the deinstallation.

Deinstallation Complete

This screen appears when the deinstallation is complete. Review the information on this screen, then click Finish to dismiss the deinstaller.


5.4 Removing the Oracle Home Directory Manually

After the deinstaller is finished, you must manually remove your Oracle home directory and any existing sub-directories that were not removed by the deinstaller. For example, if your Oracle home directory was /home/Oracle/products/Oracle_Home on a UNIX operating system:

> cd /home/Oracle/products
> rm -rf Oracle_Home

On a Windows operating system, if your Oracle home directory was C:\Oracle\Products\Oracle_Home, use a file manager window and navigate to the C:\Oracle\Products directory, then right-click on the Oracle_Home folder and select Delete.

5.5 Removing Your Domain and Application Data

To remove your domain and application data:

  1. Manually remove your Domain home directory.

    For example, if your Domain home directory was /home/Oracle/config/domains/infra_domain on a UNIX operating system:

    > cd /home/Oracle/config/domains
    > rm -rf infra_domain
    

    On a Windows operating system, if your Domain home directory was C:\Oracle\Config\domains\infra_domain, use a file manager window and navigate to the C:\Oracle\Config\domains directory, then right-click on the infra_domain folder and select Delete.

  2. Manually remove your Application home directory.

    For example, if your Application home directory was /home/Oracle/config/applications/infra_domain on a UNIX operating system:

    > cd /home/Oracle/config/applications
    > rm -rf infra_domain
    

    On a Windows operating system, if your Application home directory was C:\Oracle\Config\applications\infra_domain, use a file manager window and navigate to the C:\Oracle\Config\applications directory, then right-click on the infra_domain folder and select Delete.

  3. Backup the domain_registry.xml file in your Oracle home, then edit the file and remove the line associated with the domain you are removing. For example, to remove the infra_domain, find the following line and remove it:

    <domain location="/home/Oracle/config/domains/infra_domain"/>
    

    Save and exit the file when you are finished.

5.6 Reinstalling Your Software

You can reinstall your software into the same Oracle home as a previous installation only if you have deinstalled the software according to the instructions in this chapter, including manually removing the Oracle home directory. When you reinstall, you can then specify the same Oracle home as your previous installation.

Consider the following cases where the Oracle home is not empty:

  • Installing in an existing Oracle home that contains the same feature sets.

    The installer will warn you that the Oracle home you specified during the installation already contains the same software you are trying to install. Your options are to:

    1. Select a different installation type. In this case, only the feature sets that do not already exist in the Oracle home directory will be installed.

    2. Select a different Oracle home directory.

  • Installing in an existing, non-empty Oracle home.

    For example, suppose that you have chosen to create your Domain home or Application home somewhere inside your existing Oracle home. This data is not removed during the deinstallation process, so if you attempt to reinstall into the same Oracle home, the installer will not allow it. Your options are to:

    1. Deinstall your software from the Oracle home as described in this chapter, and then remove the Oracle home directory. After this is complete, you can reinstall and reuse the same Oracle home location, using the instructions in Chapter 2. Any domain or application data that was in the Oracle home will have to be re-created.

    2. Select a different Oracle home directory.