WebSphere Enterprise Service Bus, Version 6.2.0 Operating Systems: AIX, HP-UX, i5/OS, Linux, Solaris, Windows


Preparing for reinstallation after failed uninstallation on Linux systems

Learn how to clean a Linux® system if uninstallation of WebSphere® ESB fails. After running the uninstallation program, go through these manual steps to remove registry entries that can prevent you from reinstalling the product into the original directory.

Before you begin

Before performing this procedure, ensure you have uninstalled WebSphere ESB using the uninstallation wizard or silently, and that the procedure was not completed successfully. If the procedure was successful, you do not need to perform this task.

Determine the install_root directory for the product so that you remove the correct product and produce a clean system.

For details on default directory locations see Default installation directories for the product, profiles, and tools.

The installation wizard and the Profile Management Tool let you specify your own locations for installation root directories. Examine the following files to determine the actual locations:
  • The opt/.ibm/.nif/.nifregistry file identifies the installation root for all installed WebSphere ESB products and for all WebSphere Application Server products. The install_root/logs/manageprofiles/profile_name_create.log file for each created profile identifies the installation location in the stanza with the invokeWSProfile method.
Uninstalling the product leaves the profile_root directory, including the profile_root/logs directory, where profile_root represents the installation location of the profile. It also leaves the install_root/logs directory.

About this task

Reinstalling the product into a new directory when files remain from a previous installation can create a coexistence scenario. However, you can delete all files and registry entries to completely remove WebSphere ESB. A clean system lets you reinstall the product into the original directory without coexistence.

Important: Throughout this procedure, steps address removing artifacts left after uninstallation of both WebSphere ESB and WebSphere Application Server or WebSphere Application Server Network Deployment. The WebSphere Application Server product addressed is assumed to be the one underlying the installation of WebSphere ESB.

Perform the following procedure to produce a clean system.

Procedure
  1. Log on as the same user ID who installed the product.
  2. Stop all Java™ processes that are running.
    If you are running Java processes that are not related to WebSphere ESB or WebSphere Application Server products and it is not possible to stop them, stop all WebSphere ESB and WebSphere Application Server product-related processes. Use the following command to determine all processes that are running:
    ps -ef | grep java
    Stop all WebSphere ESB and WebSphere Application Server product-related processes with the kill -9 java_pid_1 java_pid_2...java_pid_n command.
  3. Search for related packages. Issue the following command to show packages for the WebSphere ESB and WebSphere Application Server products:
    rpm -qa | grep WS
    To narrow your query to search for WebSphere ESB packages only, type the following command:
    rpm -qa | grep WSEAA62 
    For example, after issuing the command rpm -qa | grep WSEAA62, the following package might be displayed:
    WSEAA62LicensingComponent-6.2-0

    WebSphere ESB, version 6.2, package names have a prefix of WSE and a suffix of 62. WebSphere Application Server Network Deployment, version 6.1, package names have a prefix of WSB or WSP and a suffix of 61. Do not remove packages for WebSphere ESB and WebSphere Application Server products that you did not uninstall.

  4. If there are packages to delete, type rpm -e packagename to remove any packages for the product that you uninstalled.
    Alternatively, you can search for packages to verify that every item in the list is something to delete:
    rpm -qa | grep WSEAA62
    If the list contains packages that you intend to delete and no others, remove all of the packages with the following command:
    rpm -qa | grep WSEAA62 | xargs rpm -e
    If there is a problem with package dependencies, you can use the following command to remove the packages:
    rpm -e packagename --nodeps --justdb

    The nodeps option skips the dependency check. The justdb option updates only the package database, and not the file system. Using only the nodeps option can cause a failure in package removal if there is any mismatch in the dependent file system (files and directories).

  5. Remove the installation root directory. Type rm -rf install_root to remove WebSphere ESB directories. Ensure you specify the correct install_root for the product you uninstalled. For example, if you uninstalled WebSphere ESB from the default installation directory /opt/ibm/WebSphere/ESB, issue the following command:
    rm -rf /opt/ibm/WebSphere/ESB
  6. Edit the vpd.properties file to remove the entries for WebSphere ESB and WebSphere Application Server or WebSphere Application Server Network Deployment.
    The file is located in the installation directory of the operating system, such as the root directory. Remove all entries for the installation of WebSphere ESB that you have uninstalled. Each WebSphere ESB entry starts with the characters WSE, followed by numbers representing the release number, and on the same line will have the install_root path corresponding to the installation you have uninstalled. (Each entry is on a single line if the file is displayed in a text editor with word wrap turned off.) For example, the line
    WSEAA62|6|2|0|0|6.2.0.0|2=IBM WebSphere Enterprise Service Bus|
    IBM Enterprise Service Bus|IBM Enterprise Service Bus V6.2|
    IBM|http://www.ibm.com|6.2.0.0|
    C:\Program Files\IBM\WebSphere\ESB|0|0|1|WSEAA62|6|2|0|0|6.2.0.0|2|0|
    false|"properties/version/_uninst.wbi" "uninstall.jar" "uninstall.dat" "
    "|true|3|WSEAA62|6|2|0|0|6.2.0.0|2
    corresponds to the WebSphere ESB that was installed in the directory C:\Program Files\IBM\WebSphere\ESB.
    Note: This text appears in several lines in this document for formatting purposes but would be a single line in the vpd.properties file.

    Each WebSphere Application Server or WebSphere Application Server Network Deployment entry in the vpd.properties file has a similar format. For information about these entries to help you determine which to delete, and for more information about the vpd.properties file, refer to the topic vpd.properties file in the WebSphere Application Server Network Deployment, version 6.1 information center.

    Do not delete or rename the vpd.properties file because the InstallShield MultiPlatform (ISMP) program uses it for other products that it installs. If the WebSphere ESB or WebSphere Application Server product that you are uninstalling is the only product with entries in the vpd.properties file, you can delete this file.

  7. Edit the /opt/.ibm/.nif/.nifRegistry file.

    This file is located in the home directory of the user ID from which the product was installed.

    The /opt/.ibm/.nif/.nifRegistry file contains a one-line entry for each WebSphere ESB product installation and also an entry, for each WebSphere Application Server product installation.

    Use a flat-file editor to remove the line that identifies the installation root directory of the product that you removed. Leave the other lines intact.

  8. Use the installRegistryUtils command to examine the installation locations for all installed WebSphere ESB products and remove the desired products from the install registry.

Results

This procedure results in having a clean system. You can reinstall into the same directories now. A clean system has no trace of a previously deleted installation.

What to do next

After you have cleaned your system, go to Installing the software to choose an installation procedure.


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Timestamp icon Last updated: 21 June 2010


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