How to Apply Patches to a WLS 8.1 Environment

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PURPOSE

How to apply Weblogic Server patches on 8.1 installations.

QUESTIONS AND ANSWERS

On Weblogic Server 8.1,patches can applied using the following steps:

1. Extract the jar file from the patch,which will be in the format CRxxxxxx_810sp6.jar OR bugxxxxxx_810sp6.jar.
2. Save the jar file you extracted to the file system and note its location.
3. Open the start script for the server (on Windows,startWebLogic.cmd; on UNIX,startWebLogic.sh).
4. Locate the CLASSPATH declaration,which looks something like this:
   CLASSPATH=$WL_HOME:$WL_HOME/lib/weblogic_sp.jar:$WL_HOME/lib/weblogic.jar (UNIX) OR
   set CLASSPATH=%WEBLOGIC_CLASSPATH%;%POINTBASE_CLASSPATH%;%JAVA_HOME%jrelibrt.jar;%WL_HOME%serverlibwebservices.jar;%CLASSPATH% (Windows).
5. Edit the CLASSPATH declaration by adding the fully qualified patch file name to the front of the declaration. For example,in Windows:
   
   1. Save the patch file,CRxxxxxx_810sp6.jar,to C:beaweblogic81patches.
   2. Then edit the start script as follows:
      set PATCH_PATH=C:beaweblogic81patchesCRxxxxxx_810sp6.jar
      set CLASSPATH=%PATCH_PATH%;%WEBLOGIC_CLASSPATH%;%POINTBASE_CLASSPATH%;%JAVA_HOME%jrelibrt.jar;%WL_HOME%serverlibwebservices.jar;%CLASSPATH%
   In UNIX,use UNIX syntax and delimiters:
   
   1. Save the patch file,to /opt/bea/weblogic81/patches/.
   2. Then edit the start script as follows:
      PATCH_PATH=/opt/bea/weblogic81/patches/CRxxxxxx_810sp6.jar
      CLASSPATH=$PATCH_PATH:$WL_HOME:$WL_HOME/lib/weblogic_sp.jar:$WL_HOME/lib/weblogic.jar
6. Repeat the above steps for each managed server where the patch should be applied.
7. Restart the server.

（编辑：李大同）

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