Apply Weblogic Patches in E-Business Suite

Introduction:

   

Oracle E-Business Suite has one Weblogic Components. Oracle releases patches for E-Business Suite Tech Stack patches. Along with Tech stack patches, Oracle releases Weblogic Patches too. DBA need to apply Weblogic patches in E-Business Suite applications.

Prerequisite: 

Following are the few basic prerequisites before Weblogic patch application.

• Download Weblogic patch from Metalink- https://support.oracle.com
• Winscp patch to Weblogic server. Use wget method if WinSCP not available
• Copy the patches to $FMW_HOME/utils/bsu/cache_dir
• cache_dir is Patch location directory for Weblogic
• unzip the Weblogic patch using unzip command 
• Patch ID will be something like - B24XP

Preparation Before Patch Application:/

Prepare application before the Weblogic patch application.

• Take a backup of $FMW_HOME
  cp -pR $FMW_HOME $FMW_HOME.2711
  
  
• Stop the entire EBS Application.
  Ex- cd $ADMIN_SCRIPTS_HOME
  ./adstpall.sh apps/<appspwd>
  
  

Apply Weblogic Patch:

• Export Environment
  
  export CONFIG_JVM_ARGS=”-Xms512m -Xmx1024m”
  export T2P_JAVA_OPTIONS=”-Djava.io.tmpdir=/tmp -Xms512m -Xmx1024m”
  
  
• Patch Directory - $FMW_HOME/utils/bsu/cache_dir
  
  
• BSU tool location- $FMW_HOME/utils/bsu
  
  
• Apply Weblogic Patch Command
  
  Goto Location  - $FMW_HOME/utils/bsu
  
  ./bsu.sh -install -patchlist=HMR4 – patch_download_dir =$FMW_HOME/utils/bsu/cache_dir -prod_dir= $FMW_HOME /wlserver_10.3
  
  
  

Rollback Weblogic Patch:

Many times while applying Weblogic patch application some conflicts will come. In that case, we may need to first rollback the conflicts patch and then apply the main patch.

Command to rollback the patch.

./bsu.sh -remove -patchlist=HMR4 -prod_dir= $FMW_HOME /wlserver_10.3

Weblogic Version:

. $FMW_HOME/server/bin/setWLSEnv.sh 

    java weblogic.version

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