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Installing WebLogic Server on Ubuntu and JRockit 64 bits. This installation will later be used to install Oracle Service Bus.

Download the WebLogic Server installation files from OTN or E-Delivery.

Make sure the JAVA_HOME refers to the proper Java installation:

$ JAVA_HOME=/oracle/jrockit-jdk1.6.0_24 export JAVA_HOME
$ PATH=$JAVA_HOME/bin:$PATH; export PATH

Check that the proper Java version will be used:

$ java -version
Oracle JRockit(R) (build R28.1.3-11-141760-1.6.0_24-20110301-1432-linux-x86_64, compiled mode)

If you are installing WebLogic Server on a 64-bit platform using a .jar installation program use the downloaded wlsversionnumber_generic.jar . Start the installation using the following command. Include the -d64 flag in the installation command when using a 32/64-bit hybrid JDK.

$ java -d64 -jar wls1035_generic.jar

• Welcome screen – Click Next
• Choose Middleware Home Directory – Create a new Middleware Home and enter the directory of your choice
• Register for Security Updates
• Choose Install Type – Choose Custom to be able to select the JDK of choice
• Choose Products and Components – No changes needed
• JDK Selection – Pick the JRockit JDK previously installed
• Choose Product Installation Directories – No changes needed
• Confirm Product Installation Directories
• Installer is running
• Installation complete

An overview of the WebLogic Server installation screen can be viewed in the gallery:

[Show as slideshow]

This post describes how to change the JDK for an Oracle Application Server 10.1.3.x installation. To check which JDK versions are supported with Application Server releases, check Metalink note 258833.1.

1. Stop all running Application Server processess.
2. Rename the current JDK directory:

1 2	cd $ORACLE_HOME mv jdk jdk.old

3. Install or copy the JDK version you need into $ORACLE_HOME/jdk
4. Start the Application Server processess.

You can check the JDK version:

1	$ /jdk/bin>./java -version

AIX 5L specials

If your systems are running AIX 5L there is some patching to be done. Assuming you’re using JDK 1.5 you have to apply patch 5261515.

After upgrading to a IBM JDK it is very well possible to run into the JAVAX.NET.SSL.SSLKEYEXCEPTION:RSA PREMASTER SECRET ERROR. In that case you have to modify the $ORACLE_HOM/jdk/jre/lib/security/java.security to

1 2 3 4 5

security.provider.1=com.ibm.jsse2.IBMJSSEProvider2 security.provider.2=com.ibm.crypto.provider.IBMJCE security.provider.3=com.ibm.security.jgss.IBMJGSSProvider security.provider.4=com.ibm.security.cert.IBMCertPath security.provider.5=com.ibm.security.sasl.IBMSASL

and create a symbolic link (or copy the jar) from the directory $ORACLE_HOME/jre/lib/ext/ibmjsseprovider2.jar to $ORACLE_HOME/jdk/jre/lib/ibmjsseprovider2.jar as described in Metalink note 746423.1.