Problem changing Java version using alternatives

Question

I\'m not quite sure how I got into this mess, but for some reason I\'m not able to change the current version of Java using alternatives. I can run alternatives --config java a

Answer 1

I can change the default Java on CentOS using these steps:

1. Add the IBM JDK:

   alternatives --install /usr/bin/java java /opt/WebSphere/AppServer/java/bin/java 3
   

2. Set the new IBM JDK as default:

   alternatives --config java   (then select #3 in the list)
   

3. Type java -version at the prompt to see the result.