Ace

WebLogic provides many ways to automate lifecycle of cluster members to achieve server/service high availability without affecting service quality. For instance, we can configure whole server migration to make sure that in an event of physical  machine failure cluster members hosted on that machine are started on another machine. There are alternative methods to manage server (or process migration, at OS level), or simply, to control the lifecycle activity of  a process. These alternative methods include inbuilt (or packaged) clustering software that comes with various flavors of Linux/Unix. This post discusses the possible way to make such clustering software control WebLogic instances. The central thing about this is the use of W eb L ogic S cripting T ool ( or WLST) script. This WLST script file would be invoked from service script (which is just a specific form of shell script used to execute lifecycle activities of a process) with appropriate argument, like start, stop, st