How can I know with which brand and version of JVM I am running ServletExec ?
This information can be found on the Virtual Machine - Settings page of the Main ServletExec Admin UI.
Another way to determine this would be to write Servlet or JSP code which outputs the value of:
And then request that Servlet or JSP to read the output in your browser.
NOTE: If using SE 5.x or higher then this is already done for you... just access the System Properties page of the Main SE Admin UI.
If you are running ServletExec out-of-process (SE AS), you could also look inside your StartServletExec script/batch file to see which version of JVM that script is configured to use.