I modified the tomcat myeclipse 's preference after the jdkproblems

I would like to change the original , but always given:

point determined did not respond.
then jump to :

changes, on this window are turned off.
I instantly pick up a map:

.
Seek expert who fight to save ah, grateful
------ Solution - -------------------------------------------
re in myeclipse allocation of about jdk, do not use myeclipse own . Checked after the recall configured your own configuration . Finished and then selected by you in the tomcat configuration jdk. Your screenshot should be that sun jdk myeclipse comes right ?
------ For reference only -------------------------------------- -
add, start the server directly through myeclipse :


------ For reference only ---------------------------------- -----
no one encountered? ?