(1).create one theme-contributor in liferay-ide
(2).start one dxp-tomcat-sp2 server
(3).deploy the theme-contributor project to the server
(4).after it deploy finished then remove the theme-contributor project from the server
(5).the dxp-sp2 server will crashed.
when i deploy and remove from the ce-ga3 and dxp-tomcat-sp1.the server didn't crashed.