title: How to avoid shutdown tomcat in every time do modification
body: <p>I'm using IntelliJ IDE for Java EE Applications, when i do any modification in any resource like sevlet or jsp ,and do requests to this resources i don't see the modification ,i must shutdown my application server 
  and start it to see my modification , iam using tomcat v9 , when i used eclipse or netbeans in last with the same version of tomcat ,iam not faced this problem ,
  It seems that the problem is in IntelliJ. i'd like to avoid the application server shutdown every time i do a modification .
  any one can help </p>