How use autoFlush attribute in the page directive?
autoFlush means it will not clear. it send to the desitation.
Whether thread safety is implemented in the JSP file. The default value is true, which means that the JSP container can send multiple, concurrent client requests to the JSP page. You must write code in the JSP page to synchronize the multiple client threads. If you use false, the JSP container sends client requests one at a time to the JSP page.
<%@ page isThreadSafe="true | false" %>