isThreadSafe
Indicates the level of thread safety implemented in the page.
If  
false
  then the JSP container shall dispatch multiple outstanding 
client requests, one at a time, in the order they were received, to the 
page implementation for processing.
If  
true
  then the JSP container may choose to dispatch multiple 
outstanding client requests to the page simultaneously.
Page authors using  
true
  must ensure that they properly 
synchronize access to page shared state.
Default is  
true
 .
Note that even if the 
isThreadSafe
 attribute is  
false
  the JSP page 
author must ensure that access to any shared objects shared in either 
the 
ServletContext
 or the 
HttpSession
 are properly 
synchronized. See Section 2.7.2
info
Defines an arbitrary string that is incorporated into the translated page, 
that can subsequently be obtained from the page's implementation of 
Servlet.getServletInfo()
 method.
isErrorPage
Indicates if the current JSP page is intended to be the URL target of 
another JSP page's 
errorPage
.
If  
true
 , then the implicit script language variable  
exception
  
is defined and its value is a reference to the offending 
Throwable
from the source JSP page in error.
If  
false
  then the  
exception
  implicit variable is unavailable, 
and any reference to it within the body of the JSP page is illegal and 
shall result in a fatal translation error.
Default is  
false
Chapter 2
Standard Syntax and Semantics
46




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