11.3. The isThreadSafe Attribute
The isThreadSafe attribute controls whether or not the servlet that results from the JSP page will implement the SingleThreadModel interface. Use of the isThreadSafe attribute takes one of the following two forms:
<%@ page isThreadSafe="true" %> <%!-- Default --%> <%@ page isThreadSafe="false" %>
With normal servlets, simultaneous user requests result in multiple threads concurrently accessing the service method of the same servlet instance. This behavior assumes that the servlet is thread safe; that is, that the servlet synchronizes access to data in its fields so that inconsistent values will not result from an unexpected ordering of thread execution. In some cases (such as page access counts), you may not ...
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