| Interface and Description | 
|---|
| javax.servlet.http.HttpSessionContext As of Java(tm) Servlet API 2.1 for security reasons, with no
             replacement. This interface will be removed in a future version
             of this API. | 
| javax.servlet.SingleThreadModel As of Java Servlet API 2.4, with no direct replacement. | 
| Class and Description | 
|---|
| javax.servlet.http.HttpUtils As of Java(tm) Servlet API 2.3.
                        These methods were only useful
                        with the default encoding and have been moved
                        to the request interfaces. | 
| Method and Description | 
|---|
| javax.servlet.http.HttpServletResponseWrapper.encodeRedirectUrl(String) As of Version 3.0 of the Java Servlet API | 
| javax.servlet.http.HttpServletResponse.encodeRedirectUrl(String) As of version 2.1, use encodeRedirectURL(String url) instead | 
| javax.servlet.http.HttpServletResponseWrapper.encodeUrl(String) As of Version 3.0 of the Java Servlet API | 
| javax.servlet.http.HttpServletResponse.encodeUrl(String) As of version 2.1, use encodeURL(String url) instead | 
| javax.servlet.http.HttpSessionContext.getIds() As of Java Servlet API 2.1 with no replacement. This method
             must return an empty  Enumerationand will be
             removed in a future version of this API. | 
| javax.servlet.ServletRequestWrapper.getRealPath(String) As of Version 3.0 of the Java Servlet API | 
| javax.servlet.ServletRequest.getRealPath(String) As of Version 2.1 of the Java Servlet API, use
              ServletContext.getRealPath(java.lang.String)instead. | 
| javax.servlet.UnavailableException.getServlet() As of Java Servlet API 2.2, with no replacement. | 
| javax.servlet.ServletContext.getServlet(String) As of Java Servlet API 2.1, with no direct replacement. | 
| javax.servlet.ServletContext.getServletNames() As of Java Servlet API 2.1, with no replacement. | 
| javax.servlet.ServletContext.getServlets() As of Java Servlet API 2.0, with no replacement. | 
| javax.servlet.http.HttpSessionContext.getSession(String) As of Java Servlet API 2.1 with no replacement. This method
             must return null and will be removed in a future version of
             this API. | 
| javax.servlet.http.HttpSession.getSessionContext() As of Version 2.1, this method is deprecated and has no
             replacement. It will be removed in a future version of the
             Java Servlet API. | 
| javax.servlet.http.HttpSession.getValue(String) As of Version 2.2, this method is replaced by
              HttpSession.getAttribute(java.lang.String). | 
| javax.servlet.http.HttpSession.getValueNames() As of Version 2.2, this method is replaced by
              HttpSession.getAttributeNames() | 
| javax.servlet.http.HttpServletRequestWrapper.isRequestedSessionIdFromUrl() As of Version 3.0 of the Java Servlet API | 
| javax.servlet.http.HttpServletRequest.isRequestedSessionIdFromUrl() As of Version 2.1 of the Java Servlet API, use
              HttpServletRequest.isRequestedSessionIdFromURL()instead. | 
| javax.servlet.ServletContext.log(Exception, String) As of Java Servlet API 2.1, use
              ServletContext.log(String message, Throwable throwable)instead.This method was originally defined to write an exception's stack trace and an explanatory error message to the servlet log file. | 
| javax.servlet.http.HttpSession.putValue(String, Object) As of Version 2.2, this method is replaced by
              HttpSession.setAttribute(java.lang.String, java.lang.Object) | 
| javax.servlet.http.HttpSession.removeValue(String) As of Version 2.2, this method is replaced by
              HttpSession.removeAttribute(java.lang.String) | 
| javax.servlet.http.HttpServletResponseWrapper.setStatus(int, String) As of Version 3.0 of the Java Servlet API | 
| javax.servlet.http.HttpServletResponse.setStatus(int, String) As of version 2.1, due to ambiguous meaning of the message
             parameter. To set a status code use
              setStatus(int), to send an error with a
             description usesendError(int, String). | 
| Constructor and Description | 
|---|
| javax.servlet.UnavailableException(int, Servlet, String) As of Java Servlet API 2.2, use
              UnavailableException.UnavailableException(String, int)instead. | 
| javax.servlet.UnavailableException(Servlet, String) As of Java Servlet API 2.2, use
              UnavailableException.UnavailableException(String)instead. | 
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