This page lists the known non-trivial mistakes and updates to Java Servlet Programming, 2nd Edition. For an exhaustive list of updates, see http://www.oreilly.com/catalog/jservlet2/errata/.

If you believe you have spotted a mistake, please contact bookquestions@oreilly.com.

Chapter 4, Page 92

The code demonstrating getParameterValues() should use a parameter named "features" instead of "words".
String[] features = req.getParameterValues("features");

 

Chapter 4, Page 99

The method getContextPath() resides in HttpServletRequest, not in ServletRequest as shown.

 

Chapter 6, Page 165, Example 6-1

The name of the WML file in the caption of Example 6-1 should be "drinks.wml".

 

Chapter 6, Page 179, Example 6-7

The method chart.addDataSet() has been removed from KavaChart and replaced by chart.addDataset(). Note the case of the "S".

 

Chapter 6, Page 185

The http://www.geocities.com/SiliconValley/6742 site with the variety of counter images has gone away. Some of the images can still be found at http://member.apcug.org/counter/. The odometer images can still be found here on Servlets.com in the /images/odometer directory.

 

Chapter 7, Page 203, Example 7-1

The Example 7-1 code writing the HTML form should escape the double-quotes around item: NAME=\"item\".

 

Chapter 7, Page 207

The end of the first line of text refers to IDsgetPathInfo(). This should be simply getPathInfo().

 

Chapter 9, Page 287, Example 9-8

The ConnectionPool class should try to close an invalid connection before replacing it, to support databases like Oracle which require explicit closing. Before the line connections.remove(con) there should be try { con.close(); } catch (SQLException ignored) { }.

 

Chapter 15, Page 458, Example 15-4

The WebMacro.properties file shown in Example 15-4 has been truncated but the surrounding text doesn't warn the reader to that effect. For a complete WebMacro.properties file look to the WebMacro distribution or to the downloadable examples code available on this site.