We try to keep our books accurate, but sometimes mistakes creep in. This page lists the errors submitted by our astute readers. If you've found a new error, please submit it.

The latest version of the book is P1.0, released 7 months ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

Key: Typo Tech. Error Suggestion Not a problem Next edition

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(To find out what version you have, look at the copyright page, a few pages in from the front of the book. If it says (say) 'Second Printing', then here it'll be P2.0. If there are interim PDF releases in that printing, they'll be 2.1, 2.2, and so on.)

PDF Paper Description Found in Fixed in
19

#32381: The paragraph at the bottom of page 19 that starts with 'The"blue pill"...' is missing a space between 'The' and '"blue'. Very minor.

 B1.0
13-Jun-08
25

#30809: $groovy -version did not work (using version 1.5.4)
Had to use
$groovy -v
or
$groovy --version--Subhasish Mukherjee

 B1.0
15-Feb-08
44 44

#30511: global warning should be global warming--Tim Orr

 B1.0
18-Jan-08
84

#31921: java.io.tmp property doesn't exist. Should be java.io.tmpdir instead.--Leslie Johnson

 P1.0
07-May-08
109
#30737: In Appending data to an existing file this code (before and after the append) println "${file.size()} lines" should be println "${fil...more...
 B1.0
12-Feb-08
212
#33359: On section 11.8 in the explanation of the code for the BookController, the text mentions the call to the controller "Bookstore.list" and it sh...more...
 P1.0
29-Jul-08