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 P5.1, released almost 2 years 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

By default this page displays the errata for the latest version of the book. If you have a previous version, select it here:  

(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

#78372: In the side note: "service provide" should be "service provider"--Paolo Perrotta


#51157: The system name Sabre hasn't been anonymized, which would point to American as the airline.--Ed


#49802: First code block on this page is missing a newline between the decl for MagicBean and the decl for SoftReference ref.--Michael Nygard