Minor Errata for
JavaSpaces Principles, Patterns, and Practice

The choir invites any member of the congregation who enjoys sinning to join the choir.
-- Church bulletin blooper

This page contains the minor errata -- typos, grammatical, and formatting errors -- in JavaSpaces Principles, Patterns, and Practice. You may also want to view the list of technical errata -- those things that are wrong or lead you astray -- especially before you email us about an error.

If you find an error in the book, please check to see if it is already known before reporting it. If you do not find it in the list, please mail us the relevant information, including page numbers. All errata will be fixed in the next possible printing.

Figures

• Some of the figures in the first printing of the book are known to have resolution problems, and will be fixed in the next printing. The figures with problems are: Fig. 1.1 (page 5), building blocks figure (page 51), Fig. 3.1 (page 52), Fig. 4.1 (page 83), Fig. 5.1 (page 109), Fig. 6.1 (page 156), Fig. 6.2 (page 177), Fig. 8.1 (page 218), Fig. 8.2 (page 219), Fig. 9.1 (page 239), Fig. 10.1 (page 248), Fig. 11.1 (page 291).

Chapter 1: Introduction

Chapter 2: JavaSpaces Application Basics

• Page 47: Bottom margin is too small.

Chapter 3: Building Blocks

• Page 62: The figure needs a figure number.

Chapter 4: Synchronization

Chapter 5: Communication

• Page 133: Section 5.6.2 should be entitled "The PagerMessage Entry".
• Page 147: Indentation of the following code is currently handled incorrectly in the book:

  statusResult = (Status) space.take(statusTemplate, null, Long.MAX_VALUE);
  

Chapter 6: Application Patterns

• Page 165: A left parenthesis is missing before the sentence: The calculateMandelbrot and zooming code were originally written by Robin Edwards.
• Page 169: The left curly bracket following implements Runnable should appear on a new line.

Chapter 7: Leases

• Page 204: The right curly bracket closing the body of the LeaseMap class is indented too far to the right.
• Page 205: There should be more vertical space following Figure 7.3.
• Page 211: The single quote in the code comment

      //if lease's stop time has passed, remove it
  

  should be a straight (not smart) quote.
• Page 211: The three code comments should not end with colons.

Chapter 8: Distributed Events

• Page 220: The point size of the word notify in the Section 8.2 title is too large.

Chapter 9: Transactions

Chapter 10: A Collaborative Application

• Page 257: In the first paragraph of Section 10.5, the phrase ``used to deal with FriendsListEntrys objects'' should be ``used to deal with FriendsListEntry objects''.

Chapter 11: A Parallel Application

Chapter 12: Further Exploration

APPENDIX A: The Jini Entry Specification

• Page 308: Entry interface definition has indentation problems.
• Page 309: UnusableEntryException class definition has indentation problems.

APPENDIX B: The Jini Entry Utilities Specification

• Pages 313-14: AbstractEntry class definition has indentation problems.

APPENDIX C: The JavaSpaces Specification

• Page 324: JavaSpace interface definition has indentation problems.
• Page 325: InternalSpaceException class definition has indentation problems.