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Having Strange Errors Utilizing Gzip in WordPress 2.9 and 2.9.1?

For­tu­nately your not alone. A recent bug fix was just released which addresses an error which is received while updat­ing the Word­Press core, as well as Word­Press plu­g­ins. This error typ­i­cally effects http.php, located at wp-includes/http.php, and looks sim­i­lar to the code listed below.

1

PHP Warning: gzuncompress() [<a href='function.gzuncompress'>function.gzuncompress</a>]: data error in /home/domain/public_html/blog/wp-includes/http.php on line 1824

We haven’t actu­ally run into the issue on our servers after enabling Gzip in Word­Press. But a few of our users have. As of 1/10/2010 the bug fix is as fol­lows. Sim­ply save the attached file, open it using you’re favorite text edi­tor, then copy and paste it to your http.php file. Always remem­ber to save Word­Press files in a UTF-8 for­mat, and set your FTP pro­gram of choice to Binary mode. These sim­ple steps will ensure your servers file integrity.

http.php

We’ve tested this patch using 3 dif­fer­ent themes, as well as two dif­fer­ent host­ing providers. Replac­ing the file prior to an update from 2.9 to 2.9.1, with Gzip already enabled, you should receive no errors. This bug fix will be included in upcom­ing releases of Word­Press, ie. 2.9.2 and on. So please keep this in mind.

Addi­tion­ally, the orig­i­nal code can be found from Word­Press Trac here.

Tell us if this arti­cle was help­ful, let us know what you think by leav­ing a com­ment below. Happy computing.