W3 Total Cache
[resolved] error 500 after installing XCache (2 posts)

  1. dmitric
    Posted 5 years ago #

    Hi there .
    I installed the plugin and started installing components required for the plugin following help. When I restarted the server I got error 500. Quick look in to error log gave me the following:

    [Sat Jan 22 21:29:19 2011] [error] [client] PHP Fatal error: [Zend Optimizer] Zend Optimizer 3.2.8 is incompatible with XCache 1.3.0 in Unknown on line 0
    [Sat Jan 22 21:29:19 2011] [error] [client] Premature end of script headers: index.php

    What can I do?Please help.
    Thank you


  2. kfawcett
    Posted 5 years ago #

    Take a look at this article: http://stackoverflow.com/questions/479938/using-xcache-with-zend-optimizer-together Look at the last answer about adding your xcache location to zend extension: zend_extension=/path/to/xcache.so

    Or try using a different caching system. Remove xcache and try APC instead.

    This article might help with setup depending on your server configurtion: http://www.virtualmin.com/node/15258#comment-69432

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