Support » Plugin: Quick Cache (Speed Without Compromise) » Growing error log –

  • Just wondering if that looks at all familiar to you.
    I have a growing error log relating to Quick Cache and not clear how I can fix the apparent repeating error. Ideas?

    ++++

    [11-Apr-2014 22:51:20 UTC] PHP Fatal error: Uncaught exception 'Exception' with message 'Unable to cache already-compressed output. Please usemod_deflatew/ Apache; or usezlib.output_compressionin yourphp.inifile. Quick Cache is NOT compatible withob_gzhandler()` and others like this.’ in /home/account/public_html/wp-content/advanced-cache.php:185
    Stack trace:

    #0 [internal function]: quick_cache\advanced_cache->output_buffer_callback_handler(‘?????????????o?…’, 5)
    #1 /home/account/public_html/wp-includes/functions.php(2773): ob_end_flush()
    #2 [internal function]: wp_ob_end_flush_all(”)
    #3 /home/account/public_html/wp-includes/plugin.php(429): call_user_func_array(‘wp_ob_end_flush…’, Array)
    #4 /home/account/public_html/wp-includes/load.php(580): do_action(‘shutdown’)
    #5 [internal function]: shutdown_action_hook()
    #6 {main}
    thrown in /home/account/public_html/wp-content/advanced-cache.php on line 185
    `

    https://wordpress.org/plugins/quick-cache/

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Author Raam Dev

    (@raamdev)

    That means that you’re running a plugin that is conflicting with Quick Cache, likely something that uses ob_gzhandler(). Please see this list of incompatible plugins. If you’re not using any of those, I recommend deactivating plugins one-by-one until you find the one that’s generating these error messages.

    If you do find a new incompatible plugin, I’d love to know what it is so that I can update the list.

    Hello,

    In my case, the problem occurs with the XML Sitemap Generator plugin, version 4.0.4

    This plugin, in the sitemap-core.php file contains the following line of code (line 1570):
    if ($ pack) $ packed = @ ob_start ('ob_gzhandler');

    The google webmaster tool reports a http 500 error when trying to access the sitemap

    Plugin Author Raam Dev

    (@raamdev)

    The next release of Quick Cache includes better handling for scenarios where another plugin is using ob_start(). If you’re interested in testing a beta release of Quick Cache before the next version comes out, please sign-up to be a beta tester here.

Viewing 3 replies - 1 through 3 (of 3 total)
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