Title: Apache 500 Error
Last modified: August 22, 2016

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# Apache 500 Error

 *  [Tom Peranteau](https://wordpress.org/support/users/tperanteau/)
 * (@tperanteau)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/apache-500-error/)
 * After about two hours of chasing the infamous Apache 500 error while trying up
   update a page, and finding that the error was “Premature end of script headers:
   post.php”, I decided to disable all my plugins and re enable them one at a time.
 * It turned out to be this plugin. I can enable the other five plugins and all 
   works well, but when I enable the OpenSearchServer plugin, I start getting the
   above error again. I can then disable all BUT the OpenSearchServer plugin and
   the error is there.
 * Any ideas?
 * [https://wordpress.org/plugins/opensearchserver-search/](https://wordpress.org/plugins/opensearchserver-search/)

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

 *  Plugin Contributor [AlexandreT](https://wordpress.org/support/users/alexandret/)
 * (@alexandret)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/apache-500-error/#post-5580595)
 * Hi Tom,
 * Sorry for this. Do you have some more information about this error? Do you have
   a full stack trace? It could help solving it.
 * Can you tell me what the 5 other plugins are? I could try to reproduce your issue.
 * Thank you,
    Alexandre
 *  Thread Starter [Tom Peranteau](https://wordpress.org/support/users/tperanteau/)
 * (@tperanteau)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/apache-500-error/#post-5580614)
 * Later, after posting this, I figured out that I only receive the error if the
   plugin is configured to auto index the site it is installed on. I’m using opensearchserver
   to crawl and only using the site to present the search, so the site doesn’t need
   to be indexed. When I unticked the boxes to turn off indexing of the site, it
   started working.
 * It seems it could be something between my crawler server and the site.
 *  Plugin Contributor [AlexandreT](https://wordpress.org/support/users/alexandret/)
 * (@alexandret)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/apache-500-error/#post-5580666)
 * Hi Tom,
 * OK, that is weird. I’m currently not able to reproduce this bug.
 * If you do not use WordPress for sending content to your OSS you may want to enable
   option “Search only mode” in the Advanced Settings at the bottom of the admin
   page of the plugin. This way content will never be sent to your OSS.
 * Regards,
    Alexandre

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

The topic ‘Apache 500 Error’ is closed to new replies.

 * ![](https://ps.w.org/opensearchserver-search/assets/icon-256x256.png?rev=1019514)
 * [OpenSearchServer Search](https://wordpress.org/plugins/opensearchserver-search/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/opensearchserver-search/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/opensearchserver-search/)
 * [Active Topics](https://wordpress.org/support/plugin/opensearchserver-search/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/opensearchserver-search/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/opensearchserver-search/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [AlexandreT](https://wordpress.org/support/users/alexandret/)
 * Last activity: [11 years, 5 months ago](https://wordpress.org/support/topic/apache-500-error/#post-5580666)
 * Status: not resolved