Activation Fails With Blank Page

Summary

Attempting to activate Shopp fails, and displays a blank page. Blank pages with WordPress typically represent fatal errors in PHP. The circumstances to cause issues such as this will most often occur as a result of the web hosting environment (what technologies are installed on the server) and configuration (how those technologies are configured).

Known Causes

As an example, one incident of this was found to occur in a web hosting installation where Zend Optimizer was enabled. Activating Shopp in this environment caused a segmentation fault in Zend Optimizer which triggered a fatal error in PHP (hidden by WordPress’s error configuration resulting in the blank page) and finally caused the Apache web server to return an HTTP error status 500 (Internal Server Error) with the blank page.

Troubleshooting

In this case, Shopp was able to be activated by temporarily disabling Zend Optimizer to activate. Re-enabling Zend Optimizer after activation did not cause any further functional issues with WordPress+Shopp.

Note

It should be noted that the above is only indicative of possible causes and that actual causes of failures such as this may be due to similarly extreme and rare environments/configurations.

See Also

Activation Fails With Blank Page
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  1. Avatar of Adam

    Quick Update. After waiting for what I assume was a cron job, the site came back. Had plugins folder still named plugins_old so all plugins were off. Turned Shopp on, no problem. Turned the others on in bunches. No problem. So I don’t really understand the conflict or issue, but the site is back performing normally. BTW, this is hosted by web.com.

    January 6th   #

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