Problem with redirects in general, when plugin is enabled

  • Herbert

    (@hneugebauer)


    10 years, 4 months ago

    Recently I did the WP 3.7.1 upgrade (from 3.6.1) and I did test the whole site, and I am pretty sure I tested also “Groups” as well “Groups 404”.

    Today I faced some VERY serious issues on one of my sites. It went as far as being unable to login to the backend with a message that my browser would not allow cookies (it worked yesterday, same machine, browser and settings, definitely no cookies issue there).

    I had to completely REMOVE all plugins (move everything out of the plugins folder). Then I re-enabled all plugins one-by-one. At some point in time I again had issues. Guess what: Group 404 was the plugin that I enabled when the problems started again. So I removed it again… problems gone.

    I have problem that ANY redirect action only shows a blank page, but the redirect itself does not happen. Not only on pages that are protected by the Groups plugin, but actually on ALL pages that cause some re-direct!

    Even the WP-Login page!
    And also another example: when I enable a plugin, clicking the enable link will first load a page (temporary), this page then re-directs back to the Plugins list page (normally). But with Group 404 enabled on my site, this stopped working. I can click the enable button, but then the browser shows a blank (temporary) page. No redirect back to the plugin list page. I can then manually go back to the plugins page and can see that the plugin was successfully enabled.
    This strange behaviour stops, when I disable the Groups 404 plugin. So I can quite clearly identify this plugin as the cause for the issue.

    Does that sound at all familiar? Can you help?

    This is quite awkward, as without this plugin, the Groups plugin is kind of incomplete. As it will show a protected page as an “error, page not found 404”.

    http://wordpress.org/plugins/groups-404-redirect/

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  • Thread Starter Herbert

    (@hneugebauer)

    10 years, 4 months ago

    Hmm, I should have added one more thing to my original post…

    I do suspect a plugin conflict, not a plain error of Group-404.

    I cannot further debug the exact conflict. I first suspected a conflict with “Better WP Security”, because this is a plugin that also deeply injects into WP and also has security related features.

    But right now I have both these plugins enabled, and the problem still doe snot happen. HOwever I have 7 other plugins disable. I basically disabled all “backend plugins” that are there for maintenance and other purposes, but not related to “frontend functionality”…

    So at the moment my site seems to work, but this still is a problem as I cannot leave all those plugins disabled forever, some of them are needed.
    I will only be able to work on this in more detail after Dec 20th.

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