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WordPress Hangs because of Interal Server Error 500 (16 posts)

  1. mtaveira
    Member
    Posted 3 years ago #

    I usually encounter this problem when I try to open multiple links (in different tabs) on my site at the same time. For instance, I'll open the admin dashboard in one tab, while I pull up the plug-ins portion of admin in another tab. It happens randomly, so it's hard to test it out (e.g., by removing every single plugin). So I am hoping this problem looks familiar to someone.

    I'm using Firefox 3.6.9. I've had this problem on previous versions of Firefox as well. I have not confirmed this issue on Firefox 4.0 b5 or other browsers. Indeed, it seems that while the pages are hanging, if I open up more site portions in new tabs in Firefox those will also hang. But if I open, for example, Chrome during that same period of time, I can access the site just fine.

    http://bit.ly/9o40uI

    http://bit.ly/9o40uI

  2. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    Have you tried:

    - deactivating all plugins to see if this resolves the problem? If this works, re-activate the plugins one by one until you find the problematic plugin(s).

    - switching to the default theme to rule out any theme-specific problems?

    - resetting the plugins folder by FTP or phpMyAdmin? Sometimes, an apparently inactive plugin can still cause problems.

    - increasing the memory available to PHP?
    http://wordpress.org/support/topic/253495#post-1017842

  3. mtaveira
    Member
    Posted 3 years ago #

    None of those common solutions work.

    I almost forgot to mention I'm running WP 3.0.1 if that wasn't assumed already.

  4. mrmist
    Forum Janitor
    Posted 3 years ago #

    Sounds like a hosting issue to me, if you actually have followed all of Esmi's suggestions. Can you see the error logs?

  5. mtaveira
    Member
    Posted 3 years ago #

    What would be the best/easiest way for me to view the error logs so that I can post it here?

    (I have Firebug installed.)

  6. wphelpcenter
    Member
    Posted 3 years ago #

    Your web host should be able to provide or tell you where to find your error logs.

  7. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    I'm curious as to why the problems appear to be browser specific. I wonder if there's an problem with the headers being sent out by the server?

  8. mtaveira
    Member
    Posted 3 years ago #

    Another interesting twist is that this also logs me out and asks me to re-log in. So I either get the Internal Server 500 Error and then on the next re-load, I have to log in, OR I'm simply logged out and asked to log in.

  9. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    I agree with mrmist - definitely sounds like a server issue.

  10. mtaveira
    Member
    Posted 3 years ago #

    I contacted Network Solutions about this. We will see what lame answer they give me.

    Another thing I want to add: not only does this seem to be browser specific (Firefox), but it seems to only happen when making multiple requests at once. I've been trying for the last couple hours where if I only do one request at a time (e.g., opening 1 link at a time), everything will load successfully.

  11. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    A bit of a long shot but have you tried using Firefox on someone else's computer?

  12. mtaveira
    Member
    Posted 3 years ago #

    I was going to suggest that. I've encountered the same problem on my work computer and home computer, but both have many of the same plugins/extensions. But a "fresh" Firefox or a different computer is worth checking out. I will try this out...

  13. mtaveira
    Member
    Posted 3 years ago #

    CONFIRMED: error reproduced on multiple different Firefox instances each running on a respective computer. I tried another computer running Firefox (3.6.3). I was eventually able to replicate the error as above. I suppose I still have Firefox 4.0 b5 to try. I think there is also a safe mode to try.

  14. mtaveira
    Member
    Posted 3 years ago #

    I've tried all afternoon to reproduce the above error on Chrome (6.0.472.55 beta). At one point, I tried opening up 20 different tabs. I got the pages to hang, but I got a different error message... On about 50% of the opened tabs (I believe the first ones to finish "loading," and not necessarily the first ones I opened) I got this:

    Error establishing a database connection
    This either means that the username and password information in your wp-config.php file is incorrect or we can't contact the database server at XXXXXXXX [the name of my database on Network Solutions]. This could mean your host's database server is down.

    Are you sure you have the correct username and password?
    Are you sure that you have typed the correct hostname?
    Are you sure that the database server is running?

    Obviously, I'm sure the username, pw, and/or hostname are correct as the site processed any request a few moments earlier, and then started processing new requests on its own (but not before forcing me to log back into WP admin).

    On the other set of tabs (presumably the ones that finished "loading" last), I was asked to log back in to WP admin.

    Do you think this problems is the same as and/or connected with the Internal Server Error 500 I've been getting on Firefox? (I am still waiting to hear back from Network Solutions)

  15. mtaveira
    Member
    Posted 3 years ago #

    CONFIRMED: error reproduced on Chrome browser.

    I tried as I did above to replicate the "error establishing database connection." This time I was able to get the Internal Server Error 500 on a non-Firefox browser for the first time.

    Because this the ISE 500 error is different from the DB connection error, this tells me that they are unique errors (but not necessarily unrelated).

    Does anything I've added in these last 3 posts change your assessments?

  16. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    I think it adds weight to the suggestion that this is a server problem.

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