Fatal error while upgrading

i get the following error while trying to upgrade... after i installed the latest 3c river coloum & add rotator plugin but my site is functioning properly.. but i am worried that it should not cause any error or damage to my site in the future..

 

Redirect could not be issued due to headers already being sent. Halting execution for security. Search http://docs.elgg.org/ for more information.

SecurityException Object
(
[message:protected] => Redirect could not be issued due to headers already being sent. Halting execution for security. Search http://docs.elgg.org/ for more information.
[string:Exception:private] => exception 'SecurityException' with message 'Redirect could not be issued due to headers already being sent. Halting execution for security. Search http://docs.elgg.org/ for more information.' in /home/XXXXXX/public_html/engine/lib/elgglib.php:151
Stack trace:
#0 /home/XXXXX/public_html/index.php(22): forward('activity')
#1 {main}
[code:protected] => 0
[file:protected] => /home/XXXXXX/public_html/engine/lib/elgglib.php
[line:protected] => 151
[trace:Exception:private] => Array
(
[0] => Array
(
[file] => /home/XXXXXX/public_html/index.php
[line] => 22
[function] => forward
[args] => Array
(
[0] => activity
)

)

)

[previous:Exception:private] => 
)

 

Is this error msg is danger or not to worry.. bcz when ever i try to upgrade i get this error... wat should i do????

  • I am using elgg 1.8.8 

    linux vps server

    php version 5.3.13

  • This is now an entry in the error messages FAQ. Basically, it means there is unexpected output coming from somewhere. You should figure out where that output is or you might run into other problems like images or file downloads not working.

  • how do i figure it out... bcz i dont have any idea regarding this....

  • I found it out... if i deactivate 3 river activity.. the upgrade process go smooth.. but if i activate it.. i get fatal error... But i dont want to deactivate 3 river activity.. its a good plugin....

  • Have you checked to make sure the plugin is compatible with Elgg 1.8? If you deactivated the plugin and the upgrade worked, does it still give errors if you reactivate it (after the upgrade)?

  • ya it is compatible brett i am using 1.8.8 version of the plugin.. http://community.elgg.org/plugins/844663/1.8.8.1/3-column-river-activity

    • i avtivated the plugin ( I did not get any error)
    • i just run the upgrade.php (mysite/upgrade.php) i get fatal error
    • i refreshed the page immediately it redirected me to activity page & the plugin works perfectly without any error & reflects all the changes i do in the setting page
    • i had a dout so i deactivated the plugin to check whether the error comes bcz of this plugin so deactivated it & run once again upgrade.php (no error)
    • i again reactivated the plugin & run the upgrade.php ( i get fatal error once again)  
  • There's a space at the beginning of the English language file for the plugin. I've notified the author.

    How did I find this? I installed and activated the plugin and saw that the CSS was broken, so I checked my error log and found this:

    [Tue Jul 17 17:41:27 2012] [error] [client 127.0.0.1] PHP WARNING: 2012-07-17 14:41:27 (PDT): "Cannot modify header information - headers already sent by (output started at /Users/brett/Devel/elgg/master/mod/river_activity_3C/languages/en.php:1)" in file /Users/brett/Devel/elgg/master/views/default/page/admin.php (line 31), referer: http://elgg-master.mbp/admin/plugins

  • Thank you brett for your valuble time & help next time i will check it in error log.. usefull information..

    Thank you :)

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