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Header information/Post data/Temporary file error message (long page)
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300_bananas #1
Member since Mar 2019 · 6 posts
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Subject: Header information/Post data/Temporary file error message (long page)
Hello DokuWiki users,

I have recently discovered DokuWiki and really like the program. However, I've noticed an issue that occurs that prevents me from updating a page with a lot of text via my web browser (I have to instead manually edit the text files for each page with a lot of text to edit them). For instance, the error would occur if I repeated the following (entire) block of text 15 times on a page with no spaces and tried tried to save what I had entered onto the page via my web browser:
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello
HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello

then I get the errors:
Warning: Unknown: Unable to create temporary file, Check permissions in temporary files directory. in Unknown on line 0

Warning: Unknown: POST data can't be buffered; all data discarded in Unknown on line 0

Warning: Cannot modify header information - headers already sent in Unknown on line 0

Warning: Cannot modify header information - headers already sent in ...\dokuwiki\inc\init.php on line 37

Warning: Cannot modify header information - headers already sent in ...\dokuwiki\inc\auth.php on line 388

Warning: Cannot modify header information - headers already sent in ...\dokuwiki\inc\actions.php on line 32

Warning: Cannot modify header information - headers already sent in ...\dokuwiki\lib\tpl\dokuwiki\main.php on line 11

Things tried:
- A fresh install (The 2018 version and latest development snapshot with no plug-ins) of DokuWiki

Any help with this would be much appreciated

Best wishes,
I hope that you have a nice remaining week
This post was edited 2 times, last on 2019-03-13, 10:07 by 300_bananas.
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turnermm (Moderator) #2
Member since Oct 2009 · 4702 posts · Location: Canada
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Check these settings in php.ini:
post_max_size
memory_limit
upload_max_filesize

Make sure they are big enough to handle your data.  Be sure these's enough room on your disk for the amount of data being posted.
Myron Turner
github: https://github.com/turnermm
plugins, templates: http://www.mturner.org/devel
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300_bananas #3
Member since Mar 2019 · 6 posts
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Thanks for the help turnermm! That worked :)
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