Unexpected non-MediaWiki exception encountered, of type "Exception"
exception 'Exception' with message 'WKPDF system error: <pre>Loading pages (1/6)
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QHttpNetworkConnectionChannel::_q_receiveReply() called without QHttpNetworkReply, 0 bytes on socket.
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Warning: SSL error ignored
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Counting pages (2/6)
[==============================> ] Object 1 of 2
[============================================================] Object 2 of 2
Resolving links (4/6)
[==============================> ] Object 1 of 2
[============================================================] Object 2 of 2
Loading headers and footers (5/6)
Printing pages (6/6)
[> ] Preparing
[=> ] Page 1 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[====> ] Page 2 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[======> ] Page 3 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[=========> ] Page 4 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[===========> ] Page 5 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[=============> ] Page 6 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[===============> ] Page 7 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[==================> ] Page 8 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[====================> ] Page 9 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[======================> ] Page 10 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[=========================> ] Page 11 of 26
[===========================> ] Page 12 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[==============================> ] Page 13 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[===============================> ] Page 14 of 26
[==================================> ] Page 15 of 26
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QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[=========================================> ] Page 18 of 26
[===========================================> ] Page 19 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[=============================================> ] Page 20 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[================================================> ] Page 21 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
[==================================================> ] Page 22 of 26
QPixmap: Cannot create a QPixmap when no GUI is being used
QPixmap: Cannot create a QPixmap when no GUI is being used
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Done
</pre>' in /var/www/wiki_SIIT_2014/extensions/tcpdf/wkhtmltopdf.php:212
Stack trace:
#0 /var/www/wiki_SIIT_2014/extensions/tcpdf/PdfExport_body.php(75): WKPDF->render()
#1 /var/www/wiki_SIIT_2014/includes/SpecialPage.php(578): SpecialPdf->execute(NULL)
#2 /var/www/wiki_SIIT_2014/includes/Wiki.php(251): SpecialPage::executePath(Object(Title))
#3 /var/www/wiki_SIIT_2014/includes/Wiki.php(63): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#4 /var/www/wiki_SIIT_2014/index.php(114): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#5 {main}