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Hi David,<br>
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in case of a blank screen, almost certainly there is an error, but it has been printed to your server log instead of to the browser.<br>
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there is a PHP ini setting you can adjust for this -- search for "error" in php.ini . or have a look at your log file -- if you are using Apache it will be something like /var/log/apache2/error.log</div>
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best</div>
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Andrew.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> cwb-bounces@sslmit.unibo.it <cwb-bounces@sslmit.unibo.it> on behalf of $BjOzx(B <yuyuan97@163.com><br>
<b>Sent:</b> Friday, October 15, 2021 2:35:29 PM<br>
<b>To:</b> cwb@sslmit.unibo.it <cwb@sslmit.unibo.it><br>
<b>Subject:</b> [CWB] CQPweb does not return results but blank page</font>
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<div style="margin:0">Dear All,</div>
<div style="margin:0">I recently installed CWB and CQPweb on a Ubuntu desktop for demo purpose. It seems that there are no glitches at all from the beginning to the end until I started query after the installation of a preindexed corpus. There was no response
but a blank page, showing no errors too. The preindexed corpus was taken from my server that was taken offline. It was supposed to work well with CQPweb. I met the same problem when I tried the sample Dickens corpus. I am using CWB 3.4.33 and CQPweb 3.3.10.
My corpus was indexed with an earlier version of CWB (should this be an issue?).</div>
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<div style="margin:0">Best wishes,</div>
<div style="margin:0">David<br>
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