[CWB] CQPweb does not return results but blank page

Hardie, Andrew a.hardie at lancaster.ac.uk
Wed Oct 20 10:03:52 CEST 2021


That's a different issue. This problem is that you don't have the mbstring extension  installed in PHP, but you need it! If you install the php-mbstring package and try again, that will deal with that issue.

If you then get the earlier error again, here's something that may well  fix it: go into the admin control panel, to the mapping tables option, and regenerate the built-in mapping tables.

best

Andrew.

From: cwb-bounces at sslmit.unibo.it <cwb-bounces at sslmit.unibo.it> On Behalf Of Yu Yuan
Sent: 20 October 2021 08:33
To: cwb at sslmit.unibo.it
Subject: [External] Re: [CWB] CQPweb does not return results but blank page



Hi, Andrew,
Yes, I did. I changed this setting at  managing annotation but it remains ineffective in the CQP syntax mode. I got the following error prompt:
************************************
[Wed Oct 20 15:22:33.618213 2021] [php7:error] [pid 186581] [client 127.0.0.1:45324] PHP Fatal error:  Uncaught Error: Call to undefined function mb_strlen() in /var/www/html/nuist/lib/general-lib.php:709\nStack trace:\n#0 /var/www/html/nuist/lib/cache-lib.php(1644): utf8_strlen()\n#1 /var/www/html/nuist/lib/concordance-ui.php(599): QueryRecord->print_query_search_term()\n#2 /var/www/html/nuist/exe/concordance.php(1): require('/var/www/html/n...')\n#3 {main}\n  thrown in /var/www/html/nuist/lib/general-lib.php on line 709, referer: http://localhost/nuist/ciiss_en/
************************************
Many thanks and best wishes,
David






At 2021-10-18 10:01:24, cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it> wrote:

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>Today's Topics:

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>   1. Re: CQPweb does not return results but blank  page (Yu Yuan)

>   2. Re: CQPweb does not return results but blank  page

>      (Hardie, Andrew)

>

>

>----------------------------------------------------------------------

>

>Message: 1

>Date: Mon, 18 Oct 2021 08:58:41 +0800 (CST)

>From: "Yu Yuan" <yuyuan97 at 163.com<mailto:yuyuan97 at 163.com>>

>To: "cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>" <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>>

>Subject: Re: [CWB] CQPweb does not return results but blank  page

>Message-ID: <460c8698.695.17c90e863a8.Coremail.yuyuan97 at 163.com<mailto:460c8698.695.17c90e863a8.Coremail.yuyuan97 at 163.com>>

>Content-Type: text/plain; charset="gbk"

>

>Hi, Andrew,

>Thanks for the help. I looked into the error log and it appears to be some variable type delcaration problem  to me as I compared the "query-lib.php" file with its  early 3.2.43 version and found you reengineered the code a bit and had all the variable type declaration  (e.g. string, bool) removed. Could this be the cause of problem? I pasted the error below for your reference:

>

>

>***************************************

>[Mon Oct 18 08:47:13.623391 2021] [php7:error] [pid 142109] [client 127.0.0.1:35296] PHP Fatal error:  Uncaught TypeError: Argument 1 passed to get_tertiary_mapping_table() must be of the type string, null given, called in /var/www/html/nuist/lib/query-lib.php on line 426 and defined in /var/www/html/nuist/lib/query-lib.php:676\nStack trace:\n#0 /var/www/html/nuist/lib/query-lib.php(426): get_tertiary_mapping_table()\n#1 /var/www/html/nuist/lib/query-lib.php(367): process_simple_query_new()\n#2 /var/www/html/nuist/lib/concordance-ui.php(319): process_simple_query()\n#3 /var/www/html/nuist/exe/concordance.php(1): require('/var/www/html/n...')\n#4 {main}\n  thrown in /var/www/html/nuist/lib/query-lib.php on line 676, referer: http://localhost/nuist/ciiss_en/

>

>***************************************

>

>

>

>

>

>Best wishes,

>David

>

>

>

>

>

>

>

>

>At 2021-10-17 18:00:01, cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it> wrote:

>>Send CWB mailing list submissions to

>>      cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>

>>

>>To subscribe or unsubscribe via the World Wide Web, visit

>>      http://liste.sslmit.unibo.it/mailman/listinfo/cwb

>>or, via email, send a message with subject or body 'help' to

>>      cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it>

>>

>>You can reach the person managing the list at

>>      cwb-owner at sslmit.unibo.it<mailto:cwb-owner at sslmit.unibo.it>

>>

>>When replying, please edit your Subject line so it is more specific

>>than "Re: Contents of CWB digest..."

>>

>>

>>Today's Topics:

>>

>>   1. Re: CQPweb does not return results but blank  page

>>      (Hardie, Andrew)

>>

>>

>>----------------------------------------------------------------------

>>

>>Message: 1

>>Date: Sat, 16 Oct 2021 22:18:59 +0000

>>From: "Hardie, Andrew" <a.hardie at lancaster.ac.uk<mailto:a.hardie at lancaster.ac.uk>>

>>To: Open source development of the Corpus WorkBench

>>      <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>>

>>Subject: Re: [CWB] CQPweb does not return results but blank  page

>>Message-ID:

>>      <LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM<mailto:LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM>>

>>

>>Content-Type: text/plain; charset="iso-2022-jp"

>>

>>Hi David,

>>

>>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.

>>

>>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

>>

>>best

>>

>>Andrew.

>>

>>________________________________

>>From: cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it> <cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it>> on behalf of ?? <yuyuan97 at 163.com<mailto:yuyuan97 at 163.com>>

>>Sent: Friday, October 15, 2021 2:35:29 PM

>>To: cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it> <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>>

>>Subject: [CWB] CQPweb does not return results but blank page

>>

>>Dear All,

>>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?).

>>

>>Best wishes,

>>David

>>

>>

>>

>>

>>

>>

>>

>>

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>Message: 2

>Date: Mon, 18 Oct 2021 02:01:16 +0000

>From: "Hardie, Andrew" <a.hardie at lancaster.ac.uk<mailto:a.hardie at lancaster.ac.uk>>

>To: Open source development of the Corpus WorkBench

>       <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>>

>Subject: Re: [CWB] CQPweb does not return results but blank  page

>Message-ID:

>       <LO4P265MB3485E5E396F265C0DEC7133CCBBC9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM<mailto:LO4P265MB3485E5E396F265C0DEC7133CCBBC9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM>>

>

>Content-Type: text/plain; charset="us-ascii"

>

>Hi David,

>

>Based on this error message, I believe the problem is that you have declared a tertiary annotation, but not specified a mapping table, in this corpus.

>

>To test this, try doing a query in "CQP syntax" mode. If I'm correct, it will work fine.

>

>best

>

>Andrew.

>

>PS. changing from weakly typed to strongly typed function parameters and return values was one of the big changes made in v 3.3.0 . I am reasonably certain the bugs from that changeover are pretty well shaken out.

>

>From: cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it> <cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it>> On Behalf Of Yu Yuan

>Sent: 18 October 2021 01:59

>To: cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it>

>Subject: Re: [CWB] CQPweb does not return results but blank page

>

>Hi, Andrew,

>Thanks for the help. I looked into the error log and it appears to be some variable type delcaration problem  to me as I compared the "query-lib.php" file with its  early 3.2.43 version and found you reengineered the code a bit and had all the variable type declaration  (e.g. string, bool) removed. Could this be the cause of problem? I pasted the error below for your reference:

>

>***************************************

>[Mon Oct 18 08:47:13.623391 2021] [php7:error] [pid 142109] [client 127.0.0.1:35296] PHP Fatal error:  Uncaught TypeError: Argument 1 passed to get_tertiary_mapping_table() must be of the type string, null given, called in /var/www/html/nuist/lib/query-lib.php on line 426 and defined in /var/www/html/nuist/lib/query-lib.php:676\nStack trace:\n#0 /var/www/html/nuist/lib/query-lib.php(426): get_tertiary_mapping_table()\n#1 /var/www/html/nuist/lib/query-lib.php(367): process_simple_query_new()\n#2 /var/www/html/nuist/lib/concordance-ui.php(319): process_simple_query()\n#3 /var/www/html/nuist/exe/concordance.php(1): require('/var/www/html/n...')\n#4 {main}\n  thrown in /var/www/html/nuist/lib/query-lib.php on line 676, referer: http://localhost/nuist/ciiss_en/

>***************************************

>

>

>Best wishes,

>David

>

>

>

>

>At 2021-10-17 18:00:01, cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it%3cmailto:cwb-request at sslmit.unibo.it>> wrote:

>

>>Send CWB mailing list submissions to

>

>>       cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it%3cmailto:cwb at sslmit.unibo.it>>

>

>>

>

>>To subscribe or unsubscribe via the World Wide Web, visit

>

>>       http://liste.sslmit.unibo.it/mailman/listinfo/cwb

>

>>or, via email, send a message with subject or body 'help' to

>

>>       cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it<mailto:cwb-request at sslmit.unibo.it%3cmailto:cwb-request at sslmit.unibo.it>>

>

>>

>

>>You can reach the person managing the list at

>

>>       cwb-owner at sslmit.unibo.it<mailto:cwb-owner at sslmit.unibo.it<mailto:cwb-owner at sslmit.unibo.it%3cmailto:cwb-owner at sslmit.unibo.it>>

>

>>

>

>>When replying, please edit your Subject line so it is more specific

>

>>than "Re: Contents of CWB digest..."

>

>>

>

>>

>

>>Today's Topics:

>

>>

>

>>   1. Re: CQPweb does not return results but blank  page

>

>>      (Hardie, Andrew)

>

>>

>

>>

>

>>----------------------------------------------------------------------

>

>>

>

>>Message: 1

>

>>Date: Sat, 16 Oct 2021 22:18:59 +0000

>

>>From: "Hardie, Andrew" <a.hardie at lancaster.ac.uk<mailto:a.hardie at lancaster.ac.uk<mailto:a.hardie at lancaster.ac.uk%3cmailto:a.hardie at lancaster.ac.uk>>>

>

>>To: Open source development of the Corpus WorkBench

>

>>       <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it%3cmailto:cwb at sslmit.unibo.it>>>

>

>>Subject: Re: [CWB] CQPweb does not return results but blank  page

>

>>Message-ID:

>

>>       <LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM<mailto:LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM<mailto:LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM%3cmailto:LO4P265MB34856FD450732BBEFE2CB297CBBA9 at LO4P265MB3485.GBRP265.PROD.OUTLOOK.COM>>>

>

>>

>

>>Content-Type: text/plain; charset="iso-2022-jp"

>

>>

>

>>Hi David,

>

>>

>

>>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.

>

>>

>

>>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

>

>>

>

>>best

>

>>

>

>>Andrew.

>

>>

>

>>________________________________

>

>>From: cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it%3cmailto:cwb-bounces at sslmit.unibo.it>> <cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it<mailto:cwb-bounces at sslmit.unibo.it%3cmailto:cwb-bounces at sslmit.unibo.it>>> on behalf of ?? <yuyuan97 at 163.com<mailto:yuyuan97 at 163.com<mailto:yuyuan97 at 163.com%3cmailto:yuyuan97 at 163.com>>>

>

>>Sent: Friday, October 15, 2021 2:35:29 PM

>

>>To: cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it%3cmailto:cwb at sslmit.unibo.it>> <cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it<mailto:cwb at sslmit.unibo.it%3cmailto:cwb at sslmit.unibo.it>>>

>

>>Subject: [CWB] CQPweb does not return results but blank page

>

>>

>

>>Dear All,

>

>>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?).

>

>>

>

>>Best wishes,

>

>>David

>

>>

>

>>

>

>>

>

>>

>

>>

>

>>

>

>>

>

>>

>

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>>

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>

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>

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