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Trying to install "Wiris Quizzes for Moodle" version 2017051000 on moodle 3.3 but get
Fatal error: Cannot redeclare decode_html_entities() (previously declared in /home/.../www/question/type/wq/lib.php:19) in /home/.../www/question/type/wq/db/upgrade.php on line 105

The following warning appears after upgrading to PHP 7.4

Deprecated: Array and string offset access syntax with curly braces is deprecated in C:\inetpub\wwwroot\moodle\question\type\wq\quizzes\lib\php\Boot.class.php on line 221

All accesses to array elements and string offsets now show a deprecation message. They will stop working on php 8.0

Related issue from Moodle core: https://tracker.moodle.org/browse/MDL-66319

Hello,

We are reviewing the use of PHP 7.4.

When is it expected for this plugin to work with PHP 7.4?

Deprecated: Array and string offset access syntax with curly braces is deprecated in /vagrant/www/moodle/question/type/wq/quizzes/lib/php/Boot.class.php on line 221

Call Stack:
    0.0003     409008   1. {main}() /vagrant/www/moodle/admin/tool/phpunit/cli/util.php:0
    2.1006   20483808   2. phpunit_util::install_site() /vagrant/www/moodle/admin/tool/phpunit/cli/util.php:151
    2.1028   20484240   3. install_cli_database() /vagrant/www/moodle/lib/phpunit/classes/util.php:466
  633.8123  101067608   4. admin_apply_default_settings() /vagrant/www/moodle/lib/installlib.php:512
  633.8392  101067512   5. admin_get_root() /vagrant/www/moodle/lib/adminlib.php:8734
  638.4309  105865152   6. require('/vagrant/www/moodle/admin/settings/plugins.php') /vagrant/www/moodle/lib/adminlib.php:8708
  648.0949  142559936   7. core\plugininfo\block->load_settings() /vagrant/www/moodle/admin/settings/plugins.php:81
  648.0972  142564312   8. include('/vagrant/www/moodle/blocks/sharing_cart/settings.php') /vagrant/www/moodle/lib/classes/plugininfo/block.php:99
  648.2034  142625088   9. admin_setting_configmulticheckboxqtypes->__construct() /vagrant/www/moodle/blocks/sharing_cart/settings.php:43
  648.2034  142625088  10. question_bank::get_all_qtypes() /vagrant/www/moodle/blocks/sharing_cart/lib/settingslib.php:162
  648.2419  143881392  11. question_bank::get_qtype() /vagrant/www/moodle/question/engine/bank.php:154
  648.2432  143905336  12. include_once('/vagrant/www/moodle/question/type/essaywiris/questiontype.php') /vagrant/www/moodle/question/engine/bank.php:100
  648.2446  143952824  13. require_once('/vagrant/www/moodle/question/type/wq/questiontype.php') /vagrant/www/moodle/question/type/essaywiris/questiontype.php:19
  648.2456  143953960  14. require_once('/vagrant/www/moodle/question/type/wq/config.php') /vagrant/www/moodle/question/type/wq/questiontype.php:19
  648.2470  143957600  15. require_once('/vagrant/www/moodle/question/type/wq/quizzes/quizzes.php') /vagrant/www/moodle/question/type/wq/config.php:19
  648.2495  143978912  16. com_wiris_system_CallWrapper->init() /vagrant/www/moodle/question/type/wq/quizzes/quizzes.php:9

Hi
We have upgraded to the latest code and now our uses are getting the attached deprecation message which is very concerning. And also the attached error.

provider_testcase::test_userdata_provider_implements_userlist with data set "qtype_wq" ('qtype_wq', 'qtype_wq\privacy\provider')
Failed asserting that false is true.

To re-run:
vendor/bin/phpunit "provider_testcase" privacy/tests/provider_test.php

Cheers

Hi,
When I was translating the Question types: WIRIS QUIZZES Commons question type plugin in AMOS, I noticed a strange-looking English language string:

wqsummary | qtype_wq
This adds a generic WIRIS question. Only for test purpose. It will be hide from here

I wonder if it should be 'hidden' insted of 'hide'

Thanks in advance for your help.

We are receiving reports about quizzes with around 100 students having problems with wiris questions.
We have raised the max_connections parameter in configuration.ini to 50 from the original 20 (on each of our 3 load balanced front ends) but will have to monitor closely the resource consumption as the waiting processes also reserve database connections and possibly other resources.
But we think there might be some additional underlying problems with the connection queueing/pooling mechanism:
I'm attaching screenshots from a couple users. Our installation is Moodle 3.9 using PHP 7.3.11

'object' class has been deprecated, please use stdClass instead.

line 71 of /lib/setuplib.php: call to debugging()
line 105 of /question/type/wq/step.php: call to object->__construct()
line 193 of /question/type/shortanswerwiris/question.php: call to qtype_wirisstep->set_var()
line 67 of /question/type/shortanswerwiris/question.php: call to qtype_shortanswerwiris_question->get_matching_answer()
line 109 of /question/behaviour/deferredfeedback/behaviour.php: call to qtype_shortanswerwiris_question->grade_response()
line 57 of /question/behaviour/deferredfeedback/behaviour.php: call to qbehaviour_deferredfeedback->process_finish()
line 1233 of /question/engine/questionattempt.php: call to qbehaviour_deferredfeedback->process_action()
line 1271 of /question/engine/questionattempt.php: call to question_attempt->process_action()
line 839 of /question/engine/questionusage.php: call to question_attempt->finish()
line 167 of /question/preview.php: call to question_usage_by_activity->finish_all_questions()

Replacing the $gc = new Object(); with $gc = new stdClass(); seems to fix the issue for me.

Hi

The follow error appears if a student finishs his quiz. We use Moodle 3.10 with PHP 7.4.28.
out of nothing. it didn't work anymore. please help me.

BUG Wiris.txt

uncaught exception: Call to a member function release() on bool

in file: /home/stromna1/public_html/lernplattform/question/type/wq/classes/moodlelockprovider.class.php line 56
#0 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/SharedVariables.class.php(22): moodlelockprovider->getLock('wiris_maxconnec...')
#1 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/MaxConnectionsHttpImpl.class.php(19): com_wiris_quizzes_impl_SharedVariables->lockVariable('wiris_maxconnec...')
#2 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/MaxConnectionsHttpImpl.class.php(84): com_wiris_quizzes_impl_MaxConnectionsHttpImpl->getConnectionSlot()
#3 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/QuizzesServiceImpl.class.php(43): com_wiris_quizzes_impl_MaxConnectionsHttpImpl->request(true)
#4 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/QuizzesServiceImpl.class.php(54): com_wiris_quizzes_impl_QuizzesServiceImpl->callService(Object(com_wiris_quizzes_impl_MultipleQuestionRequest), false, Object(com_wiris_quizzes_impl_QuizzesServiceSyncListener), false)
#5 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/QuizzesServiceImpl.class.php(58): com_wiris_quizzes_impl_QuizzesServiceImpl->executeMultipleImpl(Object(com_wiris_quizzes_impl_MultipleQuestionRequest), Object(com_wiris_quizzes_impl_QuizzesServiceSyncListener), false)
#6 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/QuizzesServiceImpl.class.php(84): com_wiris_quizzes_impl_QuizzesServiceImpl->executeMultiple(Object(com_wiris_quizzes_impl_MultipleQuestionRequest))
#7 /home/stromna1/public_html/lernplattform/question/type/wq/quizzes/lib/com/wiris/quizzes/wrap/QuizzesServiceWrap.class.php(30): com_wiris_quizzes_impl_QuizzesServiceImpl->execute(Object(com_wiris_quizzes_impl_QuestionRequestImpl))
#8 /home/stromna1/public_html/lernplattform/question/type/wq/question.php(351): com_wiris_quizzes_wrap_QuizzesServiceWrap->execute(Object(com_wiris_quizzes_impl_QuestionRequestImpl))
#9 /home/stromna1/public_html/lernplattform/question/type/shortanswerwiris/question.php(188): qtype_wq_question->call_wiris_service(Object(com_wiris_quizzes_wrap_QuestionRequestWrap))
#10 /home/stromna1/public_html/lernplattform/question/type/shortanswerwiris/question.php(81): qtype_shortanswerwiris_question->get_matching_answer(Array)
#11 /home/stromna1/public_html/lernplattform/question/behaviour/immediatefeedback/behaviour.php(131): qtype_shortanswerwiris_question->grade_response(Array)
#12 /home/stromna1/public_html/lernplattform/question/behaviour/immediatefeedback/behaviour.php(85): qbehaviour_immediatefeedback->process_finish(Object(question_attempt_pending_step))
#13 /home/stromna1/public_html/lernplattform/question/engine/questionattempt.php(1356): qbehaviour_immediatefeedback->process_action(Object(question_attempt_pending_step))
#14 /home/stromna1/public_html/lernplattform/question/engine/questionattempt.php(1396): question_attempt->process_action(Array, 1646921576, NULL)
#15 /home/stromna1/public_html/lernplattform/question/engine/questionusage.php(859): question_attempt->finish(1646921576)
#16 /home/stromna1/public_html/lernplattform/mod/quiz/attemptlib.php(2171): question_usage_by_activity->finish_all_questions(1646921576)
#17 /home/stromna1/public_html/lernplattform/mod/quiz/attemptlib.php(2443): quiz_attempt->process_finish(1646921576, true)
#18 /home/stromna1/public_html/lernplattform/mod/quiz/processattempt.php(89): quiz_attempt->process_attempt(1646921576, 1, 0, 0)
#19 {main}

We are unable to regrade wiris quizzes.

This is the initial error and stack trace:

Sorry! The system can not generate one of the questions of the quiz.
Maybe there is a temporary connection problem right now.
Maybe the question algorithm has a bug, and fails sometimes.
Maybe it will fail always.
Don't panic...
You can retry the quiz, without penalty, just clicking Continue.
You can also tell the Teachers that there is an issue with the question titled: 'Normal distribution 1'

More information about this error

×Debug info:
Error code: wirisquestionincorrect
×Stack trace:
line 328 of /question/type/wq/question.php: moodle_exception thrown
line 169 of /question/type/multianswerwiris/question.php: call to qtype_wq_question->call_wiris_service()
line 216 of /question/type/multianswerwiris/question.php: call to qtype_multianswerwiris_question->set_shortanswer_matching_answers()
line 151 of /question/behaviour/adaptive/behaviour.php: call to qtype_multianswerwiris_question->grade_response()
line 95 of /question/behaviour/adaptive/behaviour.php: call to qbehaviour_adaptive->process_submit()
line 1233 of /question/engine/questionattempt.php: call to qbehaviour_adaptive->process_action()
line 1307 of /question/engine/questionattempt.php: call to question_attempt->process_action()
line 876 of /question/engine/questionusage.php: call to question_attempt->regrade()
line 379 of /mod/quiz/report/overview/report.php: call to question_usage_by_activity->regrade_question()
line 450 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->regrade_attempt()
line 307 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->regrade_attempts()
line 99 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->process_actions()
line 96 of /mod/quiz/report.php: call to quiz_overview_report->display()

If I comment out the try and catch block in the function 'call_wiris_service' then the stack trace is:

Exception - Remote exception: java.io.IOException: Connexion error while connecting with wiris kernel: Connection reset

More information about this error

×Debug info:
Error code: generalexceptionmessage
×Stack trace:
line 38 of /question/type/wq/quizzes/lib/com/wiris/quizzes/wrap/QuizzesServiceWrap.class.php: HException thrown
line 315 of /question/type/wq/question.php: call to com_wiris_quizzes_wrap_QuizzesServiceWrap->execute()
line 169 of /question/type/multianswerwiris/question.php: call to qtype_wq_question->call_wiris_service()
line 216 of /question/type/multianswerwiris/question.php: call to qtype_multianswerwiris_question->set_shortanswer_matching_answers()
line 151 of /question/behaviour/adaptive/behaviour.php: call to qtype_multianswerwiris_question->grade_response()
line 95 of /question/behaviour/adaptive/behaviour.php: call to qbehaviour_adaptive->process_submit()
line 1233 of /question/engine/questionattempt.php: call to qbehaviour_adaptive->process_action()
line 1307 of /question/engine/questionattempt.php: call to question_attempt->process_action()
line 876 of /question/engine/questionusage.php: call to question_attempt->regrade()
line 379 of /mod/quiz/report/overview/report.php: call to question_usage_by_activity->regrade_question()
line 450 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->regrade_attempt()
line 307 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->regrade_attempts()
line 99 of /mod/quiz/report/overview/report.php: call to quiz_overview_report->process_actions()
line 96 of /mod/quiz/report.php: call to quiz_overview_report->display()

Error / Stack trace:

uncaught exception: join(): Passing glue string after array is deprecated. Swap the parameters (errno: 8192) in /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php at line #834join(): Passing glue string after array is deprecated. Swap the parameters

in file: /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php line 834
#0 [internal function]: _hx_error_handler(8192, 'join(): Passing...', '/var/www/html/q...', 834, Array)
#1 /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php(834): join(Array, '.')
#2 /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php(843): _hx_build_paths('/var/www/html/q...', Array, Array, NULL)
#3 /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php(843): _hx_build_paths('/var/www/html/q...', Array, Array, NULL)
#4 /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php(843): _hx_build_paths('/var/www/html/q...', Array, Array, NULL)
#5 /var/www/html/question/type/wq/quizzes/lib/php/Boot.class.php(853): _hx_build_paths('/var/www/html/q...', Array, Array, NULL)
#6 /var/www/html/question/type/wq/quizzes/lib/com/wiris/system/CallWrapper.class.php(44): require_once('/var/www/html/q...')
#7 /var/www/html/question/type/wq/quizzes/quizzes.php(9): com_wiris_system_CallWrapper->init('/var/www/html/q...')
#8 /var/www/html/question/type/wq/config.php(19): require_once('/var/www/html/q...')
#9 /var/www/html/question/type/wq/questiontype.php(19): require_once('/var/www/html/q...')
#10 /var/www/html/question/type/essaywiris/questiontype.php(19): require_once('/var/www/html/q...')
#11 /var/www/html/question/engine/bank.php(100): include_once('/var/www/html/q...')
#12 /var/www/html/question/engine/bank.php(154): question_bank::get_qtype('essaywiris')
#13 /var/www/html/mod/quiz/classes/output/edit_renderer.php(1186): question_bank::get_all_qtypes()
#14 /var/www/html/mod/quiz/classes/output/edit_renderer.php(109): mod_quiz\output\edit_renderer->initialise_editing_javascript(Object(mod_quiz\structure), Object(question_edit_contexts), Array, Object(moodle_url))
#15 /var/www/html/mod/quiz/edit.php(211): mod_quiz\output\edit_renderer->edit_page(Object(quiz), Object(mod_quiz\structure), Object(question_edit_contexts), Object(moodle_url), Array)
#16 {main}
 

Error occurs when using PHP 7.4, downgrading to PHP 7.3 resolves the error.

Hi, if the question attempt was gaveup, the step data would not have a filed with answer, and it occurs the displaying issues by an error of "Compound answer index out of bounds." when people do the quiz reviewing (all question in one page).

I am using PHP 7.1 and Moodle 3.4.1+ (build 20180201) with the latest wiris plugin.

Is any existing solution to solve this?

Hi.

We have a problem with qtype_wq php classes. After upgrading to Moodle 3.9 and PHP 7.4.11 we get similar errors in out tests:
uncaught exception: Class 'com_wiris_quizzes_impl_ConfigurationImpl' not found

in file: /srv/moodle/public_html/question/type/wq/quizzes/lib/com/wiris/quizzes/impl/QuizzesBuilderImpl.class.php line 678
#0 /srv/moodle/public_html/question/type/wq/quizzes/lib/com/wiris/quizzes/wrap/QuizzesBuilderWrap.class.php(25): com_wiris_quizzes_impl_QuizzesBuilderImpl->getConfiguration()
#1 /srv/moodle/public_html/question/type/wq/quizzes/lib/com/wiris/quizzes/wrap/QuizzesBuilderWrap.class.php(13): com_wiris_quizzes_wrap_QuizzesBuilderWrap->setReferrerPHP()
#2 /srv/moodle/public_html/question/type/wq/quizzes/lib/com/wiris/quizzes/wrap/QuizzesBuilderWrap.class.php(336): com_wiris_quizzes_wrap_QuizzesBuilderWrap->__construct()
#3 /srv/moodle/public_html/question/type/wq/quizzes/lib/com/wiris/quizzes/api/QuizzesBuilder.class.php(62): com_wiris_quizzes_wrap_QuizzesBuilderWrap::getInstance()
#4 /srv/moodle/public_html/question/type/wq/questiontype.php(122): com_wiris_quizzes_api_QuizzesBuilder::getInstance()
#5 /srv/moodle/public_html/question/type/essaywiris/questiontype.php(73): qtype_wq->initialise_question_instance(Object(qtype_essaywiris_question), Object(stdClass))
#6 /srv/moodle/public_html/question/type/questiontypebase.php(872): qtype_essaywiris->initialise_question_instance(Object(qtype_essaywiris_question), Object(stdClass))
#7 /srv/moodle/public_html/question/engine/bank.php(288): question_type->make_question(Object(stdClass), false)
#8 /srv/moodle/public_html/question/engine/bank.php(278): question_bank::make_question(Object(stdClass))
#9 /srv/moodle/public_html/mod/quiz/classes/structure.php(204): question_bank::load_question('8574689')
#10 /srv/moodle/public_html/mod/quiz/classes/output/edit_renderer.php(543): mod_quiz\structure->can_finish_during_the_attempt('1')
#11 /srv/moodle/public_html/mod/quiz/classes/output/edit_renderer.php(510): mod_quiz\output\edit_renderer->question_row(Object(mod_quiz\structure), '1', Object(question_edit_contexts), Array, Object(moodle_url))
#12 /srv/moodle/public_html/mod/quiz/classes/output/edit_renderer.php(94): mod_quiz\output\edit_renderer->questions_in_section(Object(mod_quiz\structure), Object(stdClass), Object(question_edit_contexts), Array, Object(moodle_url))
#13 /srv/moodle/public_html/mod/quiz/edit.php(211): mod_quiz\output\edit_renderer->edit_page(Object(quiz), Object(mod_quiz\structure), Object(question_edit_contexts), Object(moodle_url), Array)
#14 {main}

Right now i have tried to include class paths manually, but it's not working and gets stuck on including interfaces.