Details
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Bug
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Resolution: Duplicate
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Minor
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None
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2.4.3, 2.5
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None
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MOODLE_24_STABLE, MOODLE_25_STABLE
Description
Discovered during testing MDL-39526, see the matching test instructions.
Test upgrade running concurrency
From step 10.
Browser 1 (admin) the first upgrade page is now displayed
Browser 2 (student) refresh course page => no warnings anymore
Browse 1 click on continue button
Browser 2 refresh the page multiple time. All good, toward the end the CSS disappears.
Browser 1 is on the server checks page confirmation (CSS disappear here too)
Browser 1 click on continue button
Browser 2 refresh, very quickly the CSS issue disappears, all go back to normal.
Browser 1 display correctly the plugin confirmation page
Browser 1 clicks on Upgrade database button
Browser 2 refresh and see the course page without CSS and with this warning:
Warning: fopen(/var/phpu_moodledata/altcache/core_pluginlist/mod/mod-f9d6c1387021d10b2fed10168999ed47.cache): failed to open stream: No such file or directory in /Users/jerome/Sites/integration/cache/stores/file/lib.php on line 339
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Note I wrote an issue for the warning: MDL-39645
