generateSchemaChangeSql.php fails with "Class 'Seld\JsonLint\JsonParser' not found"
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Authored By

	Shirayuki
	May 3 2022, 9:58 PM

Description

List of steps to reproduce (step by step, including full links if applicable):

Run php generateSchemaChangeSql.php

What happens?:
Fails with error:

[ddf2d6a19b0267965e1a1d4e] [no req]   Error: Class 'Seld\JsonLint\JsonParser' not found
Backtrace:
from ...\mediawiki\includes\db\AbstractSchemaValidator.php(86)
#0 ...\mediawiki\maintenance\includes\SchemaMaintenance.php(228): MediaWiki\DB\AbstractSchemaValidator->validate(string)
#1 ...\mediawiki\maintenance\includes\SchemaMaintenance.php(178): SchemaMaintenance->getSchema(string)
#2 ...\mediawiki\maintenance\includes\SchemaMaintenance.php(149): SchemaMaintenance->writeSchema(string, string, string, string)
#3 ...\mediawiki\maintenance\doMaintenance.php(115): SchemaMaintenance->execute()
#4 ...\mediawiki\maintenance\generateSchemaChangeSql.php(90): require_once(string)
#5 {main}

What should have happened instead?:
Succeed without errors.

Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc.:

MediaWiki master and REL1_38 branch
PHP 7.4.3

Related Objects

Mentioned In: T307528: Add better handling to maintenance scripts for missing composer dev dependancies

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Shirayuki created this task.May 3 2022, 9:58 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 3 2022, 9:58 PM

Have you run composer update?

We don't ship dev dependancies, and therefore to run maintenance scripts like this (which exist for development purposes), you need to run composer yourself...

Reedy mentioned this in T307528: Add better handling to maintenance scripts for missing composer dev dependancies.May 3 2022, 10:02 PM

I have run composer update --no-dev. Should I run without --no-dev?

https://www.mediawiki.org/wiki/Download_from_Git#Fetch_external_libraries

Yes.

Aklapper added a project: MediaWiki-Maintenance-system.May 5 2022, 5:06 PM

generateSchemaChangeSql.php fails with "Class 'Seld\JsonLint\JsonParser' not found"Open, Needs TriagePublicBUG REPORTActions

Description

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Event Timeline

generateSchemaChangeSql.php fails with "Class 'Seld\JsonLint\JsonParser' not found"
Open, Needs TriagePublicBUG REPORT
Actions