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TemplateData editor crash when a parameter name is temporarily modified
Closed, ResolvedPublic1 Estimated Story Points


If a parameter name is modified in the TemplateData editor, then immediately reverted back to its original value, the TemplateData editor crash when clicking on "Done" :

  • the TemplateData editor content is blank and buttons do not do anything, even "cancel" : it's impossible to go back to the page editor
  • the modification of the templatedata is lost
  • other modification to the template (or it's doc subpage) can be kept on Firefox by reloading the page but are also lost on Edge or Chrome.

Step to reproduce :

  1. Edit a template with parameters (eg w:Template:Template sandbox)
  2. Click on "Manage TemplateData"
  3. If necessary click on "Add 3 suggested parameters" (but the bug is also present on existing params)
  4. click on a parameter (named or not)
  5. change the name (eg. add a caracter)
  6. restore the initial name (by Ctrl+z, paste or manually)
  7. click "Done"

Tested on fr.wikipedia and en.wikipedia and on 28/7/2016, connected or not, with Firefox Chrome and Edge, Windows 10 and Ubuntu, all failed.

Event Timeline

Change 304959 had a related patch set uploaded (by Alex Monk):
Fix renaming of parameters to the same name

Change 304959 merged by jenkins-bot:
Fix renaming of parameters to the same name

Jdforrester-WMF triaged this task as High priority.
Jdforrester-WMF removed a project: Patch-For-Review.
Jdforrester-WMF set the point value for this task to 1.