racket / racket/drracket

WXME corrupted and cannot be open

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Racket
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Description

We're not sure how this happened, but a student managed to get their file corrupted, and we can no longer open it in DrRacket. DrRacket reports the following error.

This error is quite severe as, because it's a WXME file, they cannot recover any of their progress. Thankfully this is a practice problems, but it could be a real problem if it happens on an assessment.

I've uploaded the file here (with the fake .txt extension to circumvent GitHub issues):
2019W1-F-starter.rkt.txt

The error is reproducible in 8.3.0.10 [cs], and 8.1 BC.

There was an error loading ..../Downloads/2019W1-F-starter.rkt.

insert-file in text%: error loading the file (mf-not-okay-after-adding-standard-style)

context:
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/mred/private/editor.rkt> 238 23 8905 1268))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/mred/private/editor.rkt> 225 19 8223 2280))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/framework/private/editor-misc.rkt> 127 10 5004 644))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/framework/private/frame.rkt> 1408 2 55910 9283))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/framework/private/frame.rkt> 762 2 30458 7931))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3609 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/framework/private/frame.rkt> 1058 2 42186 11053))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/framework/private/frame.rkt> 256 2 9082 7172))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/frame.rkt> 838 4 35448 1456))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/unit.rkt> 1411 4 64075 169494))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/module-language.rkt> 1620 4 74928 16237))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/debug.rkt> 1844 4 77405 7759))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/module-language-tools.rkt> 88 4 3388 5267))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/add-on/development/collects/spd-handin/client-gui.rkt> 454 6 16456 2126))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/add-on/development/collects/spd/spd-highlight-gui.rkt> 438 6 23646 5757))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/syncheck/gui.rkt> 2110 6 107995 25119))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/gui-debugger/debug-tool.rkt> 1148 6 55551 21765))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/macro-debugger/tool.rkt> 120 6 3595 11521))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/quickscript/tool.rkt> 68 6 1854 12561))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/deinprogramm-signature/deinprogramm/signature/tool.rkt> 18 6 412 2572))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/htdp-lib/stepper/xml-tool.rkt> 339 8 13619 3018))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/htdp-lib/stepper/stepper-tool.rkt> 173 2 5725 2601))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/htdp-lib/xml/text-box-tool.rkt> 21 5 397 646))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (continue-make-object . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3608 0 195659 2890))
  (do-make-object/real-class . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/private/class-internal.rkt> 3582 0 194445 1099))
  (create-new-drscheme-frame . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/unit.rkt> 5640 2 260324 393))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/contract/private/arrow-higher-order.rkt> 375 33 20717 125))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/contract/private/arrow-val-first.rkt> 489 18 20850 36))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/collects/racket/contract/private/arrow-val-first.rkt> 489 18 20850 36))
  (loop . #(struct:srcloc ".../private/map.rkt" 40 19 1374 258))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/drracket/drracket/private/main.rkt> 908 1 38354 1991))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt> 435 6 19067 1056))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt> 486 32 21054 120))
  (#f . #(struct:srcloc #<path:..../workspace/racket-dev/racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt> 634 3 26076 58))

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure with the attached 2019W1-F-starter.rkt WXME file in DrRacket 8.3.0.10 [cs] or 8.1 BC. Start at insert-file in gui-lib/mred/private/editor.rkt, especially the stack-trace locations around lines 225 and 238; done means DrRacket can open the supplied file without the mf-not-okay-after-adding-standard-style error.

Written by the indexing model from the issue text.

Assessment

Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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