[Bug]: error messages in browser console when opening local file with file:// url #30001
Labels
external-contributor
regression-prod-12.6.2
Regression bug that was found in production in release 12.6.2
type-bug
Comments
metamaskbot
added
external-contributor
regression-prod-12.6.2
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Describe the bug
When opening a html document via file:// url, i.e. a local file, the following two error messages appear in the console every time.
Extension ed7763e0-afa2-4da4-bee8-4d7f58fd6704 is metamask, verified by opening
moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/home.html.(empty.html is just
<!DOCTYPE html><html><head></head><body></body></html>)Opening the same file via temporary local server does not cause these errors.
Expected behavior
No errors polluting the log.
Screenshots/Recordings
No response
Steps to reproduce
Make a html file, open it directly without a local server, i.e. via file:// url, observe browser console.
Error messages or log output
SyntaxError: An invalid or illegal string was specified contentscript.js:1 _postMessage moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 _write moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 _handshake moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 d moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 initStreams moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 initStreams moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 [3]< moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 i moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 e moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 <anonym> moz-extension://ed7763e0-afa2-4da4-bee8-4d7f58fd6704/scripts/contentscript.js:1 #injectIntoIsolatedWorld resource://gre/modules/ExtensionContent.sys.mjs:687 inject resource://gre/modules/ExtensionContent.sys.mjs:672 AsyncFunctionNext self-hosted:800 DOMException: An invalid or illegal string was specified _postMessage file:///D:/Desktop/empty.html:1 _write file:///D:/Desktop/empty.html:1 _handshake file:///D:/Desktop/empty.html:1 f file:///D:/Desktop/empty.html:1 [1]</</< file:///D:/Desktop/empty.html:1 [1]</< file:///D:/Desktop/empty.html:1 [1]< file:///D:/Desktop/empty.html:1 s file:///D:/Desktop/empty.html:1 e file:///D:/Desktop/empty.html:1 <anonymous> file:///D:/Desktop/empty.html:1Detection stage
In production (default)
Version
12.6.2
Build type
None
Browser
Firefox
Operating system
Windows
Hardware wallet
No response
Additional context
No response
Severity
No response
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