STR: 1. Ctrl+Shift+J to open Browser Console. (Optional: click the garbage-can to empty it of anything that's there) 2. Click the funnel icon to the left of "filter output", and click "CSS" to turn on that logging option. (It's off by default.) ACTUAL RESULTS: These 5 JavaScript errors immediately appear: ==== Error while calling actor 'parentProcessTarget's method 'ensureCSSErrorReportingEnabled' Argument 1 of InspectorUtils.getAllStyleSheets is not an object. protocol.js:1048:5 ensureCSSErrorReportingEnabled@resource://devtools/server/actors/targets/browsing-context.js:1003:9 handler@resource://devtools/shared/protocol.js:1206:21 onPacket@resource://devtools/server/main.js:1279:15 send/<@resource://devtools/shared/transport/local-transport.js:64:11 exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14 exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14 protocol.js:1051:7 stylesheets actor: fetch failed for data:text/css,, using system principal instead. stylesheets.js:213:5 uncaught exception: Protocol error (unknownError): Argument 1 of InspectorUtils.getAllStyleSheets is not an object. NS_BASE_STREAM_CLOSED: Component returned failure code: 0x80470002 (NS_BASE_STREAM_CLOSED) [nsIInputStream.available] DevToolsUtils.js:607 ==== EXPECTED RESULTS: No such errors.
Bug 1523020 Comment 0 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
STR: 1. Ctrl+Shift+J to open Browser Console. (Optional: click the garbage-can to empty it of anything that's there) 2. Click the funnel icon to the left of "filter output", and click "CSS" to turn on that logging option. (It's off by default.) ACTUAL RESULTS: These 5 JavaScript errors immediately appear: ///// Error while calling actor 'parentProcessTarget's method 'ensureCSSErrorReportingEnabled' Argument 1 of InspectorUtils.getAllStyleSheets is not an object. protocol.js:1048:5 ensureCSSErrorReportingEnabled@resource://devtools/server/actors/targets/browsing-context.js:1003:9 handler@resource://devtools/shared/protocol.js:1206:21 onPacket@resource://devtools/server/main.js:1279:15 send/<@resource://devtools/shared/transport/local-transport.js:64:11 exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14 exports.makeInfallible/<@resource://devtools/shared/ThreadSafeDevToolsUtils.js:109:14 protocol.js:1051:7 stylesheets actor: fetch failed for data:text/css,, using system principal instead. stylesheets.js:213:5 uncaught exception: Protocol error (unknownError): Argument 1 of InspectorUtils.getAllStyleSheets is not an object. NS_BASE_STREAM_CLOSED: Component returned failure code: 0x80470002 (NS_BASE_STREAM_CLOSED) [nsIInputStream.available] DevToolsUtils.js:607 ///// EXPECTED RESULTS: No such errors.