1960170 - An error was detected when opening dev tools firefox

Status: RESOLVED DUPLICATE of bug 1954474

(DevTools :: Inspector, defect)

Description

[Nasib]

Attachment: Screenshot 2025-04-12 at 22.53.49.png

Error:
Error: Protocol error (NS_ERROR_XPC_BAD_CONVERT_NATIVE): Component returned failure code: 0x8057000a (NS_ERROR_XPC_BAD_CONVERT_NATIVE) [nsIJSEnumerator.next] from: server0.conn13.watcher3 (resource://devtools/server/connectors/js-process-actor/target-watchers/window-global.sys.mjs:160:0)

Server Stack: createTargetsForWatcher@resource://devtools/server/connectors/js-process-actor/target-watchers/window-global.sys.mjs:160:3
#watchNewTargetTypeForWatcher@resource://devtools/server/connectors/js-process-actor/DevToolsProcessChild.sys.mjs:203:40
receiveMessage@resource://devtools/server/connectors/js-process-actor/DevToolsProcessChild.sys.mjs:306:50

Stacktrace:
onPacket/<@resource://devtools/shared/protocol/Front.js:382:31
DevTools RDP*request@resource://devtools/shared/protocol/Front.js:299:14
generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol/Front/FrontClassWithSpec.js:47:19
startListening@resource://devtools/shared/commands/target/target-command.js:534:35
open@resource://devtools/client/framework/toolbox.js:944:41
_createToolbox@resource://devtools/client/framework/devtools.js:748:19

Comment 1

[Nasib]

macos sequoia 15.4 - Apple M1 Pro

Comment 2

[Nicolas Chevobbe [:nchevobbe]]

Thanks for the report Nasib. This looks like Bug 1954474 , which is going to be fixed in Firefox 138.