Devtools: debugger > source panel is empty #37196
Description
Describe the bug:
On main branch DevTools is broken. There are warnings in logs that gives us good hint towards what might be causing the issue!
[2025-05-30T13:20:13Z WARN devtools::actor] message received for unknown actor "breakpoint-list33"
[2025-05-30T13:20:13Z DEBUG devtools::protocol] {"type":"setBreakpoint","location":{"sourceUrl":"file:///Users/atbrakhi/Documents/test/test.html","line":19,"column":0},"options":{},"to":"breakpoint-list34"}
[2025-05-30T13:20:13Z WARN devtools::actor] message received for unknown actor "breakpoint-list34"
[2025-05-30T13:20:13Z DEBUG devtools::protocol] {"type":"setBreakpoint","location":{"sourceUrl":"file:///Users/atbrakhi/Documents/codespace/servo/test.html","line":3,"column":4},"options":{},"to":"breakpoint-list35"}
[2025-05-30T13:20:13Z WARN devtools::actor] message received for unknown actor "breakpoint-list35"
[2025-05-30T13:20:13Z DEBUG devtools::protocol] {"type":"setBreakpoint","location":{"sourceUrl":"file:///Users/atbrakhi/Documents/codespace/servo/test.html","line":19,"column":0},"options":{},"to":"breakpoint-list36"}
[2025-05-30T13:20:13Z WARN devtools::actor] message received for unknown actor "breakpoint-list36"
[2025-05-30T13:20:13Z DEBUG devtools::protocol] {"type":"getAvailableEventBreakpoints","to":"thread12"}
[2025-05-30T13:20:13Z WARN devtools::actor] unexpected message type "getAvailableEventBreakpoints" found for actor "thread12"
[2025-05-30T13:20:13Z DEBUG devtools::protocol] {"type":"setActiveEventBreakpoints","ids":[],"to":"breakpoint-list36"}
[2025-05-30T13:20:13Z WARN devtools::actor] message received for unknown actor "breakpoint-list36"
To Reproduce:
Run DevTools and connect to the client you will notice debugger> source panel tab is empty.
To see the logs run DevTools with RUST_LOG="error,devtools=debug" ./mach run --devtools=6080
Platform:
Macos m2