When shutting down the inspector, I see this exception: I/GeckoDump( 5124): Handler function threw an exception: TypeError: this._boxModelHighlighter.off is not a function I/GeckoDump( 5124): Stack: HighlighterActor<.destroy@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/highlighter.js:84:7 I/GeckoDump( 5124): Pool<.destroy@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/protocol.js:775:9 I/GeckoDump( 5124): Actor<.destroy@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/protocol.js:839:5 I/GeckoDump( 5124): Pool<.cleanup@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/protocol.js:789:5 I/GeckoDump( 5124): DSC_onClosed/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1249:40 I/GeckoDump( 5124): DSC_onClosed@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1249:5 I/GeckoDump( 5124): ChildDebuggerTransport.prototype.close@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/transport/transport.js:697:5 I/GeckoDump( 5124): DebuggerServerConnection.prototype.close@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:897:5 I/GeckoDump( 5124): onDisconnect<@resource://gre/modules/devtools/server/child.js:52:5 I/GeckoDump( 5124): makeInfallible/<@resource://gre/modules/

Can't reproduce on Nightly now ( tried to shutdown inspector while having the highlighter displayed too ). Do you still see this Paul ?

> Do you still see this Paul ? No.