STR: * Set dom.webcomponents.enabled = true * Open https://gaia-components.github.io/gaia-components/ * Open DevTools * Press the 'click to select an element' button and hover over the "Input Label" text (part of the gaia-text-input element) Notice that the elements are not getting selected in the markup view and there are error spams in the console like this: NS_ERROR_ILLEGAL_VALUE: Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [inIDeepTreeWalker.currentNode] inspector.js:3119 Exception { message: "Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [inIDeepTreeWalker.currentNode]", result: 2147942487, name: "NS_ERROR_ILLEGAL_VALUE", filename: "resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/inspector.js", lineNumber: 3119, columnNumber: 0, inner: null, data: null, stack: "DocumentWalker@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/inspector.js:3119:2 WalkerActor<.children</getFilteredWalker@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/inspector.js:1516:13 WalkerActor<.children<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/inspector.js:1541:25 actorProto/</handler@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/protocol.js:955:18 DSC_onPacket@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/main.js:1407:14 LocalDebuggerTransport.prototype.send/<@resource://gre/modules/devtools/dbg-client.jsm -> resource://gre/modules/devtools/transport/transport.js:545:10 makeInfallible/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/DevToolsUtils.js:83:13 makeInfallible/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/DevToolsUtils.js:83:13 ", location: XPCWrappedNative_NoHelper } protocol.js:860

Inspector Bugs Triage - Filter on CLIMBING SHOES