190966 2018-10-26 10:36:25 -0700 Web Inspector: Uncaught Exception: undefined is not an object (evaluating 'this._classListContainer.children') 2018-10-26 13:44:32 -0700 1 1 1 Unclassified WebKit Web Inspector WebKit Nightly Build All All RESOLVED FIXED file:///Volumes/DATA/Build/Release/WebInspectorUI.framework/Resources/Main.html InRadar P2 Normal --- 1 hi hi commit-queue hi inspector-bugzilla-changes joepeck webkit-bug-importer oldest_to_newest 1472492 0 hi 2018-10-26 10:36:25 -0700 ------- Inspected URL: file:///Volumes/DATA/Build/Release/WebInspectorUI.framework/Resources/Main.html Loading completed: true Frontend User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Dispatch Source: Protocol Event Protocol Event: {"method":"DOM.attributeModified","params":{"nodeId":161,"name":"class","value":"mac-platform mojave latest-mac web show-invalid-characters show-whitespace-characters docked bottom meta-key-pressed"}} Uncaught Exceptions: - undefined is not an object (evaluating 'this._classListContainer.children') (at GeneralStyleDetailsSidebarPanel.js:357:40) _populateClassToggles @ GeneralStyleDetailsSidebarPanel.js:357:40 _handleNodeAttributeModified @ GeneralStyleDetailsSidebarPanel.js:301:39 dispatch @ Object.js:170:30 dispatchEventToListeners @ Object.js:177:17 _attributeModified @ DOMManager.js:175:38 attributeModified @ DOMObserver.js:47:41 dispatchEvent @ InspectorBackend.js:298:42 _dispatchEvent @ Connection.js:193:32 dispatch @ Connection.js:71:32 dispatch @ InspectorBackend.js:152:49 dispatchNextQueuedMessageFromBackend @ MessageDispatcher.js:42:34 Additional Details: cause --> An uncaught exception was thrown while handling event: DOM.attributeModified ------- I was unable to reliably reproduce this. I just opened inspector2 and was shown this error. 1472493 1 353190 hi 2018-10-26 10:39:56 -0700 Created attachment 353190 Patch 1472571 2 353190 joepeck 2018-10-26 13:35:57 -0700 Comment on attachment 353190 Patch r=me 1472573 3 353190 commit-queue 2018-10-26 13:43:13 -0700 Comment on attachment 353190 Patch Clearing flags on attachment: 353190 Committed r237481: <https://trac.webkit.org/changeset/237481> 1472574 4 commit-queue 2018-10-26 13:43:15 -0700 All reviewed patches have been landed. Closing bug. 1472575 5 webkit-bug-importer 2018-10-26 13:44:32 -0700 <rdar://problem/45597933> 353190 2018-10-26 10:39:56 -0700 2018-10-26 13:43:13 -0700 Patch bug-190966-20181026103955.patch text/plain 2799 hi ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9DaGFuZ2VMb2cgYi9Tb3VyY2UvV2Vi SW5zcGVjdG9yVUkvQ2hhbmdlTG9nCmluZGV4IGQyZWUzNTcyZjRkMTE1ZmI4MjQxZTg5NDE3NWI5 NjVhY2FlMDgwODYuLjIxZDYzOWU0OTE4ZDQ5M2I3MDE0ZTFiYTYwZWQ3NWZlOWFjNTJkNjMgMTAw NjQ0Ci0tLSBhL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9DaGFuZ2VMb2cKKysrIGIvU291cmNlL1dl Ykluc3BlY3RvclVJL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE3IEBACisyMDE4LTEwLTI2ICBEZXZp biBSb3Vzc28gIDxkcm91c3NvQGFwcGxlLmNvbT4KKworICAgICAgICBXZWIgSW5zcGVjdG9yOiBV bmNhdWdodCBFeGNlcHRpb246IHVuZGVmaW5lZCBpcyBub3QgYW4gb2JqZWN0IChldmFsdWF0aW5n ICd0aGlzLl9jbGFzc0xpc3RDb250YWluZXIuY2hpbGRyZW4nKQorICAgICAgICBodHRwczovL2J1 Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTkwOTY2CisKKyAgICAgICAgUmV2aWV3ZWQg YnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgKiBVc2VySW50ZXJmYWNlL1ZpZXdzL0dlbmVy YWxTdHlsZURldGFpbHNTaWRlYmFyUGFuZWwuanM6CisgICAgICAgIChXSS5HZW5lcmFsU3R5bGVE ZXRhaWxzU2lkZWJhclBhbmVsLnByb3RvdHlwZS5sYXlvdXQpOgorICAgICAgICAoV0kuR2VuZXJh bFN0eWxlRGV0YWlsc1NpZGViYXJQYW5lbC5wcm90b3R5cGUuX2NsYXNzVG9nZ2xlQnV0dG9uQ2xp Y2tlZCk6CisgICAgICAgIChXSS5HZW5lcmFsU3R5bGVEZXRhaWxzU2lkZWJhclBhbmVsLnByb3Rv dHlwZS5fcG9wdWxhdGVDbGFzc1RvZ2dsZXMpOgorICAgICAgICBEb24ndCB0cnkgdG8gcmVsb2Fk IHRoZSBjbGFzcyB0b2dnbGVzIGlmIHRoZSB3ZSBoYXZlbid0IGBsYXlvdXRgIHlldCwgYXMgdGhl IGVsZW1lbnQgd29uJ3QKKyAgICAgICAgeWV0IGV4aXN0LgorCiAyMDE4LTEwLTI1ICBEZXZpbiBS b3Vzc28gIDxkcm91c3NvQGFwcGxlLmNvbT4KIAogICAgICAgICBXZWIgSW5zcGVjdG9yOiBDYW52 YXMgUmVjb3JkaW5nIGxvYWRpbmcgZ29lcyBzaWduaWZpY2FudGx5IHNsb3dlciB3aGVuICJGcmFt ZSIgdHJlZSBlbGVtZW50IGlzIGV4cGFuZGVkCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViSW5zcGVj dG9yVUkvVXNlckludGVyZmFjZS9WaWV3cy9HZW5lcmFsU3R5bGVEZXRhaWxzU2lkZWJhclBhbmVs LmpzIGIvU291cmNlL1dlYkluc3BlY3RvclVJL1VzZXJJbnRlcmZhY2UvVmlld3MvR2VuZXJhbFN0 eWxlRGV0YWlsc1NpZGViYXJQYW5lbC5qcwppbmRleCAyNjY3N2U1YzM3ZGUyOGI3MDllNzQ5ODFl N2FlYjE1MGJmM2E2Y2RmLi41MmQzOTY3NTFkNzIwYTRhODg2NDBjN2I1ODQzMmI0ZGY4ZjlhOTcx IDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViSW5zcGVjdG9yVUkvVXNlckludGVyZmFjZS9WaWV3cy9H ZW5lcmFsU3R5bGVEZXRhaWxzU2lkZWJhclBhbmVsLmpzCisrKyBiL1NvdXJjZS9XZWJJbnNwZWN0 b3JVSS9Vc2VySW50ZXJmYWNlL1ZpZXdzL0dlbmVyYWxTdHlsZURldGFpbHNTaWRlYmFyUGFuZWwu anMKQEAgLTEwNCw5ICsxMDQsNyBAQCBXSS5HZW5lcmFsU3R5bGVEZXRhaWxzU2lkZWJhclBhbmVs ID0gY2xhc3MgR2VuZXJhbFN0eWxlRGV0YWlsc1NpZGViYXJQYW5lbCBleHRlbgogICAgICAgICB0 aGlzLl9wYW5lbC5tYXJrQXNOZWVkc1JlZnJlc2goZG9tTm9kZSk7CiAKICAgICAgICAgdGhpcy5f dXBkYXRlUHNldWRvQ2xhc3NDaGVja2JveGVzKCk7Ci0KLSAgICAgICAgaWYgKCF0aGlzLl9jbGFz c0xpc3RDb250YWluZXIuaGlkZGVuKQotICAgICAgICAgICAgdGhpcy5fcG9wdWxhdGVDbGFzc1Rv Z2dsZXMoKTsKKyAgICAgICAgdGhpcy5fcG9wdWxhdGVDbGFzc1RvZ2dsZXMoKTsKICAgICB9CiAK ICAgICBhZGRFdmVudExpc3RlbmVycygpCkBAIC0zMjQsOSArMzIyLDYgQEAgV0kuR2VuZXJhbFN0 eWxlRGV0YWlsc1NpZGViYXJQYW5lbCA9IGNsYXNzIEdlbmVyYWxTdHlsZURldGFpbHNTaWRlYmFy UGFuZWwgZXh0ZW4KICAgICAgICAgdGhpcy5fY2xhc3NUb2dnbGVCdXR0b24uY2xhc3NMaXN0LnRv Z2dsZSgic2VsZWN0ZWQiKTsKICAgICAgICAgdGhpcy5fY2xhc3NMaXN0Q29udGFpbmVyLmhpZGRl biA9ICF0aGlzLl9jbGFzc0xpc3RDb250YWluZXIuaGlkZGVuOwogICAgICAgICB0aGlzLl9jbGFz c0xpc3RDb250YWluZXJUb2dnbGVkU2V0dGluZy52YWx1ZSA9ICF0aGlzLl9jbGFzc0xpc3RDb250 YWluZXIuaGlkZGVuOwotICAgICAgICBpZiAodGhpcy5fY2xhc3NMaXN0Q29udGFpbmVyLmhpZGRl bikKLSAgICAgICAgICAgIHJldHVybjsKLQogICAgICAgICB0aGlzLl9wb3B1bGF0ZUNsYXNzVG9n Z2xlcygpOwogICAgIH0KIApAQCAtMzUzLDYgKzM0OCw5IEBAIFdJLkdlbmVyYWxTdHlsZURldGFp bHNTaWRlYmFyUGFuZWwgPSBjbGFzcyBHZW5lcmFsU3R5bGVEZXRhaWxzU2lkZWJhclBhbmVsIGV4 dGVuCiAKICAgICBfcG9wdWxhdGVDbGFzc1RvZ2dsZXMoKQogICAgIHsKKyAgICAgICAgaWYgKCF0 aGlzLl9jbGFzc0xpc3RDb250YWluZXIgfHwgdGhpcy5fY2xhc3NMaXN0Q29udGFpbmVyLmhpZGRl bikKKyAgICAgICAgICAgIHJldHVybjsKKwogICAgICAgICAvLyBFbnN1cmUgdGhhdCBfYWRkQ2xh c3NDb250YWluZXIgaXMgdGhlIGZpcnN0IGNoaWxkIG9mIF9jbGFzc0xpc3RDb250YWluZXIuCiAg ICAgICAgIHdoaWxlICh0aGlzLl9jbGFzc0xpc3RDb250YWluZXIuY2hpbGRyZW4ubGVuZ3RoID4g MSkKICAgICAgICAgICAgIHRoaXMuX2NsYXNzTGlzdENvbnRhaW5lci5jaGlsZHJlblsxXS5yZW1v dmUoKTsK