[Webkit-unassigned] [Bug 171822] New: [Sierra Release wk2] Multiple LayoutTest/inspector/debugger test flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171822

            Bug ID: 171822
           Summary: [Sierra Release wk2] Multiple
                    LayoutTest/inspector/debugger test flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jlewis3 at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

The tests:

inspector/debugger/async-stack-trace.html is flaky failure

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fdebugger%2Fasync-stack-trace.html
Diff:
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/async-stack-trace-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/async-stack-trace-actual.txt
@@ -1,5 +1,7 @@
 Tests for async stack traces.

+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')
+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')

 == Running test suite: AsyncStackTrace
 -- Running test case: CheckAsyncStackTrace.RequestAnimationFrame

The test
inspector/debugger/break-on-exception-throw-in-promise.html
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fdebugger%2Fbreak-on-exception-throw-in-promise.html
Diff
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-exception-throw-in-promise-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-exception-throw-in-promise-actual.txt
@@ -25,6 +25,8 @@
 CONSOLE MESSAGE: line 86: Unhandled Promise Rejection: TestError
 Checking pause locations within Promises when pausing on all exceptions.

+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')
+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')

 == Running test suite: BreakOnAnyException.Promise
 -- Running test case: BreakOnAnyException.Promise.ExceptionInPromiseConstructor

the test
inspector/debugger/break-on-uncaught-exception-throw-in-promise.html
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fdebugger%2Fbreak-on-uncaught-exception-throw-in-promise.html
diff:
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-uncaught-exception-throw-in-promise-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-uncaught-exception-throw-in-promise-actual.txt
@@ -25,6 +25,8 @@
 CONSOLE MESSAGE: line 86: Unhandled Promise Rejection: TestError
 Checking no pauses within Promises when pausing on uncaught exceptions.

+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')
+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')

 == Running test suite: BreakOnUncaughtException.Promise
 -- Running test case: BreakOnUncaughtException.Promise.ExceptionInPromiseConstructor

The test
inspector/debugger/break-on-uncaught-exception.html
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=inspector%2Fdebugger%2Fbreak-on-uncaught-exception.html
diff
--- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-uncaught-exception-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/inspector/debugger/break-on-uncaught-exception-actual.txt
@@ -13,6 +13,8 @@
 CONSOLE MESSAGE: line 18: DONE
 Checking pause locations when pausing on uncaught exceptions.

+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')
+ERROR: TypeError: this._dispatcher is not an Object. (evaluating 'eventName in this._dispatcher')

 == Running test suite: BreakOnUncaughtException
 -- Running test case: BreakOnUncaughtException.UncaughtExceptionBasic



All four test seem to fail at the same time and in a very similar way.

Unsure that this is the reference point but this seem to start with these three revisions r216272, r216271, r216270
https://trac.webkit.org/log/webkit/?verbose=on&rev=216272&stop_rev=216270

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