[Webkit-unassigned] [Bug 159990] New: REGRESSION(r148588): ews classes might get garbage collected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159990

            Bug ID: 159990
           Summary: REGRESSION(r148588): ews classes might get garbage
                    collected
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aakash_jain at apple.com
                CC: lforschler at apple.com

sometimes running webkit-patch command for ews queues fails with below error.

buildbot$ ./Tools/Scripts/webkit-patch ios-ews --bot-id=bot110 --exit-after-iteration 1
Usage: webkit-patch [options] COMMAND [ARGS]

webkit-patch: error: no such option: --exit-after-iteration


It happens because webkit-patch sometimes do not know about ews classes. This happens because AbstractEarlyWarningSystem.load_ews_classes() is called in webkitpy/tool/commands/__init__.py, but the result is not stored in a variable and it might get garbage collected.

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