After saving the silence, you get the following JavaScript warning. Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in a useEffect cleanup function.
1. Confirm 4.5.0-0.nightly-2020-05-09-003922 has included bug fix # oc adm release info registry.svc.ci.openshift.org/ocp/release:4.5.0-0.nightly-2020-05-09-003922 --pullspecs | grep console console quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:b4b07b50a9b4ac8695c445d76df6e8bbbfd8a0972988e87db2955a50ed9be90a console-operator quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:3e7658b9eed326c33e271547c4c3622a8b505b04502014bacc9cedb71e7edbb0 # oc image info quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:b4b07b50a9b4ac8695c445d76df6e8bbbfd8a0972988e87db2955a50ed9be90a | grep commit io.openshift.build.commit.id=b818091c904b3e0dc27290142a982e36ed36222a io.openshift.build.commit.url=https://github.com/openshift/console/commit/b818091c904b3e0dc27290142a982e36ed36222a # git log b818091c904b3e0dc27290142a982e36ed36222a | grep '#5357' Merge pull request #5357 from kyoto/monitoring-silence-set-state-warnings 2. Go to silence form page /monitoring/silences/~new, press F12 to open developer console 3. Toggle changes such as Start Immediately, add Labels and other info 4. Save the changes by click at 'Silence' button, the error in bug description doesn't appear Moving to VERIFIED
typo in comment 3, it should be # git log b818091c904b3e0dc27290142a982e36ed36222a | grep '#5356' Merge pull request #5356 from kyoto/monitoring-silence-save-warning
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2409