some 503s being caused by activator panic & container restart #12676
Description
What version of Knative?
1.2
Crash
panic: interface conversion: interface {} is cache.DeletedFinalStateUnknown, not *v1.Revision
goroutine 91 [running]:
k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0x1})
k8s.io/[email protected]/pkg/util/runtime/runtime.go:55 +0xd8
panic({0x18a2d20, 0xc0015acea0})
runtime/panic.go:1038 +0x215
knative.dev/serving/pkg/activator/net.(*Throttler).revisionDeleted(0x4067e0, {0x192cf80, 0xc00093c820})
knative.dev/serving/pkg/activator/net/throttler.go:573 +0x2a5
k8s.io/client-go/tools/cache.ResourceEventHandlerFuncs.OnDelete(...)
k8s.io/[email protected]/tools/cache/controller.go:245
k8s.io/client-go/tools/cache.(*processorListener).run.func1()
k8s.io/[email protected]/tools/cache/shared_informer.go:779 +0xdf
k8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1(0x7f90530d6d98)
k8s.io/[email protected]/pkg/util/wait/wait.go:155 +0x67
k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0xc000073738, {0x1d17460, 0xc000b1d350}, 0x1, 0xc000b62240)
k8s.io/[email protected]/pkg/util/wait/wait.go:156 +0xb6
k8s.io/apimachinery/pkg/util/wait.JitterUntil(0xc000574540, 0x3b9aca00, 0x0, 0x17, 0xc0000737b0)
k8s.io/[email protected]/pkg/util/wait/wait.go:133 +0x89
k8s.io/apimachinery/pkg/util/wait.Until(...)
k8s.io/[email protected]/pkg/util/wait/wait.go:90
k8s.io/client-go/tools/cache.(*processorListener).run(0xc000b1a700)
k8s.io/[email protected]/tools/cache/shared_informer.go:771 +0x6b
k8s.io/apimachinery/pkg/util/wait.(*Group).Start.func1()
k8s.io/[email protected]/pkg/util/wait/wait.go:73 +0x5a
created by k8s.io/apimachinery/pkg/util/wait.(*Group).Start
k8s.io/[email protected]/pkg/util/wait/wait.go:71 +0x88
/assign @dprotaso