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[k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite} #26955

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k8s-github-robot opened this issue Jun 7, 2016 · 14 comments
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[k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite} #26955

k8s-github-robot opened this issue Jun 7, 2016 · 14 comments
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@ncdc @sttts @cjcullen
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kind/flake Categorizes issue or PR as related to a flaky test. priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release.

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https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/kubernetes-e2e-gke/8647/

Failed: [k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite}

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:196
Jun  7 04:01:33.404: Pod did not stop running: timed out waiting for the condition
@k8s-github-robot k8s-github-robot added the kind/flake Categorizes issue or PR as related to a flaky test. label Jun 7, 2016
@fejta fejta assigned sttts and ncdc Jun 7, 2016
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ncdc commented Jun 7, 2016

So far I haven't found anything in the logs. The pfpod container starts, the e2e test receives all the data from it. At that time, the container should exit and the pod should be stopped. For some reason, either the container doesn't stop, or the kubelet doesn't see it stop. It's hard to tell which because the logs don't have enough information to make that determination.

@sttts sttts mentioned this issue Jun 8, 2016
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k8s-github-robot pushed a commit that referenced this issue Jun 10, 2016
Merge pull request #27031 from sttts/sttts-flake-26955-pod-logs
c71fd7b 
Automatic merge from submit-queue

Flake 26955: portforwarding e2e: print logs when pod doesn't terminate

For more insights why flake #26955 happens.
@k8s-github-robot k8s-github-robot mentioned this issue Jun 23, 2016
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@k8s-github-robot k8s-github-robot mentioned this issue Jul 13, 2016
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https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/kubernetes-e2e-gke/11769/

Failed: [k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite}

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:220
Jul 23 05:27:02.335: Failed to read from kubectl port-forward stdout: EOF

@k8s-github-robot k8s-github-robot added the priority/backlog Higher priority than priority/awaiting-more-evidence. label Jul 23, 2016
This was referenced Aug 23, 2016
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sttts commented Aug 26, 2016

Might be the same issue as #27680

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[FLAKE-PING] @ncdc @sttts

This flaky-test issue would love to have more attention.

This was referenced Sep 3, 2016
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@k8s-github-robot
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[FLAKE-PING] @ncdc @sttts

This flaky-test issue would love to have more attention.

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[FLAKE-PING] @ncdc @sttts

This flaky-test issue would love to have more attention.

@k8s-github-robot k8s-github-robot mentioned this issue Sep 19, 2016
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[FLAKE-PING] @ncdc @sttts

This flaky-test issue would love to have more attention.

This was referenced Sep 27, 2016
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k8s-github-robot commented Oct 2, 2016 •
edited by rmmh
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Builds:
kubernetes-e2e-gce-etcd3 4092
kubernetes-e2e-gci-gce 666

Failed: [k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite}

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:220
Oct  2 10:57:55.636: Pod did not stop running: timed out waiting for the condition
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:210

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https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/pr-logs/pull/31234/kubernetes-pull-build-test-gci-e2e-gce/2299/

Failed: [k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite}

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:220
Oct 13 17:46:06.431: Pod did not stop running: timed out waiting for the condition
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:210

Happened on a presubmit run in #31234.

This was referenced Oct 16, 2016
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https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/kubernetes-e2e-gke-staging-parallel/10333/

Failed: [k8s.io] Port forwarding [k8s.io] With a server that expects a client request should support a client that connects, sends no data, and disconnects [Conformance] {Kubernetes e2e suite}

/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/portforward.go:217
Oct 21 03:08:16.408: Error retrieving logs: Get https://gke-jenkins-e2e-default-pool-5fd95d0b-o1ti:10250/containerLogs/e2e-tests-port-forwarding-ryje9/pfpod/portforwardtester: ssh: unexpected packet in response to channel open: <nil>

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@calebamiles
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Closing this issue as the corresponding test has been removed from test/test_owners.csv

cc: @ethernetdan, @kubernetes/kubernetes-release-managers

@k8s-github-robot k8s-github-robot mentioned this issue Mar 6, 2017
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