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https://issues.apache.org/jira/browse/FLINK-32777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17751880#comment-17751880
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Zhenqiu Huang commented on FLINK-32777:
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>From the discussion in OKHttp community. The issue is due to IPv6 hostnames
>Verification logic. It is resolved by this PR
https://github.com/square/okhttp/pull/5889
> Upgrade Okhttp version to support IPV6
> --------------------------------------
>
> Key: FLINK-32777
> URL: https://issues.apache.org/jira/browse/FLINK-32777
> Project: Flink
> Issue Type: Improvement
> Components: Kubernetes Operator
> Reporter: Zhenqiu Huang
> Priority: Major
>
> It is reported by user:
> I was testing flink-kubernetes-operator in an IPv6 cluster and found out the
> below issues:
> Caused by: javax.net.ssl.SSLPeerUnverifiedException: Hostname
> fd70:e66a:970d::1 not verified:
> certificate: sha256/EmX0EhNn75iJO353Pi+1rClwZyVLe55HN3l5goaneKQ=
> DN: CN=kube-apiserver
> subjectAltNames: [fd70:e66a:970d:0:0:0:0:1,
> 2406:da14:2:770b:3b82:51d7:9e89:76ce, 10.0.170.248,
> c0c813eaff4f9d66084de428125f0b9c.yl4.ap-northeast-1.eks.amazonaws.com,
> ip-10-0-170-248.ap-northeast-1.compute.internal, kubernetes,
> kubernetes.default, kubernetes.default.svc,
> kubernetes.default.svc.cluster.local]
> Which seemed to be related to a known issue of okhttp.
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