That is very strange. Anything special about the container (what OS, libraries, glibc version, musl)? What version of Docker was running?
On Wed, Aug 10, 2016 at 3:45 AM, Ulf Lilleengen <[email protected]> wrote: > Hi, > > We were debugging an issue yesterday where 'localhost' could not be > resolved inside a container in openshift origin v1.3.0-alpha.3. I'm not > sure if this is openshift or kubernetes-related, but thought I'd ask here > first. > > We have two containers running on a pod, and one container is connecting > to the other using 'localhost'. This has worked fine for several months, > but stopped working yesterday. We resolved the issue by using 127.0.0.1. We > were also able to use the pod hostname as well. > > I'm thinking this might be related to IPv6, given that /etc/hosts seemed > to contain IPv6 records for localhost, and the other container may be > listening on IPv4 only. I tried disabling it with sysctl > net.ipv6.conf.all.disable_ipv6=1 to verify, but I still saw the same > issue. > > sh-4.3$ cat /etc/hosts > # Kubernetes-managed hosts file. > 127.0.0.1 localhost > ::1 localhost ip6-localhost ip6-loopback > fe00::0 ip6-localnet > fe00::0 ip6-mcastprefix > fe00::1 ip6-allnodes > fe00::2 ip6-allrouters > 172.17.0.6 controller-queue1-tnvav > > -- > Ulf Lilleengen > > _______________________________________________ > users mailing list > [email protected] > http://lists.openshift.redhat.com/openshiftmm/listinfo/users >
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