3:08 a.m.
Hello,
Thanks for the help, that flag was actually missing and it had to be done manually…
I don’t know how is it expected to work without it… Docker generally supports no IPv6
AFAIK…
From: Sebastian Laskawiec [mailto:slaskawi@redhat.com]
Sent: Dienstag, 15. Januar 2019 09:52
To: Lukasz Lech <l.lech(a)ringler.ch>
Cc: keycloak-user(a)lists.jboss.org
Subject: Re: [keycloak-user] Kubernetes: found IPv4 multicast address in an IPv6 stack
Hey Lukasz,
The clustering probably won't work in your setup. In other words, if you'd like to
add another Keycloak node to ensure HA or balance the load, that won't work.
I guess, you're using IPv4 network in your datacenter, aren't you? If so, please
add -Djava.net.preferIPv4Stack=true switch to Keycloak to ensure, JGroups use IPv4.
Thanks,
Sebastian
On Tue, Jan 15, 2019 at 9:22 AM Lukasz Lech
<l.lech@ringler.ch<mailto:l.lech@ringler.ch>> wrote:
Hello,
I was succesfully running Keycloak as docker image (4.8.1), however, when I try to run in
Kubernetes, I'm getting the following error:
07:53:34,742 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 52)
MSC000001: Failed to start service
org.wildfly.clustering.jgroups.channel.ee<http://org.wildfly.clustering.jgroups.channel.ee>:
org.jboss.msc.service.StartException in service
org.wildfly.clustering.jgroups.channel.ee<http://org.wildfly.clustering.jgroups.channel.ee>:
java.lang.IllegalStateException: java.lang.Exception: found IPv4 multicast address
/230.0.0.4<http://230.0.0.4> in an IPv6 stack
at org.wildfly.clustering.service.FunctionalService.start(FunctionalService.java:70)
at
org.wildfly.clustering.service.AsyncServiceConfigurator$AsyncService.lambda$start$0(AsyncServiceConfigurator.java:117)
at
org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
at
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
at
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
at java.lang.Thread.run(Thread.java:748)
at org.jboss.threads.JBossThread.run(JBossThread.java:485)
Caused by: java.lang.IllegalStateException: java.lang.Exception: found IPv4 multicast
address /230.0.0.4<http://230.0.0.4> in an IPv6 stack
at
org.jboss.as.clustering.jgroups.subsystem.ChannelServiceConfigurator.get(ChannelServiceConfigurator.java:116)
at
org.jboss.as.clustering.jgroups.subsystem.ChannelServiceConfigurator.get(ChannelServiceConfigurator.java:58)
at org.wildfly.clustering.service.FunctionalService.start(FunctionalService.java:67)
... 7 more
Caused by: java.lang.Exception: found IPv4 multicast address
/230.0.0.4<http://230.0.0.4> in an IPv6 stack
at org.jgroups.stack.Configurator.setDefaultValues(Configurator.java:137)
at org.jgroups.stack.ProtocolStack.init(ProtocolStack.java:829)
at org.jgroups.JChannel.<init>(JChannel.java:200)
at
org.jboss.as.clustering.jgroups.JChannelFactory.createChannel(JChannelFactory.java:116)
at
org.jboss.as.clustering.jgroups.subsystem.ChannelServiceConfigurator.get(ChannelServiceConfigurator.java:96)
... 9 more
Server seems to listen, going to / returns redirect to /auth, but going to /auth results
in 404, no further error lands in logs...
Anyone has any idea what it can be?
Best regards,
Lukasz Lech
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