Thomas Decaux created ZEPPELIN-5475:
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Summary: K8S service host not found
Key: ZEPPELIN-5475
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5475
Project: Zeppelin
Issue Type: Bug
Components: Kubernetes
Affects Versions: 0.9.0
Reporter: Thomas Decaux
Assignee: Thomas Decaux
K8S services hostname are "SERVICE.NAMESPACE.svc.cluster.local", according doc
at
[https://kubernetes.io/docs/concepts/services-networking/service/.|https://kubernetes.io/docs/concepts/services-networking/service/]
When using Zep + Spark on kubernetes, this cause:
{code:java}
ERROR [2021-07-31 19:43:59,041] ({RegisterThread}
RemoteInterpreterServer.java[run]:613) - Error while registering interpreter:
RegisterInfo(host:10.233.82.20, port:12321,
interpreterGroupId:spark-2GBUTPS15), cause: {} java.lang.RuntimeException:
java.io.IOException:
org.apache.zeppelin.shaded.org.apache.thrift.transport.TTransportException:
java.net.UnknownHostException: zeppelin-server.dev-steam.svc at
org.apache.zeppelin.interpreter.remote.PooledRemoteClient.callRemoteFunction(PooledRemoteClient.java:100)
at
org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventClient.callRemoteFunction(RemoteInterpreterEventClient.java:81)
at
org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventClient.registerInterpreterProcess(RemoteInterpreterEventClient.java:89)
at
org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$RegisterRunnable.run(RemoteInterpreterServer.java:610)
at java.lang.Thread.run(Thread.java:748) Caused by: java.io.IOException:
org.apache.zeppelin.shaded.org.apache.thrift.transport.TTransportException:
java.net.UnknownHostException: zeppelin-server.dev-steam.svc at
org.apache.zeppelin.interpreter.remote.RemoteInterpreterEventClient.lambda$new$0(RemoteInterpreterEventClient.java:73)
at
org.apache.zeppelin.interpreter.remote.RemoteClientFactory.create(RemoteClientFactory.java:54)
at
org.apache.zeppelin.interpreter.remote.RemoteClientFactory.create(RemoteClientFactory.java:34)
at
org.apache.zeppelin.shaded.org.apache.commons.pool2.BasePooledObjectFactory.makeObject(BasePooledObjectFactory.java:60)
at
org.apache.zeppelin.shaded.org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:861)
at
org.apache.zeppelin.shaded.org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435)
{code}
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