Do you see the error in yarn am log ? I suspect it is due to network issue. Because zeppelin needs bidirectional communication between zeppelin-server and interpreter process. Does your EMR cluster able to access your zeppelin server host ?
Yan Yang <yan.y...@deserve.com> 于2019年8月2日周五 上午12:58写道： > We have been trying to submit Spark jobs to an AWS EMR cluster from our > own Zeppelin instance. > > The YARN job was received and started properly, but ran into below error. > The host indicated in the error is a weird 12-char alphanumeric string that > does not look like hostname or IP. > > *Caused by: java.net.UnknownHostException: 77c5b7197972* > > We have been able to use spark-submit from the same location where > Zeppelin is installed to submit the same job to the same EMR cluster > successfully. > > We have tried to toggle both client/cluster deploy mode in Zeppelin as > well as the configuration *zeppelin.spark.useNew*. However we are still > hitting the above error. > > Anyone has encountered this before? Specifically is that weird host > generated from Zeppelin's Spark submission logic? > > Thanks > Yan > > -- Best Regards Jeff Zhang
