Yeah, I was wondering about that. I'm using
`/usr/lib/flink/bin/start-scala-shell.sh yarn`-- previously I'd use
`/usr/lib/flink/bin/start-scala-shell.sh yarn -n ${NUM}`
but that deprecated option was removed.
On Tue, Mar 17, 2020 at 4:11 PM Jeff Zhang <zjf...@gmail.com> wrote:
>
> It looks like you are running under standalone mode, what is your command to
> start scala shell. ?
>
> Craig Foster <foster.cr...@gmail.com> 于2020年3月18日周三 上午5:23写道：
>>
>> Hi:
>> When I upgraded from Flink 1.9.1 to Flink 1.10.0 I can't execute
>> programs at the Scala shell.
>>
>> It gives me an error that the REST address must be set. This looks
>> like it comes from HA but I don't have HA configured for Flink and it
>> was very hard to find this documented other than in the PR/JIRA in the
>> history so don't have much context. Can someone point me to how to
>> configure this properly? For reference, I put the example stacktrace
>> below.
>>
>> scala> val text = benv.fromElements("To be, or not to be,--that is the
>> question:--");
>> text: org.apache.flink.api.scala.DataSet[String] =
>> org.apache.flink.api.scala.DataSet@2396408a
>>
>> scala> val counts = text.flatMap { _.toLowerCase.split("\\W+")}.map {
>> (_, 1) }.groupBy(0).sum(1);
>> counts: org.apache.flink.api.scala.AggregateDataSet[(String, Int)] =
>> org.apache.flink.api.scala.AggregateDataSet@38bce2ed
>>
>> scala> counts.print()
>> 20/03/17 21:15:34 INFO java.ExecutionEnvironment: The job has 0
>> registered types and 0 default Kryo serializers
>> 20/03/17 21:15:34 INFO configuration.GlobalConfiguration: Loading
>> configuration property: env.yarn.conf.dir, /etc/hadoop/conf
>> 20/03/17 21:15:34 INFO configuration.GlobalConfiguration: Loading
>> configuration property: env.hadoop.conf.dir, /etc/hadoop/conf
>> java.lang.RuntimeException: Couldn't retrieve standalone cluster
>> at
>> org.apache.flink.client.deployment.StandaloneClusterDescriptor.lambda$retrieve$0(StandaloneClusterDescriptor.java:53)
>> at
>> org.apache.flink.client.deployment.executors.AbstractSessionClusterExecutor.execute(AbstractSessionClusterExecutor.java:64)
>> at
>> org.apache.flink.api.java.ExecutionEnvironment.executeAsync(ExecutionEnvironment.java:944)
>> at
>> org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:860)
>> at
>> org.apache.flink.api.java.ScalaShellEnvironment.execute(ScalaShellEnvironment.java:81)
>> at
>> org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:844)
>> at org.apache.flink.api.java.DataSet.collect(DataSet.java:413)
>> at org.apache.flink.api.java.DataSet.print(DataSet.java:1652)
>> at org.apache.flink.api.scala.DataSet.print(DataSet.scala:1864)
>> ... 30 elided
>> Caused by: java.lang.NullPointerException: rest.address must be set
>> at org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:104)
>> at
>> org.apache.flink.runtime.highavailability.HighAvailabilityServicesUtils.getWebMonitorAddress(HighAvailabilityServicesUtils.java:196)
>> at
>> org.apache.flink.runtime.highavailability.HighAvailabilityServicesUtils.createClientHAService(HighAvailabilityServicesUtils.java:146)
>> at
>> org.apache.flink.client.program.rest.RestClusterClient.<init>(RestClusterClient.java:161)
>> at
>> org.apache.flink.client.deployment.StandaloneClusterDescriptor.lambda$retrieve$0(StandaloneClusterDescriptor.java:51)
>> ... 38 more
>
>
>
> --
> Best Regards
>
> Jeff Zhang
