Zeppelin 0.7.3 doesn't support spark 2.4, please try zeppelin 0.8.1 Amogh Shetkar <ashet...@snappydata.io> 于2019年2月12日周二 下午7:18写道:
> I have a Docker image with Zeppelin 0.7.3 + Spark interpreter installed. I > also have Spark 2.4 distribution in that image. > > When I launch this image on k8s and run the sample Spark notebook (Basic > Features (Spark)), it failed with a NullPointerException. > > java.lang.NullPointerException > at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38) > at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:33) > at > org.apache.zeppelin.spark.SparkInterpreter.createSparkContext_2(SparkInterpreter.java:398) > at > org.apache.zeppelin.spark.SparkInterpreter.createSparkContext(SparkInterpreter.java:387) > at > org.apache.zeppelin.spark.SparkInterpreter.getSparkContext(SparkInterpreter.java:146) > at > org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:843) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:491) > at org.apache.zeppelin.scheduler.Job.run(Job.java:175) > at > org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > > The Zeppelin container was launched with below SPARK_SUBMIT_OPTIONS: > --conf spark.kubernetes.container.image=<spark2.4-docker-image> --conf > spark.executor.instances=2 --deploy-mode client --conf > spark.kubernetes.namespace=spark --conf > spark.driver.host=<zeppelin-container-IP> --conf > spark.kubernetes.driver.pod.name=<zeppelin-container-hostname> --conf > spark.kubernetes.authenticate.driver.serviceAccountName=default --conf > spark.ui.port=4040 > > The logs indicate that the task scheduler could not be instantiated: > > ERROR [2019-01-17 13:58:11,881] ({pool-2-thread-2} > Utils.java[invokeMethod]:40) - > java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38) > at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:33) > at > org.apache.zeppelin.spark.SparkInterpreter.createSparkSession(SparkInterpreter.java:368) > at > org.apache.zeppelin.spark.SparkInterpreter.getSparkSession(SparkInterpreter.java:233) > at > org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:841) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:491) > at org.apache.zeppelin.scheduler.Job.run(Job.java:175) > at > org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > Caused by: org.apache.spark.SparkException: External scheduler cannot be > instantiated > at > org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:2794) > at org.apache.spark.SparkContext.<init>(SparkContext.scala:493) > at > org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2520) > at > org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:935) > at > org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:926) > at scala.Option.getOrElse(Option.scala:121) > at > org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:926) > ... 20 more > Caused by: io.fabric8.kubernetes.client.KubernetesClientException: > Operation: [get] for kind: [Pod] with name: > [zep-zeppelin-with-spark-6956f448d9-mmtsk] in namespace: [spark] failed. > at > io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:62) > at > io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:71) > at > io.fabric8.kubernetes.client.dsl.base.BaseOperation.getMandatory(BaseOperation.java:228) > at > io.fabric8.kubernetes.client.dsl.base.BaseOperation.get(BaseOperation.java:184) > at > org.apache.spark.scheduler.cluster.k8s.ExecutorPodsAllocator$$anonfun$1.apply(ExecutorPodsAllocator.scala:57) > at > org.apache.spark.scheduler.cluster.k8s.ExecutorPodsAllocator$$anonfun$1.apply(ExecutorPodsAllocator.scala:55) > at scala.Option.map(Option.scala:146) > at > org.apache.spark.scheduler.cluster.k8s.ExecutorPodsAllocator.<init>(ExecutorPodsAllocator.scala:55) > at > org.apache.spark.scheduler.cluster.k8s.KubernetesClusterManager.createSchedulerBackend(KubernetesClusterManager.scala:89) > at > org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:2788) > ... 26 more > Caused by: java.net.ProtocolException: Unexpected status line: ^U^C^A^@^B^B > at okhttp3.internal.http.StatusLine.parse(StatusLine.java:69) > at > okhttp3.internal.http1.Http1Codec.readResponseHeaders(Http1Codec.java:189) > at > okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.java:75) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:45) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) > at > okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) > at > okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:120) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) > at > io.fabric8.kubernetes.client.utils.HttpClientUtils$2.intercept(HttpClientUtils.java:93) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:92) > at > okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:67) > at > okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:185) > at okhttp3.RealCall.execute(RealCall.java:69) > at > io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:377) > at > io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:343) > at > io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleGet(OperationSupport.java:312) > at > io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleGet(OperationSupport.java:295) > at > io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleGet(BaseOperation.java:783) > at > io.fabric8.kubernetes.client.dsl.base.BaseOperation.getMandatory(BaseOperation.java:217) > > If I try to explicitly submit a simple job from within the zeppelin > container, in client mode, it works fine. This works fine: > > <spark2.4-dir>/bin/spark-submit --master $MASTER --deploy-mode > client --name spark-pi --class org.apache.spark.examples.SparkPi > --conf spark.executor.instances=2 \ > --conf spark.kubernetes.container.image=<spark2.4-docker-image> > --conf spark.kubernetes.namespace=spark --conf > spark.driver.host=<zeppelin-container-IP> \ > --conf spark.kubernetes.driver.pod.name=<zeppelin-container-hostname> > --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark \ > local:///opt/spark/examples/jars/spark-examples_2.11-2.4.0.jar; > > Anyone tried this or knows why it may not be working for me? > > Thanks, > Amogh Shetkar > SnappyData Technologies (http://snappydata.io) > -- Best Regards Jeff Zhang