Skip to content

issue to run SparkPi example on minikube #24

Description

@Arnold1

Yeah.

I tried to run it as documented (cloned the spark repo - https://github.com/apache-spark-on-k8s/userdocs/blob/master/src/jekyll/running-on-kubernetes.md. into the following dir) but got an error...

minikube is started:

$ minikube status
minikube: Running
cluster: Running
kubectl: Correctly Configured: pointing to minikube-vm at 192.168.99.100
$ pwd
/Users/arnold/run_spark_on_k8s
$ ls
run.sh		spark

$ kubectl cluster-info
Kubernetes master is running at https://192.168.99.100:8443

To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.

my run.sh file:

k8s_apiserver_host="192.168.99.100"
k8s_apiserver_port="8443"
cwd=`pwd`

echo $k8s_apiserver_host
echo $k8s_apiserver_port
echo $cwd

spark/bin/spark-submit \
  --deploy-mode cluster \
  --class org.apache.spark.examples.SparkPi \
  --master k8s://https://$k8s_apiserver_host:$k8s_apiserver_port \
  --kubernetes-namespace default \
  --conf spark.executor.instances=5 \
  --conf spark.app.name=spark-pi \
  --conf spark.kubernetes.driver.docker.image=kubespark/spark-driver:v2.2.0-kubernetes-0.5.0 \
  --conf spark.kubernetes.executor.docker.image=kubespark/spark-executor:v2.2.0-kubernetes-0.5.0 \
  local:///$cwd/spark/examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar

running the run.sh file:

$ ./run.sh 
192.168.99.100
8443
/Users/arnold/run_spark_on_k8s
java.lang.ClassNotFoundException: org.apache.spark.deploy.k8s.submit.Client
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.apache.spark.util.Utils$.classForName(Utils.scala:230)
	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:743)
	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120)
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

jar file is available here:

$ ls -la /Users/arnold/run_spark_on_k8s/spark/examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar
-rw-r--r--  1 arnold  1113146471  1991195 Dec 22 14:21 /Users/arnold/run_spark_on_k8s/spark/examples/target/scala-2.11/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar

any idea about the java.lang.ClassNotFoundException?

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions