ScrapCodes commented on pull request #30388:
URL: https://github.com/apache/spark/pull/30388#issuecomment-728179923


   I was wondering, what I am doing wrong in my setup of minkube. I have tried 
3 different versions of minikube. 1.13.1, 1.14.2, 1.15.0. All of them, failed 
the tests with following error.
   
   ```
   KubernetesSuite:
   org.apache.spark.deploy.k8s.integrationtest.KubernetesSuite *** ABORTED ***
     io.fabric8.kubernetes.client.KubernetesClientException: An error has 
occurred.
     at 
io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:64)
     at 
io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:53)
     at 
io.fabric8.kubernetes.client.utils.HttpClientUtils.createHttpClient(HttpClientUtils.java:234)
     at 
io.fabric8.kubernetes.client.utils.HttpClientUtils.createHttpClient(HttpClientUtils.java:63)
     at io.fabric8.kubernetes.client.BaseClient.<init>(BaseClient.java:51)
     at 
io.fabric8.kubernetes.client.DefaultKubernetesClient.<init>(DefaultKubernetesClient.java:145)
     at 
org.apache.spark.deploy.k8s.integrationtest.backend.minikube.Minikube$.getKubernetesClient(Minikube.scala:81)
     at 
org.apache.spark.deploy.k8s.integrationtest.backend.minikube.MinikubeTestBackend$.initialize(MinikubeTestBackend.scala:33)
     at 
org.apache.spark.deploy.k8s.integrationtest.KubernetesSuite.beforeAll(KubernetesSuite.scala:130)
     at 
org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:212)
     ...
     Cause: java.nio.file.NoSuchFileException: 
/home/prashant/.minikube/apiserver.crt
     at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
     at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
     at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
     at 
sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
     at java.nio.file.Files.newByteChannel(Files.java:361)
     at java.nio.file.Files.newByteChannel(Files.java:407)
     at java.nio.file.Files.readAllBytes(Files.java:3152)
     at 
io.fabric8.kubernetes.client.internal.CertUtils.getInputStreamFromDataOrFile(CertUtils.java:74)
     at 
io.fabric8.kubernetes.client.internal.CertUtils.createKeyStore(CertUtils.java:244)
     at 
io.fabric8.kubernetes.client.internal.SSLUtils.keyManagers(SSLUtils.java:128)
     ...
   
   ```


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