spark-ui页面使用介绍

Spark Operator on Kubernetes(k8s)视频教程介绍：

1. 基于两套kubernetes环境分别演示不同版本spark operator部署

2. 手把手操作踩坑消缺

3. 原始部署方式，更直观了解spark operator

4. 学习后可以选择任意spark operator版本自由部署，适用于离线部署

常见错误或踩坑解决分析：

【错误1】

rawResources failed to read Resources: Load from path ../crds failed: '../crds' must be a file" 

【错误2】

error validating "spark-operator.yaml": error validating data: ValidationError(Deployment.spec.template.metadata): unknown field "initializers" in io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta; if you choose to ignore these errors, turn validation off with --validate=false

【错误3】

ProtocolException: Expected HTTP 101 response but was '403 Forbidden'

io.fabric8.kubernetes.client.KubernetesClientException:

Exception in thread "main" io.fabric8.kubernetes.client.KubernetesClientException:

【错误4】

failed to create or update CustomResourceDefinition sparkapplications.sparkoperator.k8s.io:

unable to recognize "spark-operator-crds.yaml": no matches for kind "CustomResourceDefinition" in version "apiextensions.k8s.io/v1beta1"