一、先来看看详细报错信息：

ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Could not start cluster entrypoint StandaloneSessionClusterEntrypoint.
org.apache.flink.runtime.entrypoint.ClusterEntrypointException: Failed to initialize the cluster entrypoint StandaloneSessionClusterEntrypoint.
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:181)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:517)
	at org.apache.flink.runtime.entrypoint.StandaloneSessionClusterEntrypoint.main(StandaloneSessionClusterEntrypoint.java:65)
Caused by: java.io.IOException: Could not create FileSystem for highly available storage (high-availability.storageDir)
	at org.apache.flink.runtime.blob.BlobUtils.createFileSystemBlobStore(BlobUtils.java:119)
	at org.apache.flink.runtime.blob.BlobUtils.createBlobStoreFromConfig(BlobUtils.java:92)
	at org.apache.flink.runtime.highavailability.HighAvailabilityServicesUtils.createHighAvailabilityServices(HighAvailabilityServicesUtils.java:121)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.createHaServices(ClusterEntrypoint.java:304)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.initializeServices(ClusterEntrypoint.java:261)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:207)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:163)
	at org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:162)
	... 2 more
Caused by: org.apache.flink.core.fs.UnsupportedFileSystemSchemeException: Could not find a file system implementation for scheme 'hdfs'. The scheme is not directly supported by Flink and no Hadoop file system to support this scheme could be loaded.
	at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:403)
	at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:318)
	at org.apache.flink.core.fs.Path.getFileSystem(Path.java:298)
	at org.apache.flink.runtime.blob.BlobUtils.createFileSystemBlobStore(BlobUtils.java:116)
	... 10 more
Caused by: org.apache.flink.core.fs.UnsupportedFileSystemSchemeException: Hadoop is not in the classpath/dependencies.
	at org.apache.flink.core.fs.UnsupportedSchemeFactory.create(UnsupportedSchemeFactory.java:64)
	at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:399)
	... 13 more

二、报错原因

因为我下载的 flink 是不带 hadoop 的，在 CLASS_PATH 下缺少了 HDFS 相关的 jar 实现

三、解决

手动添加相关的 hadoop 的依赖包到 flink 安装目录的 lib目录下

flink-shaded-hadoop2-x.y.z.jar

具体x,y ,z 版本号看自己的 flink 集群版本和 hadoop 版本对应关系

下载地址：https://download.csdn.net/download/weixin_46122692/13066413

正常启动后该有的样子！！！