Flink启动报错UnsupportedFileSystemSchemeException: Hadoop is not in the classpath/dependencies.

2019-09-03 22:20:38,162 INFO  org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Shutting StandaloneSessionClusterEntrypoint down with application status FAILED. Diagnostics 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:120)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.createHaServices(ClusterEntrypoint.java:292)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.initializeServices(ClusterEntrypoint.java:257)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:202)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:164)
    at org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:163)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:501)
    at org.apache.flink.runtime.entrypoint.StandaloneSessionClusterEntrypoint.main(StandaloneSessionClusterEntrypoint.java:65)
Caused by: org.apache.flink.core.fs.UnsupportedFileSystemSchemeException: Could not find a file system implementation for scheme 'hdfs'. The scheme is not directly supported by Flink and no Hadoop file system to support this scheme could be loaded.
    at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:447)
    at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:359)
    at org.apache.flink.core.fs.Path.getFileSystem(Path.java:298)
    at org.apache.flink.runtime.blob.BlobUtils.createFileSystemBlobStore(BlobUtils.java:116)
    ... 10 more
Caused by: org.apache.flink.core.fs.UnsupportedFileSystemSchemeException: Hadoop is not in the classpath/dependencies.
    at org.apache.flink.core.fs.UnsupportedSchemeFactory.create(UnsupportedSchemeFactory.java:58)
    at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:443)
    ... 13 more
.
2019-09-03 22:20:38,193 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService              - Stopping Akka RPC service.
2019-09-03 22:20:38,265 INFO  akka.remote.RemoteActorRefProvider$RemotingTerminator         - Shutting down remote daemon.
2019-09-03 22:20:38,265 INFO  akka.remote.RemoteActorRefProvider$RemotingTerminator         - Remote daemon shut down; proceeding with flushing remote transports.
2019-09-03 22:20:38,367 INFO  akka.remote.RemoteActorRefProvider$RemotingTerminator         - Remoting shut down.
2019-09-03 22:20:38,566 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService              - Stopped Akka RPC service.
2019-09-03 22:20:38,580 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:182)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:501)
    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:120)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.createHaServices(ClusterEntrypoint.java:292)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.initializeServices(ClusterEntrypoint.java:257)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:202)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:164)
    at org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
    at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:163)
    ... 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:447)
    at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:359)
    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:58)
    at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:443)
    ... 13 more

报错是因为Flink没有找到hadoop的依赖

1、在官网下载hadoop的依赖： https://flink.apache.org/downloads.html

注：找兼容的版本

2、下载完以后，把jar包上传到Flink的lib目录下   /flink-1.9.0/lib/

3、重新启动Flink