Elasticsearch on abnormal NoSerilizableExceptionWrapper index files stored on HDFS-CodePudding

The curl - XPOST http://192.168.113.103:9200/_snapshot/my_backup? Pretty - d '{
"Type" : "HDFS,"
"Settings" : {
"Uri" : "HDFS://192.168.113.101:9000",
"Path" : "/es_backup rep_1
"}
}
'The situation now is es in the cluster hadoop plugin is installed, the execution of the above command when creating an index to no abnormalities are serialized, would need to configure the other things? Or is under the lib import some jars, strives for the great god taught,
Abnormal below

The Error injecting constructor, java.net.ConnectException: Call From 2/192.168.113.102 to node1:9000 failed on connection exception: java.net.ConnectException: connection refused. For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
The at org. Elasticsearch. Repositories. HDFS. HdfsRepository. & lt; Init> (Unknown Source)
While locating org. Elasticsearch. Repositories. HDFS. HdfsRepository
While locating org. Elasticsearch. Repositories. The Repository

1 error]; Nested: NotSerializableExceptionWrapper [connect_exception: Call the From 2/192.168.113.102 to node1:9000 failed on connection exception: java.net.ConnectException: connection refused, For more details see: http://wiki.apache.org/hadoop/ConnectionRefused]; Nested: NotSerializableExceptionWrapper [connect_exception: Connection refused];
The at org. Elasticsearch. Repositories. RepositoriesService. CreateRepositoryHolder (RepositoriesService. Java: 411)
The at org. Elasticsearch. Repositories. RepositoriesService. RegisterRepository (RepositoriesService. Java: 368)
The at org. Elasticsearch. Repositories. RepositoriesService. Access the $100 (55) RepositoriesService. Java:
The at org. Elasticsearch. Repositories. RepositoriesService $1. The execute (RepositoriesService. Java: 110)
The at org. Elasticsearch. Cluster. ClusterStateUpdateTask. Execute (ClusterStateUpdateTask. Java: 45)
The at org. Elasticsearch. Cluster. Service. InternalClusterService. RunTasksForExecutor (InternalClusterService. Java: 458)
The at org. Elasticsearch. Cluster. Service. InternalClusterService $UpdateTask. Run (InternalClusterService. Java: 762)
At org.elasticsearch.com, mon. Util. Concurrent. PrioritizedEsThreadPoolExecutor $TieBreakingPrioritizedRunnable. RunAndClean (PrioritizedEsThreadPoolExecutor. Java: 231)
At org.elasticsearch.com, mon. Util. Concurrent. PrioritizedEsThreadPoolExecutor $TieBreakingPrioritizedRunnable. Run (PrioritizedEsThreadPoolExecutor. Java: 194)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (ThreadPoolExecutor. Java: 1145)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (ThreadPoolExecutor. Java: 615)
The at Java. Lang. Thread. The run (Thread. Java: 745)
Under Caused by: NotSerializableExceptionWrapper [creation_exception: Guice creation errors: