postman访问后出现org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available: [{#transport#-1}{NTtyazdFSt-TNLdVH0zAAQ}{127.0.0.1}{127.0.0.1:9300}]

postman访问 localhost:8080/get/people/_doc?id=2后出现org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available: [{#transport#-1}{NTtyazdFSt-TNLdVH0zAAQ}{127.0.0.1}{127.0.0.1:9300}]