getting:
https://c7401.ambari.apache.org:8443/gateway/default/ambari/api/v1/clusters/cc/hosts?fields=Hosts/rack_info,Hosts/host_name,Hosts/maintenance_state,Hosts/public_host_name,Hosts/cpu_count,Hosts/ph_cpu_count,alerts_summary,Hosts/host_status,Hosts/host_state,Hosts/last_heartbeat_time,Hosts/ip,host_components/HostRoles/state,host_components/HostRoles/maintenance_state,host_components/HostRoles/stale_configs,host_components/HostRoles/service_name,host_components/HostRoles/display_name,host_components/HostRoles/desired_admin_state,host_components/metrics/dfs/namenode/ClusterId,host_components/metrics/dfs/FSNamesystem/HAState,metrics/disk,metrics/load/load_one,Hosts/total_mem,Hosts/os_arch,Hosts/os_type,metrics/cpu/cpu_system,metrics/cpu/cpu_user,metrics/memory/mem_total,metrics/memory/mem_free,stack_versions/HostStackVersions,stack_versions/repository_versions/RepositoryVersions/repository_version,stack_versions/repository_versions/RepositoryVersions/id,stack_versions/repository_versions/RepositoryVersions/display_name&minimal_response=true,host_components/logging&page_size=25&from=0&_=1546003790663
gives:
{"status":400,"message":"Invalid Request: Malformed Request Body. An exception occurred parsing the request body: Unrecognized token 'from': was expecting \n at [Source: java.io.StringReader@9ba0d3a; line: 1, column: 6]"}