Using one of these configurations the error is reproducible: { "services" : [ { "txt_support" : null , "backend_authentication_type" : "service_token" , "buyer_plan_change_permission" : "request" , "buyer_key_regenerate_enabled" : true , "default_service_plan_id" : 2357355966517, "created_at" : "2018-12-12T15:42:05+01:00" , "name" : "Echo Api" , "backend_authentication_value" : "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" , "notification_settings" : { "web_buyer" : [ 0, 100 ], "email_buyer" : [ 0, 100 ], "email_provider" : [ 0, 100 ], "web_provider" : [ 0, 100 ] }, "buyer_can_select_plan" : false , "logo_content_type" : null , "mandatory_app_key" : true , "system_name" : "echo2" , "state" : "incomplete" , "id" : 42, "default_application_plan_id" : 1, "support_email" : "cpalmier@redhat.com" , "updated_at" : "2020-11-06T14:49:22+01:00" , "logo_file_name" : null , "proxiable?" : true , "intentions_required" : false , "tenant_id" : 1, "buyers_manage_keys" : true , "buyers_manage_apps" : true , "terms" : null , "proxy" : { "error_headers_no_match" : "text\/plain; charset=us-ascii" , "error_no_match" : "No Mapping Rule matched" , "backend" : { "endpoint" : "https:\/\/su1.3scale.net" , "host" : "su1.3scale.net" }, "authentication_method" : "2" , "error_status_limits_exceeded" : 429, "api_test_success" : null , "error_headers_limits_exceeded" : "text\/plain; charset=us-ascii" , "created_at" : "2018-12-12T15:42:05+01:00" , "valid?" : true , "hostname_rewrite_for_sandbox" : "echo-api.3scale.net" , "error_headers_auth_failed" : "text\/plain; charset=us-ascii" , "error_status_auth_missing" : 403, "auth_user_key" : "user_key" , "secret_token" : "Shared_secret_sent_from_proxy_to_API_backend_b77d896c3f99c2a3" , "oidc_issuer_type" : null , "error_status_auth_failed" : 403, "lock_version" : 152, "auth_app_id" : "app_id" , "id" : 109330, "sandbox_endpoint" : "http:\/\/stg.echo.127.0.0.1.xip.io:8080" , "staging_domain" : "stg.echo.127.0.0.1.xip.io" , "oidc_issuer_endpoint" : null , "error_headers_auth_missing" : "text\/plain; charset=us-ascii" , "production_domain" : "prod.echo.127.0.0.1.xip.io" , "service_backend_version" : "2" , "updated_at" : "2020-11-06T14:49:22+01:00" , "error_status_no_match" : 404, "apicast_configuration_driven" : true , "error_limits_exceeded" : "Usage limit exceeded" , "error_auth_failed" : "Authentication failed" , "tenant_id" : 2445582631063, "hostname_rewrite" : "", "oauth_login_url" : null , "deployed_at" : null , "error_auth_missing" : "Authentication parameters missing" , "api_backend" : null , "hosts" : [ "prod.echo.127.0.0.1.xip.io" , "stg.echo.127.0.0.1.xip.io" ], "auth_app_key" : "app_key" , "credentials_location" : "query" , "endpoint_port" : 8080, "policy_chain" : [ { "enabled" : true , "name" : "routing" , "configuration" : { "rules" : [ { "owner_id" : 32796, "url" : "https:\/\/echo-api.3scale.net:443" , "condition" : { "operations" : [ { "op" : "matches" , "value" : "^(\/echo\/.*|\/echo\/?)" , "match" : "path" } ] }, "owner_type" : "BackendApi" , "replace_path" : "{{uri | remove_first: '\/echo' }}" } ] }, "version" : "builtin" }, { "name" : "liquid_context_debug" , "configuration" : { }, "version" : "builtin" }, { "name" : "caching" , "configuration" : { "caching_type" : "none" }, "version" : "builtin" }, { "name" : "apicast" , "configuration" : { }, "version" : "builtin" } ], "endpoint" : "http:\/\/prod.echo.127.0.0.1.xip.io:8080" , "service_id" : 42, "proxy_rules" : [ { "owner_id" : 2, "id" : 2, "delta" : 1, "updated_at" : "2020-11-06T14:44:27+01:00" , "position" : 1, "metric_id" : 2555418133436, "tenant_id" : 2445582631063, "created_at" : "2020-11-06T14:44:27+01:00" , "proxy_id" : 109330, "pattern" : "\/sw\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "Proxy" , "metric_system_name" : "hits" , "querystring_parameters" : { } }, { "owner_id" : 2, "id" : 3, "delta" : 1, "updated_at" : "2020-11-06T14:44:36+01:00" , "position" : 2, "metric_id" : 2555418133436, "tenant_id" : 2445582631063, "created_at" : "2020-11-06T14:44:36+01:00" , "proxy_id" : 109330, "pattern" : "\/echo\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "Proxy" , "metric_system_name" : "hits" , "querystring_parameters" : { } } ], "jwt_claim_with_client_id_type" : null , "jwt_claim_with_client_id" : null }, "description" : "This is the echo API" , "custom_keys_enabled" : true , "logo_file_size" : null , "kubernetes_service_link" : null , "account_id" : 2, "backend_version" : "2" , "referrer_filters_required" : false , "deployment_option" : "self_managed" } ] } { "services" : [ { "txt_support" : null , "backend_authentication_type" : "service_token" , "buyer_plan_change_permission" : "request" , "buyer_key_regenerate_enabled" : true , "default_service_plan_id" : 2, "created_at" : "2018-12-12T15:42:05+01:00" , "name" : "Echo Api" , "backend_authentication_value" : "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" , "notification_settings" : { "web_buyer" : [ 0, 100 ], "email_buyer" : [ 0, 100 ], "email_provider" : [ 0, 100 ], "web_provider" : [ 0, 100 ] }, "buyer_can_select_plan" : false , "logo_content_type" : null , "mandatory_app_key" : true , "system_name" : "echo2" , "state" : "incomplete" , "id" : 42, "default_application_plan_id" : 2357355967294, "support_email" : "cpalmier@redhat.com" , "updated_at" : "2020-11-06T14:55:21+01:00" , "logo_file_name" : null , "proxiable?" : true , "intentions_required" : false , "tenant_id" : 2, "buyers_manage_keys" : true , "buyers_manage_apps" : true , "terms" : null , "proxy" : { "error_headers_no_match" : "text\/plain; charset=us-ascii" , "error_no_match" : "No Mapping Rule matched" , "backend" : { "endpoint" : "https:\/\/su1.3scale.net" , "host" : "su1.3scale.net" }, "authentication_method" : "2" , "error_status_limits_exceeded" : 429, "api_test_success" : null , "error_headers_limits_exceeded" : "text\/plain; charset=us-ascii" , "created_at" : "2018-12-12T15:42:05+01:00" , "valid?" : true , "hostname_rewrite_for_sandbox" : "echo-api.3scale.net" , "error_headers_auth_failed" : "text\/plain; charset=us-ascii" , "error_status_auth_missing" : 403, "auth_user_key" : "user_key" , "secret_token" : "Shared_secret_sent_from_proxy_to_API_backend_b77d896c3f99c2a3" , "oidc_issuer_type" : null , "error_status_auth_failed" : 403, "lock_version" : 152, "auth_app_id" : "app_id" , "id" : 109330, "sandbox_endpoint" : "http:\/\/stg.echo.127.0.0.1.xip.io:8080" , "staging_domain" : "stg.echo.127.0.0.1.xip.io" , "oidc_issuer_endpoint" : null , "error_headers_auth_missing" : "text\/plain; charset=us-ascii" , "production_domain" : "prod.echo.127.0.0.1.xip.io" , "service_backend_version" : "2" , "updated_at" : "2020-11-06T14:55:20+01:00" , "error_status_no_match" : 404, "apicast_configuration_driven" : true , "error_limits_exceeded" : "Usage limit exceeded" , "error_auth_failed" : "Authentication failed" , "tenant_id" : 2, "hostname_rewrite" : "", "oauth_login_url" : null , "deployed_at" : null , "error_auth_missing" : "Authentication parameters missing" , "api_backend" : null , "hosts" : [ "prod.echo.127.0.0.1.xip.io" , "stg.echo.127.0.0.1.xip.io" ], "auth_app_key" : "app_key" , "credentials_location" : "query" , "endpoint_port" : 8080, "policy_chain" : [ { "enabled" : true , "name" : "routing" , "configuration" : { "rules" : [ { "owner_id" : 2, "url" : "https:\/\/swapi.dev:443\/api\/" , "condition" : { "operations" : [ { "op" : "matches" , "value" : "^(\/sw\/.*|\/sw\/?)" , "match" : "path" } ] }, "owner_type" : "BackendApi" , "replace_path" : "{{uri | remove_first: '\/sw' }}" }, { "owner_id" : 2, "url" : "https:\/\/echo-api.3scale.net:443" , "condition" : { "operations" : [ { "op" : "matches" , "value" : "^(\/echo\/.*|\/echo\/?)" , "match" : "path" } ] }, "owner_type" : "BackendApi" , "replace_path" : "{{uri | remove_first: '\/echo' }}" } ] }, "version" : "builtin" }, { "name" : "liquid_context_debug" , "configuration" : { }, "version" : "builtin" }, { "name" : "caching" , "configuration" : { "caching_type" : "none" }, "version" : "builtin" }, { "name" : "apicast" , "configuration" : { }, "version" : "builtin" } ], "endpoint" : "http:\/\/prod.echo.127.0.0.1.xip.io:8080" , "service_id" : 42, "proxy_rules" : [ { "owner_id" : 2, "id" : 2, "delta" : 1, "updated_at" : "2020-11-06T14:44:27+01:00" , "position" : 1, "metric_id" : 2555418133436, "tenant_id" : 2445582631063, "created_at" : "2020-11-06T14:44:27+01:00" , "proxy_id" : 109330, "pattern" : "\/sw\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "Proxy" , "metric_system_name" : "hits" , "querystring_parameters" : { } }, { "owner_id" : 2, "id" : 3, "delta" : 1, "updated_at" : "2020-11-06T14:44:36+01:00" , "position" : 2, "metric_id" : 2555418133436, "tenant_id" : 2445582631063, "created_at" : "2020-11-06T14:44:36+01:00" , "proxy_id" : 109330, "pattern" : "\/echo\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "Proxy" , "metric_system_name" : "hits" , "querystring_parameters" : { } }, { "owner_id" : 2, "id" : 3, "delta" : 1, "updated_at" : "November 06, 2020 14:37" , "position" : 1, "metric_id" : 2555418534397, "tenant_id" : null , "created_at" : "2020-11-06T14:37:24+01:00" , "proxy_id" : null , "pattern" : "\/sw\/planets\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "BackendApi" , "metric_system_name" : "hits.35769" , "querystring_parameters" : { } }, { "owner_id" : 2, "id" : 2, "delta" : 1, "updated_at" : "November 06, 2020 14:37" , "position" : 2, "metric_id" : 2555418534397, "tenant_id" : null , "created_at" : "2020-11-06T14:37:44+01:00" , "proxy_id" : null , "pattern" : "\/sw\/people\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "BackendApi" , "metric_system_name" : "hits.35769" , "querystring_parameters" : { } }, { "owner_id" : 2, "id" : 4, "delta" : 1, "updated_at" : "November 06, 2020 14:38" , "position" : 3, "metric_id" : 2555418534397, "tenant_id" : null , "created_at" : "2020-11-06T14:38:37+01:00" , "proxy_id" : null , "pattern" : "\/sw\/starships\/" , "http_method" : "GET" , "parameters" : { }, "redirect_url" : null , "last" : false , "owner_type" : "BackendApi" , "metric_system_name" : "hits.35769" , "querystring_parameters" : { } } ], "jwt_claim_with_client_id_type" : null , "jwt_claim_with_client_id" : null }, "description" : "This is the echo API" , "custom_keys_enabled" : true , "logo_file_size" : null , "kubernetes_service_link" : null , "account_id" : 2445582631063, "backend_version" : "2" , "referrer_filters_required" : false , "deployment_option" : "self_managed" } ] }