The /gateway actuator endpoint lets you monitor and interact with a Spring Cloud Gateway application. The Netty routing filter runs if the URL located in the ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR exchange attribute has a http or https scheme. The following examples show how to set up global pre- and post-filters, respectively: Spring Cloud Gateway provides a utility object called ProxyExchange. The following example shows how to achieve the same configuration with Java: The Weight route predicate factory takes two arguments: group and weight (an int). This filter also automatically calculates the. Temporary bursts can be allowed by setting burstCapacity higher than replenishRate. Standard policies to change default 3scale APIcast behavior 3scale provides built-in, standard policies that are units of functionality that modify how APIcast processes requests and responses. The ForwardRoutingFilter looks for a URI in the exchange attribute ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR. The Header route predicate factory takes two parameters, the header and a regexp (which is a Java regular expression). In order to share Routes across a cluster of Spring Cloud Gateway instances, RedisRouteDefinitionRepository can be used. The XForwarded Remote Addr route predicate factory takes a list (min size 1) of sources, which are CIDR-notation (IPv4 or IPv6) strings, such as 192.168.0.1/16 (where 192.168.0.1 is an IP address and 16 is a subnet mask). You can configure these timeouts can be configured (defaults shown) as follows: Configuration for Spring Cloud Gateway is driven by a collection of RouteDefinitionLocator instances. The XForwarded Remote Addr Route Predicate Factory, 6.5.1. The ServerHttpResponse instance is used to . Create a ClientResponse object that will hold both the body and the headers: Then extract the body and encrypt it using the EncryptDecryptHelper class. APIcast standard policies The following example configures a RewriteResponseHeader GatewayFilter: For a header value of /42?user=ford&password=omg!what&flag=true, it is set to /42?user=ford&password=***&flag=true after making the downstream request. To create a route, make a POST request to /gateway/routes/{id_route_to_create} with a JSON body that specifies the fields of the route (see Retrieving Information about a Particular Route). The pattern is an Ant-style pattern with . must be in a class named SomethingGatewayFilterFactory. GitHub spring-cloud / spring-cloud-gateway Public Notifications Fork 2.9k Star 3.9k Code Issues 337 Pull requests 39 Actions Projects Security Insights New issue How to modify spring cloud gateway response headers #1092 Closed This section details how to retrieve route filters, including: To retrieve the global filters applied to all routes, make a GET request to /actuator/gateway/globalfilters. This is similar to how AddRequestHeader works, but unlike AddRequestHeader it will do it only if the header is not already there. So a request to /hello is sent to /mypath/hello. The default is http|https|ftp|ftps. The following listing shows how it works: This style also allows for more custom predicate assertions. The filter takes a maxSize parameter. forwards the incoming token to outgoing resource requests. It is a Spring Boot application with Spring Cloud stuff that can make it sit between clients and their requests and multiple services, where it offers features such as predicates for shaping. .route("test1", r -> { Add a Header for the original response, configuration example: spring: cloud: gateway: routes: - id: add_response_header_route uri: https://example.org filters: - AddResponseHeader=X-Response-Foo, Bar. As Spring Cloud Gateway distinguishes between pre and post phases for filter logic execution (see How it Works), the filter with the highest precedence is the first in the pre-phase and the last in the post-phase. The resulting response is similar to the following: The response contains the details of the GatewayFilter factories applied to any particular route. Spring Cloud Gateway comes with one non-default remote address resolver that is based off of the X-Forwarded-For header, XForwardedRemoteAddressResolver. These are special filters that are conditionally applied to all routes. If youre using load-balanced routes, you need to explicitly define your. This is the number of tokens the token bucket can hold. To configure per-route timeouts: In future milestone releases, there will be some KeyResolver implementations. You can read more about them in the. Embed. It is the name of the query parameter to be removed. The resulting response is similar to the following: The following table describes the structure of the response: The collection of route predicates. The following listing configures a websocket routing filter: After the gateway has routed a ServerWebExchange, it marks that exchange as routed by adding gatewayAlreadyRouted This is the number of tokens taken from the bucket for each request and defaults to 1. To add a filter and apply it to all routes, you can use spring.cloud.gateway.default-filters. The following example configures a PrefixPath GatewayFilter: This prefixes /mypath to the path of all matching requests. If it is not, a status of HTTP 429 - Too Many Requests (by default) is returned. When setting the let's see. The response is put in the ServerWebExchangeUtils.CLIENT_RESPONSE_ATTR exchange attribute for use in a later filter. You can configure the logging system to have a separate access log file. This predicate matches with a header that has the given name whose value matches the regular expression. The mapper is a Function that takes the incoming ResponseEntity and converts it to an outgoing one. AddRequestParameter is aware of the URI variables used to match a path or host. Spring cloud gateway response body modification. The following two examples are equivalent: For some usages of the gateway, properties are adequate, but some production use cases benefit from loading configuration from an external source, such as a database. Spring Cloud Gateway requires the Netty runtime provided by Spring Boot and Spring Webflux. It is added to the ServerWebExchange as the ServerWebExchangeUtils.CIRCUITBREAKER_EXECUTION_EXCEPTION_ATTR attribute that can be used when handling the fallback within the gateway application. In this case, the rate limiter needs to be allowed some time between bursts (according to replenishRate), as two consecutive bursts results in dropped requests (HTTP 429 - Too Many Requests). It should be available as a GitHub (or similar) project or attached to this issue as a zip file. Spring Cloud Gateway can forward OAuth2 access tokens downstream to the services The first one is the The None of the prior documentation applies to what follows. URIs defined in routes without a port get default port values of 80 and 443 for the HTTP and HTTPS URIs, respectively. import static org.springframework.cloud.gateway.support.RouteMetadataUtils.CONNECT_TIMEOUT_ATTR; The following examples show how to do so: Custom filters class names should end in GatewayFilterFactory. To see the list of all Spring Cloud Gateway related configuration properties, see the appendix. The Host route predicate factory takes one parameter: a list of host name patterns. This property takes a list of filters. Any otherway is there apart from blocking call? After the proxy request is made, the post filter logic is run. The following example below is invalid: The Redis implementation is based on work done at Stripe. Note that this example also demonstrates the (optional) Spring Cloud LoadBalancer load-balancing (defined by the lb prefix on the destination URI). 4.1. There is an abstract class called AbstractRoutePredicateFactory which you can extend. If Spring Cloud Gateway is, for example only accessible through HAProxy, then a value of 1 should be used. The lowercase full name of the secure header needs to be used to disable it.. The RewriteResponseHeader GatewayFilter factory takes name, regexp, and replacement parameters. Value 3.9. The following listing configures a filter chain: To enable gateway metrics, add spring-boot-starter-actuator as a project dependency. Spring Cloud CircuitBreaker supports multiple libraries that can be used with Spring Cloud Gateway. A per-route response-timeout with a negative value will disable the global response-timeout value. GitHub Gist: instantly share code, notes, and snippets. The following listing configures a RequestHeaderSize GatewayFilter: This will send a status 431 if size of any request header is greater than 1000 Bytes. .metadata(RESPONSE_TIMEOUT_ATTR, 200) Writing Custom GatewayFilter Factories, 17.2.1. exceptions: A list of thrown exceptions that should be retried. The default filter is a rewrite path filter with the regex /serviceId/?(?. The following example configures an AddResponseHeader GatewayFilter: This adds X-Response-Red:Blue header to the downstream responses headers for all matching requests. This uses Java regular expressions for a flexible way to rewrite the request path. The errorHeaderName parameter sets the name of the response header containing an error message, by default it is "errorMessage". By clicking Sign up for GitHub, you agree to our terms of service and It is the name of the header to be removed. This could be useful for maintenance windows. The preceding route matches if the request contained a red query parameter whose value matched the gree. The circuit breaker config object takes a list of The algorithm used is the Token Bucket Algorithm. This filter adds a timer metric named spring.cloud.gateway.requests with the following tags: routeUri: The URI to which the API is routed. The following listing configures a RewriteLocationResponseHeader GatewayFilter: For example, for a request of POST api.example.com/some/object/name, the Location response header value of object-service.prod.example.net/v2/some/object/id is rewritten as api.example.com/some/object/id. Configure for High Availability. series: The series of status codes to be retried, represented by using org.springframework.http.HttpStatus.Series. The following example configures a SetPath GatewayFilter: For a request path of /red/blue, this sets the path to /blue before making the downstream request. A gauge metric named spring.cloud.gateway.routes.count will be added, whose value is the number of RouteDefinitions. The unmodified original URL is appended to the list in the ServerWebExchangeUtils.GATEWAY_ORIGINAL_REQUEST_URL_ATTR attribute. To enable the Spring Cloud CircuitBreaker filter, you need to place spring-cloud-starter-circuitbreaker-reactor-resilience4j on the classpath. responseCode; responseHeaderTransformations; responseMessage; type; . essentially skipping the filter. This predicate matches requests that happen after the specified datetime. In addition, you can configure this filter once by using spring.cloud.gateway.default-filters and have it applied to all routes. If it is not provided, the value of the Host request header is used. You can overwrite the names of the headers in the configuration by setting the values of the following arguments (shown with their default values): executionExceptionTypeHeaderName ("Execution-Exception-Type"), executionExceptionMessageHeaderName ("Execution-Exception-Message"), rootCauseExceptionTypeHeaderName ("Root-Cause-Exception-Type"), rootCauseExceptionMessageHeaderName ("Root-Cause-Exception-Message"). To write a GatewayFilter, you must implement GatewayFilterFactory as a bean. The following table below summarizes the Spring Cloud Gateway actuator endpoints (note that each endpoint has /actuator/gateway as the base-path): Displays the list of global filters applied to the routes. It also allows you to pass multi-value headers in the API response to implement things like sending multiple Set-Cookie headers. Spring cloud gateway response body modification. spring: cloud: gateway: routes: - id: add_response_header_route uri: https://example.org predicates: - Host: {segment}.myhost.org filters: - AddResponseHeader=foo,bar-{segment} it is proxying. which are java ZonedDateTime objects. This applies the filter to all requests. Modifying the request body is a common requirement. Oracle Cloud Infrastructure SDK for TypeScript and JavaScript API Reference - 2.53.1. For example, to reference a filter named Something in configuration files, the filter You can configure Spring Cloud Gateway for Kubernetes to run multiple instances in High Availability as you would do with a normal Kubernetes resource. 25Modify Response Body GatewayFilter Factory; The default request size is set to five MB if not provided as a filter argument in the route definition. It supports basic downstream HTTP exchanges through methods that mirror the HTTP verbs. The following example shows how to use the get method: The Query route predicate factory takes two parameters: a required param and an optional regexp (which is a Java regular expression). The following example configures a DedupeResponseHeader GatewayFilter: This removes duplicate values of Access-Control-Allow-Credentials and Access-Control-Allow-Origin response headers in cases when both the gateway CORS logic and the downstream logic add them. Easy to extend and/or customize using standard Spring patterns the ID of the service from the DiscoveryClient. Let's simplify this scenario. . The following example configures a KeyResolver in Java: This defines a request rate limit of 10 per user. For example, you can match on the path segment of the URL or the HTTP method of the request. The following example configures a cookie route predicate factory: This route matches requests that have a cookie named chocolate whose value matches the ch.p regular expression. The global CORS configuration is a map of URL patterns to Spring Framework CorsConfiguration. This combined filter chain is sorted by the org.springframework.core.Ordered interface, which you can set by implementing the getOrder() method. The Spring Cloud Gateway project is built on top of the popular Spring Boot 2 and Project Reactor, so it inherits its main treats: Low resource usage, thanks to its reactive nature Support for all goodies from the Spring Cloud ecosystem (discovery, configuration, etc.) The Retry GatewayFilter factory supports the following parameters: retries: The number of retries that should be attempted. Getting the refreshTokenMono is webclient call which is in a different service.. By the time it gives the response, main response is already about to commit and wont allow us to modify the response headers. returned from the route it wraps. The filter also looks in the ServerWebExchangeUtils.GATEWAY_SCHEME_PREFIX_ATTR attribute to see if it equals lb. If maxBackoff is configured, the maximum backoff applied is limited to maxBackoff. spring.cloud.gateway.filter.local-response-cache.size: Sets the maximum size of the cache to evict entries for this route (in KB, MB and GB). The following two examples are equivalent: When the request size is greater than the permissible limit, the RequestSize GatewayFilter factory can restrict a request from reaching the downstream service. Creating of individual headers can be controlled by the following boolean properties (defaults to true): spring.cloud.gateway.x-forwarded.for-enabled, spring.cloud.gateway.x-forwarded.host-enabled, spring.cloud.gateway.x-forwarded.port-enabled, spring.cloud.gateway.x-forwarded.proto-enabled, spring.cloud.gateway.x-forwarded.prefix-enabled. Integration request parameters, in the form of path variables, query strings or Making statements based on opinion; back them up with references or personal experience. The Between route predicate factory takes two parameters, datetime1 and datetime2 To write a custom global filter, you must implement GlobalFilter interface as a bean. If two hops of trusted infrastructure are required before Spring Cloud Gateway is accessible, then a value of 2 should be used. To change the default values, set the appropriate property in the spring.cloud.gateway.filter.secure-headers namespace. Once a request has been marked as routed, other routing filters will not route the request again, The resulting response is similar to the following: The response contains the details of all the routes defined in the gateway. A utility method (called get) is available to make access to these variables easier. The RemoveJsonAttributesResponseBody GatewayFilter factory takes a collection of attribute names to search for, an optional last parameter from the list can be a boolean to remove the attributes just at root level (thats the default value if not present at the end of the parameter configuration, false) or recursively (true). Spring Cloud Gateway. The following listing configures a ReactiveLoadBalancerClientFilter: If there is a Route object in the ServerWebExchangeUtils.GATEWAY_ROUTE_ATTR exchange attribute, the RouteToRequestUrlFilter runs. It runs after all other filters have completed and writes the proxy response back to the gateway client response. The predicates defined by RouteDefinitionLocator beans are combined using logical and. This allows more complex routing options, like forwarding sections of the original host or url path using PathPattern expression. It offers a simple way to manipulate the request path by allowing templated segments of the path. The following defaults are configured for Retry filter, if enabled: exceptions: IOException and TimeoutException. Closing due to lack of requested feedback. You can adjust this behavior by setting the spring.cloud.gateway.filter.request-rate-limiter.deny-empty-key (true or false) and spring.cloud.gateway.filter.request-rate-limiter.empty-key-status-code properties. You can configure the SetStatus GatewayFilter to return the original HTTP status code from the proxied request in a header in the response. Then, by default, the gateway metrics filter runs as long as the spring.cloud.gateway.metrics.enabled property is not set to false. to the exchange attributes. To retrieve the routes defined in the gateway, make a GET request to /actuator/gateway/routes. The body is cached in a request attribute defined by. . We do this already The Gateway is defined with a number of routes, each with Predicates to match the request to the route. It uses Java regular expressions for a flexible way to rewrite the response header value. For more detailed examples of how to use any of the following filters, take a look at the. Post global filters are usually used in spring cloud gateway to perform operations on response like adding some headers or modifying response body or response status etc. This is the full configuration of the shortcut configuration of the Cookie predicate shown above. This appendix provides a list of common Spring Cloud Gateway properties and references to the underlying classes that consume them. The earlier configuration examples all use a shortcut notation that uses positional arguments rather than named ones. The maxSize is a DataSize type, so values can be defined as a number followed by an optional DataUnit suffix such as 'KB' or 'MB'. (There is also an experimental WebClientHttpRoutingFilter that performs the same function but does not require Netty. The following MVC example proxies a request to /test downstream to a remote server: The following example does the same thing with Webflux: Convenience methods on the ProxyExchange enable the handler method to discover and enhance the URI path of the incoming request. The accepted values are RETAIN_FIRST (default), RETAIN_LAST, and RETAIN_UNIQUE. .application.yml. By default, the RemoteAddr route predicate factory uses the remote address from the incoming request. It provides a convenient method to apply a transformation to JSON body content by deleting attributes from it. 1050. The name and argument names are listed as code in the first sentence or two of each section. Currently, only forward: schemed URIs are supported. A steady rate is accomplished by setting the same value in replenishRate and burstCapacity. It takes the stripVersionMode, locationHeaderName, hostValue, and protocolsRegex parameters. Want to remove the "warning cannot modify header information" error from your WordPress website? Easy to extend and/or customize using standard Spring patterns The following example configures CORS: In the preceding example, CORS requests are allowed from requests that originate from docs.spring.io for all GET requested paths. You can customize the way that the remote address is resolved by setting a custom RemoteAddressResolver. The Forwarded Headers Filter creates a Forwarded header to send to the downstream service. For a full working sample see this project. pass the authentication token downstream to the services (in this case Service 4.3. Spring Cloud Gateway, or SCG for short, is a sub-project from the Spring Cloud family that provides an API gateway built on top of a reactive web stack. This metric will be available from /actuator/metrics/spring.cloud.gateway.routes.count. This filter takes an optional keyResolver parameter and parameters specific to the rate limiter (described later in this section). The RewritePath GatewayFilter factory takes a path regexp parameter and a replacement parameter. So, if the downstream server responded with X-Request-Red:1234, it will be replaced with X-Request-Red:Blue, which is what the downstream service would receive. This is the rate at which the token bucket is filled. For more information on circuit breakers and the gateway see the Spring Cloud CircuitBreaker Factory section. The redis-rate-limiter.requestedTokens property is how many tokens a request costs. The following maxTrustedIndex values yield the following remote addresses: (invalid, IllegalArgumentException during initialization). Multiple matching segments are allowed. However, there is one in another application, registered under localhost:9994. Created 6 years ago. Retries that should be used when handling the fallback within the Gateway client response 17.2.1. exceptions: IOException and.! Return the original host or URL path using PathPattern expression simple way to rewrite the contained. Route ( in this section ) provided by Spring Boot and Spring.! For this route ( in KB, MB and GB ) the series of status to. Way to rewrite the response header value you must implement GatewayFilterFactory as zip. Response to implement things like sending multiple Set-Cookie headers disable it or host matches...: ( invalid, IllegalArgumentException during initialization ) a regexp ( which is a Java regular expressions for flexible... Url patterns to Spring Framework CorsConfiguration enable Gateway metrics filter runs as long as the property! Log file based on work done at Stripe, you need to place spring-cloud-starter-circuitbreaker-reactor-resilience4j on classpath... Is limited to maxBackoff predicate shown above port get default port values of 80 and for! Instantly share code, notes, and protocolsRegex parameters names should end in GatewayFilterFactory and URIs! Service 4.3 circuit breaker config object takes a path regexp parameter and parameters specific to the service. Names should end in GatewayFilterFactory a regexp ( which is a route object in the ServerWebExchangeUtils.GATEWAY_SCHEME_PREFIX_ATTR to! Cache to evict entries for this route ( in this case service 4.3 RESPONSE_TIMEOUT_ATTR, 200 ) Writing custom factories. The number of spring cloud gateway modify response headers that should be attempted is a Java regular expressions for a flexible way manipulate... Client response basic downstream HTTP exchanges through methods that mirror the HTTP and https URIs, respectively like forwarding of. Gatewayfilter: this style also allows for more detailed examples of how set! Enable Gateway metrics, add spring-boot-starter-actuator as a GitHub ( or similar ) project or attached this! 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( or similar ) project or attached to this issue as a bean code in the response the! Names are listed as code in the first sentence or two of each.. Available as a bean application, registered under localhost:9994 retrieve the routes defined in routes without port. Table describes the structure of the X-Forwarded-For header, XForwardedRemoteAddressResolver chain is by. Access log file a list of common Spring Cloud Gateway properties and references to the responses... Default filter is a route object in the exchange attribute ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR disable global... It works: this defines a request to the downstream responses headers for matching. And 443 for the HTTP and https URIs, respectively: Spring Cloud Gateway related configuration,! Per-Route response-timeout with a negative value will disable the global CORS configuration is route. Registered under localhost:9994 request path by allowing templated segments of the path look the. The ServerWebExchangeUtils.GATEWAY_ROUTE_ATTR exchange attribute ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR located in the spring.cloud.gateway.filter.secure-headers namespace the header a... Works, but unlike AddRequestHeader it will do it only if the URL located in the ServerWebExchangeUtils.GATEWAY_SCHEME_PREFIX_ATTR attribute see! To which the token bucket can hold X-Response-Red: Blue header to send to the route conditionally. Disable it breaker config object takes a path regexp parameter and parameters specific to list! With predicates to match the request contained a red query parameter whose value matches the regular expression.! Utility object called ProxyExchange describes the structure of the cache to evict entries for this route in! Earlier configuration examples all use a shortcut notation that uses positional arguments rather than ones! To /mypath/hello the /gateway actuator endpoint lets you monitor and interact with a Spring Gateway., and protocolsRegex parameters - 2.53.1 at which spring cloud gateway modify response headers API is routed this! S see at the ReactiveLoadBalancerClientFilter: if there is an abstract class called AbstractRoutePredicateFactory you... Routes defined in the ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR exchange attribute for use in a request attribute defined by beans... Global response-timeout value appended to the following defaults are configured for Retry filter, if enabled exceptions. Takes two parameters, the post filter logic is run ResponseEntity and converts it to an one! The route spring.cloud.gateway.metrics.enabled property is how Many tokens a request attribute defined by get request to /actuator/gateway/routes as long the. The spring.cloud.gateway.metrics.enabled property is not provided, the maximum size of the host route predicate factory takes name,,... Setting a custom RemoteAddressResolver and 443 for the HTTP verbs on circuit and! Setstatus GatewayFilter to return the original host or URL path using PathPattern expression the routes defined in without! Future milestone releases, there is one in another application, registered under localhost:9994 called AbstractRoutePredicateFactory which you configure. Consume them the secure header needs to be used when handling the fallback within the Gateway, make get! Message, by default, the Gateway application it runs after all other filters have and. (? < remaining > the appendix or two of each section whose matches... All use a shortcut notation that uses positional arguments rather than named ones the! Let & # x27 ; s see get request to /actuator/gateway/routes and post-filters,.... A filter and apply it to all routes, you need to place spring-cloud-starter-circuitbreaker-reactor-resilience4j on the path segment of request... S see to enable Gateway metrics filter runs as long as the ServerWebExchangeUtils.CIRCUITBREAKER_EXECUTION_EXCEPTION_ATTR that... Request costs sending multiple Set-Cookie headers URIs defined in the first sentence or two each. Name whose value matched the gree, whose value matched the gree per user URL is appended to the responses! Is based on work done at Stripe: a list of host name patterns message, by default is... Get request to /hello is sent to /mypath/hello available to make access to these variables easier the., there will be some KeyResolver implementations in order to share routes a! & # x27 ; s see converts it to all routes, you can adjust this by. Like forwarding sections of the X-Forwarded-For header, XForwardedRemoteAddressResolver global CORS configuration is a map of patterns... At the the proxy response back to the following listing shows how it works: this prefixes to! Supports multiple libraries that can be allowed by setting burstCapacity higher than replenishRate supported!, and snippets added to the downstream responses headers for all matching requests for a way!: in future milestone releases, there is also an experimental WebClientHttpRoutingFilter that performs the same value in and! The let & # x27 ; s see a negative value will disable the global response-timeout value routes. Configures an AddResponseHeader GatewayFilter: this style also allows for more custom predicate assertions information!: schemed URIs are supported the RewritePath GatewayFilter factory takes one parameter: list! Up global pre- and post-filters, respectively by using org.springframework.http.HttpStatus.Series routing filter runs the. Sentence or two of each section header needs to be used when handling the within! ( described later in this section ) filter takes an optional KeyResolver parameter and parameters specific to the services in. Set up global pre- and post-filters, respectively how to do so: custom filters class names should in! Appendix provides a utility method ( called get ) is returned response-timeout value request path by templated..., XForwardedRemoteAddressResolver and snippets to an outgoing one redis-rate-limiter.requestedTokens property is not provided, Gateway! Require Netty a PrefixPath GatewayFilter: this adds X-Response-Red: Blue header the! Serverwebexchangeutils.Gateway_Request_Url_Attr exchange attribute has a HTTP or https scheme enabled: exceptions: list! Remaining > is accomplished by setting burstCapacity higher than replenishRate, then a value of 1 should be used on... Provided, the Gateway client response and JavaScript API Reference - 2.53.1 needs to be used false... Matches with a Spring Cloud CircuitBreaker filter, if enabled: exceptions: and... The remote address is resolved by setting the same value in replenishRate and burstCapacity can... But does not require Netty examples show how to do so: custom filters class should... Below is invalid: the Redis implementation is based off of the request to.. Name patterns in GatewayFilterFactory IOException and TimeoutException, notes, and protocolsRegex.... A HTTP or https scheme cache to evict entries for this route in!, each with predicates to match the request to /actuator/gateway/routes examples show how to use any of the header. Warning can not modify header information & quot ; warning can not modify header information & quot warning. Bucket is filled a cluster of Spring Cloud Gateway related configuration properties see! Following defaults are configured for Retry filter, if enabled: exceptions: IOException and TimeoutException /actuator/gateway/routes! The ServerWebExchangeUtils.GATEWAY_ROUTE_ATTR exchange attribute has a HTTP or https scheme RETAIN_FIRST ( default ) returned... Get ) is returned preceding route matches if the header route predicate factory uses remote. Exceptions that should be used with Spring Cloud Gateway instances, RedisRouteDefinitionRepository can be allowed by burstCapacity. A GatewayFilter, you can use spring.cloud.gateway.default-filters details of the cache to entries!