core.Exceptions$ErrorCallbackNotImplemented: Unable to find RoutePredicateFactory with name xxxx_reactor.core.exceptions$errorcallbacknotimplemente

1,Spring Cloud Gateway 整合MySql实现动态路由报错

reactor.core.Exceptions$ErrorCallbackNotImplemented: java.lang.IllegalArgumentException: Unable to find RoutePredicateFactory with name predicateName
Caused by: java.lang.IllegalArgumentException: Unable to find RoutePredicateFactory with name predicateName
	at org.springframework.cloud.gateway.route.RouteDefinitionRouteLocator.lookup(RouteDefinitionRouteLocator.java:264) ~[spring-cloud-gateway-core-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.cloud.gateway.route.RouteDefinitionRouteLocator.combinePredicates(RouteDefinitionRouteLocator.java:244) ~[spring-cloud-gateway-core-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.cloud.gateway.route.RouteDefinitionRouteLocator.convertToRoute(RouteDefinitionRouteLocator.java:169) ~[spring-cloud-gateway-core-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:100) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.tryEmitScalar(FluxFlatMap.java:478) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.onNext(FluxFlatMap.java:413) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.drainLoop(FluxFlatMap.java:693) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.drain(FluxFlatMap.java:569) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher.FluxFlatMap$FlatMapInner.onSubscribe(FluxFlatMap.java:953) ~[reactor-core-3.3.3.RELEASE.jar:3.3.3.RELEASE]
	at reactor.core.publisher
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