如何解决Spring Cloud Gateway AbstractErrorWebExceptionHandler
我为所有传入的请求创建了全局路由,并使用AbstractErrorWebExceptionHandler进行了处理。
我的application.yml
spring:
cloud:
gateway:
routes:
- id: global_route
uri: http://localhost:8082
predicates:
- Path=/**
filters:
- RewritePath=/service(?<segment>/?.*),$\{segment}
- id: authorization_route
uri: http://localhost:8082
predicates:
- Path=/key/login
filters:
- JWTFilter=RSA512,HS512
运行应用程序时记录:
2020-10-28 09:31:58.606 ERROR 9184 --- [ctor-http-nio-1] a.w.r.e.AbstractErrorWebExceptionHandler : [6d5d3da0] 500 Server Error for HTTP GET "/keyfd"
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information: localhost/127.0.0.1:8082
Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
Error has been observed at the following site(s):
|_ checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
|_ checkpoint ⇢ HTTP GET "/keyfd" [ExceptionHandlingWebHandler]
Stack trace:
Caused by: java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.socketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_221]
at sun.nio.ch.socketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_221]
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.channel.nio.AbstractNioChannel$AbstractNIoUnsafe.finishConnect(AbstractNioChannel.java:334) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) ~[netty-transport-4.1.52.Final.jar:4.1.52.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) ~[netty-common-4.1.52.Final.jar:4.1.52.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.52.Final.jar:4.1.52.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.52.Final.jar:4.1.52.Final]
at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_221]
谢谢您的帮助。
解决方法
错误原因是我为Spring Cloud Gateway指定的uri与运行此应用程序的uri相同。因此,应用程序在localhost:8082上启动,而路由的uri是localhost:8082。
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