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java - 我使用 springcloud 网关有一个问题

问题描述

问题描述

如果我想在将请求转发给真正的下游服务之前，使用网关将请求转发给认证中心，我该如何编写这段代码；

样本

我复制了 NettyRoutingFilter 的代码，但响应了这个错误；

20200110 19:52:08 [reactor-http-nio-1] ERROR org.springframework.boot.autoconfigure.web.reactive.error.DefaultErrorWebExceptionHandler - Failed to handle request [POST http://localhost:9999/api/upload]
java.lang.IllegalStateException: Only one connection receive subscriber allowed.
    at reactor.ipc.netty.channel.FluxReceive.startReceiver(FluxReceive.java:276)
    at reactor.ipc.netty.channel.FluxReceive.lambda$subscribe$2(FluxReceive.java:127)
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163)
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:464)
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
    at java.lang.Thread.run(Thread.java:748)

环境

标签： javaspringspring-cloudspring-webfluxgateway

解决方案

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