前言

在微服務(wù)中整合gateway網(wǎng)關(guān)，網(wǎng)關(guān)服務(wù)成功啟動、在訪問地址的時(shí)候報(bào)錯(cuò)。主要原因是依賴父工程spring-boot-starter-parent 的版本和依賴網(wǎng)關(guān)spring-cloud-starter-gateway的版本不同導(dǎo)致。

錯(cuò)誤信息

在這里插入代碼片

在進(jìn)行地址跳轉(zhuǎn)的時(shí)候，沒有做出相應(yīng)的頁面跳轉(zhuǎn)。同時(shí)控制臺報(bào)錯(cuò)

2023-03-01 09:22:00.506 ERROR 17212 --- [ctor-http-nio-2] reactor.netty.http.server.HttpServer     : [id: 0xb3f62a67, L:/0:0:0:0:0:0:0:1:88 - R:/0:0:0:0:0:0:0:1:12648] 

java.lang.NoSuchMethodError: reactor.netty.http.client.HttpClient.chunkedTransfer(Z)Lreactor/netty/http/client/HttpClient;
	at org.springframework.cloud.gateway.filter.NettyRoutingFilter.filter(NettyRoutingFilter.java:125) ~[spring-cloud-gateway-core-2.1.3.RELEASE.jar:2.1.3.RELEASE]
	at org.springframework.cloud.gateway.handler.FilteringWebHandler$GatewayFilterAdapter.filter(FilteringWebHandler.java:138) ~[spring-cloud-gateway-core-2.1.3.RELEASE.jar:2.1.3.RELEASE]
	at org.springframework.cloud.gateway.filter.OrderedGatewayFilter.filter(OrderedGatewayFilter.java:44) ~[spring-cloud-gateway-core-2.1.3.RELEASE.jar:2.1.3.RELEASE]
	at org.springframework.cloud.gateway.handler.FilteringWebHandler$DefaultGatewayFilterChain.lambda$filter$0(FilteringWebHandler.java:118) ~[spring-cloud-gateway-core-2.1.3.RELEASE.jar:2.1.3.RELEASE]
	at org.springframework.cloud.gateway.handler.FilteringWebHandler$DefaultGatewayFilterChain$$Lambda$588/1474947676.get(Unknown Source) ~[na:na]
	at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:44) ~[reactor-core-3.3.0.RELEASE.jar:3.3.0.RELEASE]
	at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52) ~[reactor-core-3.3.0.RELEASE.jar:3.3.0.RELEASE]
	at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52) ~[reactor-core-3.3.0.RELEASE.jar:3.3.0.RELEASE]

解決方法

先前的版本(錯(cuò)誤版本)

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.1.RELEASE</version>
        <relativePath/>
    </parent>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
            <version>2.1.3.RELEASE</version>
        </dependency>

提示：
這里要說明一下，如果在創(chuàng)建網(wǎng)關(guān)服務(wù)的時(shí)候勾選了gateway，生成的pom中是沒有版本號的、默認(rèn)應(yīng)該是最新。根據(jù)控制臺的信息提示，gateway的版本是2.1.3.RELEASE，如果改成其它版本也會出現(xiàn)類似的情況

修改后可行的版本

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
        <relativePath/> 
    </parent>
            <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
            <version>2.1.3.RELEASE</version>
        </dependency>

成功測試

輸入地址后會進(jìn)行跳轉(zhuǎn)

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