前端后端都报500 Connection timed out: no further information

admin管理员组

文章数量:1608851

在做gulimall商城项目时，启动项目，前端刷新一直没有数据，前端后端都报500

前端报错：

500 Server Error for HTTP GET .....

后端报错：

ERROR 20388 --- [ctor-http-nio-6] a.w.r.e.AbstractErrorWebExceptionHandler : [1d89f367]  500 Server Error for HTTP GET "/api/product/category/list/tree"
ioty.channel.AbstractChannel$AnnotatedConnectException: Connection timed out: no further information: /172.25.55.48:8002
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
	|_ checkpoint ⇢ org.springframework.web.cors.reactive.CorsWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
	|_ checkpoint ⇢ HTTP GET "/api/product/category/list/tree" [ExceptionHandlingWebHandler]
Stack trace:
Caused by: java.ConnectException: Connection timed out: no further information
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_291]
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:715) ~[na:1.8.0_291]
	at ioty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) ~[netty-transport-4.1.45.Final.jar:4.1.45.Final]
	at ioty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) ~[netty-common-4.1.45.Final.jar:4.1.45.Final]
	at ioty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.45.Final.jar:4.1.45.Final]
	at ioty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.45.Final.jar:4.1.45.Final]
	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_291]

表现：服务器数据库处于正常连接状态，端口开启，防火墙并未拦截，但一直报500和超时

原因分析：项目没有正确加载配置文件，每次读取的mysql的url都是错误的

解决办法：把application.properties或者application.yml文件删掉重建，然后再次启动

本文标签： 后端Connectiontimedinformation