feign.FeignException$NotFound: status 404 reading OrdersClient#isBuyCourse(String,String)

问题

前端页面无法正常显示，后端报错如下：

2020-09-03 18:21:05 |INFO  |http-nio-8001-exec-1 |DynamicServerListLoadBalancer.java:150 |com.netflix.loadbalancer.DynamicServerListLoadBalancer |DynamicServerListLoadBalancer for client service-order initialized: DynamicServerListLoadBalancer:{NFLoadBalancer:name=service-order,current list of Servers=[192.168.211.1:8007],Load balancer stats=Zone stats: {unknown=[Zone:unknown;    Instance count:1;    Active connections count: 0;    Circuit breaker tripped count: 0;    Active connections per server: 0.0;]
},Server stats: [[Server:192.168.211.1:8007;    Zone:UNKNOWN;    Total Requests:0;    Successive connection failure:0;    Total blackout seconds:0;    Last connection made:Thu Jan 01 08:00:00 CST 1970;    First connection made: Thu Jan 01 08:00:00 CST 1970;    Active Connections:0;    total failure count in last (1000) msecs:0;    average resp time:0.0;    90 percentile resp time:0.0;    95 percentile resp time:0.0;    min resp time:0.0;    max resp time:0.0;    stddev resp time:0.0]
]}ServerList:org.springframework.cloud.alibaba.nacos.ribbon.NacosServerList@7ebf91e9
feign.FeignException$NotFound: status 404 reading OrdersClient#isBuyCourse(String,String)
    at feign.FeignException.clientErrorStatus(FeignException.java:165)
    at feign.FeignException.errorStatus(FeignException.java:141)
    at feign.FeignException.errorStatus(FeignException.java:133)
    at feign.codec.ErrorDecoder$Default.decode(ErrorDecoder.java:92)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:151)
    at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:80)
    at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)
    at com.sun.proxy.$Proxy125.isBuyCourse(Unknown Source)
    at com.atguigu.eduservice.controller.front.CourseFrontController.getFrontCourseInfo(CourseFrontController.java:64)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    。。。。。。。
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
io.jsonwebtoken.ExpiredJwtException: JWT expired at 2020-09-03T14:44:57Z. Current time: 2020-09-03T18:21:05Z, a difference of 12968785 milliseconds.  Allowed clock skew: 0 milliseconds.
    at io.jsonwebtoken.impl.DefaultJwtParser.parse(DefaultJwtParser.java:385)
    at io.jsonwebtoken.impl.DefaultJwtParser.parse(DefaultJwtParser.java:481)
    at io.jsonwebtoken.impl.DefaultJwtParser.parseClaimsJws(DefaultJwtParser.java:541)
    。。。。。。。
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
2020-09-03 18:21:06 |INFO  |PollingServerListUpdater-0 |ChainedDynamicProperty.java:115 |com.netflix.config.ChainedDynamicProperty |Flipping property: service-order.ribbon.ActiveConnectionsLimit to use NEXT property: niws.loadbalancer.availabilityFilteringRule.activeConnectionsLimit = 2147483647
feign.FeignException$NotFound: status 404 reading OrdersClient#isBuyCourse(String,String)
    at feign.FeignException.clientErrorStatus(FeignException.java:165)
    at feign.FeignException.errorStatus(FeignException.java:141)
    at feign.FeignException.errorStatus(FeignException.java:133)
    at feign.codec.ErrorDecoder$Default.decode(ErrorDecoder.java:92)
    。。。。。。。
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
io.jsonwebtoken.ExpiredJwtException: JWT expired at 2020-09-03T14:44:57Z. Current time: 2020-09-03T18:22:24Z, a difference of 13047571 milliseconds.  Allowed clock skew: 0 milliseconds.
    at io.jsonwebtoken.impl.DefaultJwtParser.parse(DefaultJwtParser.java:385)
    at io.jsonwebtoken.impl.DefaultJwtParser.parse(DefaultJwtParser.java:481)
    at io.jsonwebtoken.impl.DefaultJwtParser.parseClaimsJws(DefaultJwtParser.java:541)
    at com.atguigu.commonutils.JwtUtils.getMemberIdByJwtToken(JwtUtils.java:83)
    at com.atguigu.eduservice.controller.front.CourseFrontController.getFrontCourseInfo(CourseFrontController.java:64)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    。。。。。。。
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)

解决方案：

检查代码也没有错，后来退出账号，重新登录就好用了。

 我不知道这是不是和缓存有关。