我使用尤里卡与弹簧靴£。1个服务器，1个网关和2个api，在我的本地主机上我没有问题，但当我在Heroku上部署它时，我无法通过api网关到达api。EUREKA服务器发现了我所有的服务，没有任何问题。
在网关的日志中我有一个ERROR 500
2022-11-22T14:23:30.428847+00:00 app[web.1]: 2022-11-22 14:23:30.428 INFO 4 --- [ main] o.s.b.a.e.web.EndpointLinksResolver : Exposing 1 endpoint(s) beneath base path '/actuator'
2022-11-22T14:23:30.666161+00:00 app[web.1]: 2022-11-22 14:23:30.665 INFO 4 --- [ main] DiscoveryClientOptionalArgsConfiguration : Eureka HTTP Client uses RestTemplate.
2022-11-22T14:23:31.365410+00:00 app[web.1]: 2022-11-22 14:23:31.365 WARN 4 --- [ main] iguration$LoadBalancerCaffeineWarnLogger : Spring Cloud LoadBalancer is currently working with the default cache. While this cache implementation is useful for development and tests, it's recommended to use Caffeine cache in production.You can switch to using Caffeine cache, by adding it and org.springframework.cache.caffeine.CaffeineCacheManager to the classpath.
2022-11-22T14:23:31.391840+00:00 app[web.1]: 2022-11-22 14:23:31.391 INFO 4 --- [ main] o.s.c.n.eureka.InstanceInfoFactory : Setting initial instance status as: STARTING
2022-11-22T14:23:31.467468+00:00 app[web.1]: 2022-11-22 14:23:31.465 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Initializing Eureka in region us-east-1
2022-11-22T14:23:31.473095+00:00 app[web.1]: 2022-11-22 14:23:31.472 INFO 4 --- [ main] c.n.d.s.r.aws.ConfigClusterResolver : Resolving eureka endpoints via configuration
2022-11-22T14:23:31.498500+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Disable delta property : false
2022-11-22T14:23:31.498507+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Single vip registry refresh property : null
2022-11-22T14:23:31.498541+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Force full registry fetch : false
2022-11-22T14:23:31.498575+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Application is null : false
2022-11-22T14:23:31.498609+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Registered Applications size is zero : true
2022-11-22T14:23:31.498651+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Application version is -1: true
2022-11-22T14:23:31.498691+00:00 app[web.1]: 2022-11-22 14:23:31.498 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Getting all instance registry info from the eureka server
2022-11-22T14:23:32.651073+00:00 app[web.1]: 2022-11-22 14:23:32.650 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : The response status is 200
2022-11-22T14:23:32.657211+00:00 app[web.1]: 2022-11-22 14:23:32.656 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Starting heartbeat executor: renew interval is: 30
2022-11-22T14:23:32.661123+00:00 app[web.1]: 2022-11-22 14:23:32.660 INFO 4 --- [ main] c.n.discovery.InstanceInfoReplicator : InstanceInfoReplicator onDemand update allowed rate per min is 4
2022-11-22T14:23:32.668470+00:00 app[web.1]: 2022-11-22 14:23:32.668 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Discovery Client initialized at timestamp 1669127012667 with initial instances count: 1
2022-11-22T14:23:32.670420+00:00 app[web.1]: 2022-11-22 14:23:32.670 INFO 4 --- [ main] o.s.c.n.e.s.EurekaServiceRegistry : Registering application API-GATEWAY with eureka with status UP
2022-11-22T14:23:32.671101+00:00 app[web.1]: 2022-11-22 14:23:32.670 INFO 4 --- [ main] com.netflix.discovery.DiscoveryClient : Saw local status change event StatusChangeEvent [timestamp=1669127012670, current=UP, previous=STARTING]
2022-11-22T14:23:32.673386+00:00 app[web.1]: 2022-11-22 14:23:32.673 INFO 4 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY/api-gateway:21401: registering service...
2022-11-22T14:23:32.751146+00:00 app[web.1]: 2022-11-22 14:23:32.750 INFO 4 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY/api-gateway:21401 - registration status: 204
2022-11-22T14:23:33.561901+00:00 heroku[web.1]: State changed from starting to up
2022-11-22T14:23:33.486111+00:00 app[web.1]: 2022-11-22 14:23:33.485 INFO 4 --- [ main] o.s.b.web.embedded.netty.NettyWebServer : Netty started on port 21401
2022-11-22T14:23:33.488877+00:00 app[web.1]: 2022-11-22 14:23:33.488 INFO 4 --- [ main] .s.c.n.e.s.EurekaAutoServiceRegistration : Updating port to 21401
2022-11-22T14:23:33.526112+00:00 app[web.1]: 2022-11-22 14:23:33.525 INFO 4 --- [ main] com.medhead.gateway.GatewayApplication : Started GatewayApplication in 13.001 seconds (JVM running for 13.623)
2022-11-22T14:23:35.370016+00:00 heroku[router]: at=info method=GET path="/" host=headmed-gateway.herokuapp.com request_id=cd66391f-2d15-4701-b0f9-c60c5c3f4b89 fwd="92.158.60.103" dyno=web.1 connect=0ms service=146ms status=404 bytes=387 protocol=https
2022-11-22T14:24:32.698383+00:00 heroku[router]: at=info method=GET path="/" host=headmed-gateway.herokuapp.com request_id=e5da2cfa-990f-4cab-ac75-b8e63ba6960e fwd="92.158.60.103" dyno=web.1 connect=0ms service=11ms status=404 bytes=387 protocol=https
2022-11-22T14:24:48.125828+00:00 heroku[router]: at=info method=GET path="/actuator/health" host=headmed-gateway.herokuapp.com request_id=84a74ade-2e24-4b00-a2ba-e87e23979557 fwd="92.158.60.103" dyno=web.1 connect=0ms service=51ms status=200 bytes=133 protocol=https
2022-11-22T14:25:37.041666+00:00 heroku[router]: at=info method=GET path="/patient-service/patients" host=headmed-gateway.herokuapp.com request_id=41c71d85-f335-494c-9b2d-119ee858a606 fwd="92.158.60.103" dyno=web.1 connect=0ms service=223ms status=500 bytes=411 protocol=https
2022-11-22T14:25:37.038507+00:00 app[web.1]: 2022-11-22 14:25:37.037 ERROR 4 --- [or-http-epoll-8] a.w.r.e.AbstractErrorWebExceptionHandler : [1a0ff15a-4] 500 Server Error for HTTP GET "/patient-service/patients"
2022-11-22T14:25:37.038521+00:00 app[web.1]:
2022-11-22T14:25:37.038522+00:00 app[web.1]: io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: localhost/127.0.0.1:6115
2022-11-22T14:25:37.038523+00:00 app[web.1]: Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
2022-11-22T14:25:37.038525+00:00 app[web.1]: Error has been observed at the following site(s):
2022-11-22T14:25:37.038527+00:00 app[web.1]: *__checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
2022-11-22T14:25:37.038528+00:00 app[web.1]: *__checkpoint ⇢ org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter [DefaultWebFilterChain]
2022-11-22T14:25:37.038529+00:00 app[web.1]: *__checkpoint ⇢ HTTP GET "/patient-service/patients" [ExceptionHandlingWebHandler]
2022-11-22T14:25:37.038530+00:00 app[web.1]: Original Stack Trace:
2022-11-22T14:25:37.038530+00:00 app[web.1]: Caused by: java.net.ConnectException: finishConnect(..) failed: Connection refused
2022-11-22T14:25:37.038531+00:00 app[web.1]: at io.netty.channel.unix.Errors.newConnectException0(Errors.java:155) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038531+00:00 app[web.1]: at io.netty.channel.unix.Errors.handleConnectErrno(Errors.java:128) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038531+00:00 app[web.1]: at io.netty.channel.unix.Socket.finishConnect(Socket.java:359) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038533+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:710) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038533+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:687) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038534+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:567) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038535+00:00 app[web.1]: at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:489) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038535+00:00 app[web.1]: at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038535+00:00 app[web.1]: at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038536+00:00 app[web.1]: at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038536+00:00 app[web.1]: at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.038536+00:00 app[web.1]: at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
2022-11-22T14:25:37.038537+00:00 app[web.1]:
2022-11-22T14:25:37.092716+00:00 app[web.1]: 2022-11-22 14:25:37.091 ERROR 4 --- [or-http-epoll-1] a.w.r.e.AbstractErrorWebExceptionHandler : [0a942c39-5] 500 Server Error for HTTP GET "/patient-service/patients"
2022-11-22T14:25:37.092717+00:00 app[web.1]:
2022-11-22T14:25:37.092718+00:00 app[web.1]: io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: localhost/127.0.0.1:6115
2022-11-22T14:25:37.092719+00:00 app[web.1]: Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
2022-11-22T14:25:37.092720+00:00 app[web.1]: Error has been observed at the following site(s):
2022-11-22T14:25:37.092720+00:00 app[web.1]: *__checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
2022-11-22T14:25:37.092721+00:00 app[web.1]: *__checkpoint ⇢ org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter [DefaultWebFilterChain]
2022-11-22T14:25:37.092722+00:00 app[web.1]: *__checkpoint ⇢ HTTP GET "/patient-service/patients" [ExceptionHandlingWebHandler]
2022-11-22T14:25:37.092722+00:00 app[web.1]: Original Stack Trace:
2022-11-22T14:25:37.092722+00:00 app[web.1]: Caused by: java.net.ConnectException: finishConnect(..) failed: Connection refused
2022-11-22T14:25:37.092723+00:00 app[web.1]: at io.netty.channel.unix.Errors.newConnectException0(Errors.java:155) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092723+00:00 app[web.1]: at io.netty.channel.unix.Errors.handleConnectErrno(Errors.java:128) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092724+00:00 app[web.1]: at io.netty.channel.unix.Socket.finishConnect(Socket.java:359) ~[netty-transport-native-unix-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092725+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:710) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092725+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:687) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092725+00:00 app[web.1]: at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:567) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092726+00:00 app[web.1]: at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:489) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092726+00:00 app[web.1]: at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:397) ~[netty-transport-classes-epoll-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092726+00:00 app[web.1]: at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092727+00:00 app[web.1]: at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092727+00:00 app[web.1]: at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.84.Final.jar!/:4.1.84.Final]
2022-11-22T14:25:37.092727+00:00 app[web.1]: at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
2022-11-22T14:25:37.092728+00:00 app[web.1]:
2022-11-22T14:25:37.095360+00:00 heroku[router]: at=info method=GET path="/patient-service/patients" host=headmed-gateway.herokuapp.com request_id=6657476d-7856-4a93-8243-5f5fb56b2921 fwd="92.158.60.103" dyno=web.1 connect=0ms service=14ms status=500 bytes=411 protocol=https
这是我的应用程序道具为我的微服务
application-heroku。yml (EUREKA SERVER)
server:
port: ${PORT:8761}
spring:
application:
name: eureka-server
cloud:
service-registry:
auto-registration:
enabled: false
eureka:
client:
register-with-eureka: false
fetch-registry: false
management:
endpoints:
web:
exposure:
include: "*"
application-heroku。yml(网关)
server:
port: ${PORT:8082}
forward-headers-strategy: framework
spring:
application:
name: api-gateway
cloud:
discovery:
enabled: true
gateway:
globalcors:
add-to-simple-url-handler-mapping: true
metrics:
enabled: true
discovery:
locator:
enabled: true
lower-case-service-id: true
routes:
- id: patient-service
uri: lb://patient-service
predicates:
- Path=/patients/**
filters:
- RewritePath=/patients(?<segment>/?.*), ${segment}
eureka:
client:
service-url:
defaultZone: https://headmed-eureka.herokuapp.com/eureka/
instance:
hostname: localhost
nonSecurePort: 80
application-heroku。yml (MICROSERVICE)
server:
port: ${PORT:8080}
forward-headers-strategy: none
eureka:
client:
enabled: true
service-url:
defaultZone: https://headmed-eureka.herokuapp.com/eureka/
instance:
hostname: localhost
instance-id: ${spring.application.name}:${random.uuid}
spring:
application:
name: patient-service
datasource:
url: jdbc:h2:mem:patient;
username: sa
password: password
driverClassName: org.h2.Driver
jpa:
database-platform: org.hibernate.dialect.H2Dialect
show-sql: true
defer-datasource-initialization: true
hibernate:
ddl-auto: create-drop
generate-ddl: true
database: h2
sql:
init:
mode: always
h2:
console:
enabled: true
path: /h2
data:
jpa:
repositories:
bootstrap-mode: default
springdoc:
swagger-ui:
path: /swagger-ui
我认为这个问题是在Heroku上，但我不知道如何解决。
我检查了使用nonSecurePort，但它不工作。
我通过添加。
non-secure-port-enabled: true
secure-port-enabled: false
non-secure-port: 80
secure-port: 443