Service Center Ereka Opens security Authentication
1, import class and annotate @EnableEurekaServer
2. eureka-server modifies configuration file application.properties
server.port:8761 spring.application.name=cloud-pratice-erueka-server #Open server login authentication spring.security.user.name=root spring.security.user.password=123456 #Set this service as eureka server eureka.client.register-with-eureka=false eureka.client.fetch-registry=false
1, import class and annotate @EnableDiscoveryClient
2. provider registers with service center application.properties
server.port=8001 spring.application.name=cloud-pratice-provider #eureka general registration method #eureka.client.serviceUrl.defaultZone=http://localhost:8761/eureka #eureka registered with login authentication root:123456 username: password eureka.client.serviceUrl.defaultZone=http://root:123456@localhost:8761/eureka #eureka.client.healthcheck.enabled=true
Next, start the first service cloud-pratice-erueka-server, and then start the second cloud-pratice-provider.
2019-08-09 15:11:21.265 WARN 12340 --- [nfoReplicator-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failure with status code 403; retrying on another server if available 2019-08-09 15:11:21.268 WARN 12340 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_CLOUD-PRATICE-PROVIDER/windows10.microdone.cn:cloud-pratice-provider:8001 - registration failed Cannot execute request on any known server com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:847) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) [eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101) [eureka-client-1.9.12.jar:1.9.12] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_201] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) [na:1.8.0_201] at java.util.concurrent.FutureTask.run(FutureTask.java) [na:1.8.0_201] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_201] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_201] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_201] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_201] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201] 2019-08-09 15:11:21.269 WARN 12340 --- [nfoReplicator-0] c.n.discovery.InstanceInfoReplicator : There was a problem with the instance info replicator com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:847) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.9.12.jar:1.9.12] at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101) [eureka-client-1.9.12.jar:1.9.12] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_201] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) [na:1.8.0_201] at java.util.concurrent.FutureTask.run(FutureTask.java) [na:1.8.0_201] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_201] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_201] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_201] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_201] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
The reason for this problem is that the new version of security (Spring Cloud 2.0 or more) defaults to csrf checking, and configures security's csrf checking to false on the Eureka server side.
To solve this problem, the following solutions can be used
Add a configuration for WebSecurity Config
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http.csrf().disable();
super.configure(http);
}
}
Okay, start again, go smoothly
Visit localhost:8761
Enter username password and login smoothly
Visit localhost:8001
Also enter the username and password! Of course, the input (probably only one of my own) is the same as that of eureka server, the login - > user name password is wrong!
What is the situation?
According to the survey, if the user name password is not configured, the system defaults to assign passwords, and a long string can be seen when the project starts.
Username default:user
Password: A long string generated at the start of the project. Enter the successful login! ____________