Spring Cloud Config Server OAuth2 authorization - keycloak

I have a config server and spring boot microservices running with config server requiring basic authentication user/pw. I have a Keycloak server I want to use for authentication and authorization of the microservice to the config server.
I have added the keycloak spring boot adapter to the config server so now the config server requires an OAuth2 token and have verified with Postman that it works as expected.
This is my microservice pom
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.7.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo-3</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo-3</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
<spring-cloud.version>Hoxton.SR9</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-oauth2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-oauth2-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
this is my bootstrap.yml
spring:
application:
name: appAuthzRestSpringBoot
cloud:
config:
uri: ${SOA_CONFIG_URI}
fail-fast: true
security:
oauth2:
client:
registration:
keycloak:
authorization-grant-type: client_credentials
client-id: app-authz-rest-springboot
client-secret: secret
provider:
keycloak:
token-uri: http://localhost:8080/auth/realms/spring-boot-quickstart/protocol/openid-connect/token
The bootstrap call to the config server does not have an OAuth2 bearer token.
What am I missing?

Related

Caused by: java.lang.NoClassDefFoundError: com/netflix/discovery/shared/resolver/EurekaEndpoint

Looks like new spring cloud version of netflix has some issues.I am trying to run eureka server locally and trying to register to it and i see the following exception.I thought spring boot will pull all dpendencies.
Here is the exception:
Exception in thread "main" java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.boot.Bootstrapper : org.springframework.cloud.netflix.eureka.config.EurekaConfigServerBootstrapper
at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:475)
at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:457)
at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:450)
at org.springframework.boot.SpringApplication.getBootstrapRegistryInitializersFromSpringFactories(SpringApplication.java:294)
at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:285)
at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:266)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1332)
at org.example.MyApp.main(MyApp.java:10)
Caused by: java.lang.NoClassDefFoundError: com/netflix/discovery/shared/resolver/EurekaEndpoint
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3305)
at java.base/java.lang.Class.getConstructor0(Class.java:3510)
at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2691)
at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:470)
... 8 more
Caused by: java.lang.ClassNotFoundException: com.netflix.discovery.shared.resolver.EurekaEndpoint
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:636)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:182)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
... 13 more
My Application.yml
server:
port: 8081
spring:
application:
name: MyApp
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8677/eureka/
my pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>SimpleBootApp</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<artifactId>spring-boot-starter-parent</artifactId>
<groupId>org.springframework.boot</groupId>
<version>2.5.6</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<!-- Thanks for using https://jar-download.com -->
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>2020.0.4</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
</project>
I dont find any one reporting this issue Please help
You need add dependency:
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>

Can't import Spring Cloud dependencies for enabling Eureka client

I work on app in which I try to register Eureka client on server but stuck on the first step where I need dependency which make enable #EnableEurekaClient annotation.
I followed cloud.spring.io instructions which did not work:
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
II) I then found some latest stack & tried (as follows) which did not work as well:
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
I wonder, as all folder suddenly disappear in case I put above dependency in the pom.xml (I use Intellij)
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-
4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.eurekaproject.learn</groupId>
<artifactId>microservice-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>microservice-app</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>
application.yml
spring:
application:
name: microservice-app
datasource:
url: jdbc:mysql://localhost:3306/microservice-app
username: root
password: 12345
jpa:
hibernate:
ddl-auto: none
server:
port: 8092
eureka:
client:
service-url:
defaultZone: http://localhost:8081/eureka
info:
app:
name: ${spring.application.name}
You need to add the Spring Cloud BOM to your pom.xml as follows:
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>2020.0.3</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
Once this is added, all Spring Cloud dependencies including spring-cloud-starter-netflix-eureka-client will resolve, and you should be able to use annotations such as #EnableDiscoveryClient for activating the Eureka discovery client.

Spring Cloud Data Flow Grafana Prometheus not showing stream data

I launch Spring cloud data flow with docker-compose base on this website.
https://dataflow.spring.io/docs/installation/local/docker/
I created 3 apps, Source, Processor & Sink.
I ran
export STREAM_APPS_URI=https://dataflow.spring.io/Einstein-BUILD-SNAPSHOT-stream-applications-kafka-maven
When I run docker-compose -f ./docker-compose.yml -f ./docker-compose-prometheus.yml up, all my containers start up as specified in the docker-compose.yml and docker-compose-prometheus.yml.
I proceed to register the 3 applications and then create a stream with them.I then run it.
Question 1:
The status of the stream is always "Deploying". Shouldn't it be Deployed?
Question 2:
When I click on the "Grafana" icon, it launches the Grafana page but there is no data on it. Why is it so? I am using kafka as my messaging middleware as shown below.
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-binder-kafka</artifactId>
</dependency>
This is my pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>org.dso.info.io</groupId>
<artifactId>usage-detail-sender-kafka</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>usage-detail-sender-kafka</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR2</spring-cloud.version>
<prometheus-rsocket-spring.version>0.8.0</prometheus-rsocket-spring.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-binder-kafka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-test-support</artifactId>
<scope>test</scope>
</dependency>
<!-- prometheus-rsocket monitoring -->
<dependency>
<groupId>org.springframework.cloud.stream.app</groupId>
<artifactId>app-starters-micrometer-common</artifactId>
<version>2.1.1.RELEASE</version>
</dependency>
<dependency>
<groupId>io.micrometer</groupId>
<artifactId>micrometer-registry-prometheus</artifactId>
</dependency>
<dependency>
<groupId>io.micrometer.prometheus</groupId>
<artifactId>prometheus-rsocket-spring</artifactId>
<version>${prometheus-rsocket-spring.version}</version>
</dependency>
<dependency>
<groupId>io.micrometer.prometheus</groupId>
<artifactId>prometheus-rsocket-client</artifactId>
<version>${prometheus-rsocket-spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-cloudfoundry-connector</artifactId>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<repositories>
<repository>
<snapshots>
<enabled>true</enabled>
</snapshots>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
</repository>
</repositories>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
I solved this issue adding some dependencies and some entries on properties.
pom.xml:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud.stream.app</groupId>
<artifactId>app-starters-micrometer-common</artifactId>
<version>2.1.2.RELEASE</version>
</dependency>
<dependency>
<groupId>io.micrometer</groupId>
<artifactId>micrometer-registry-prometheus</artifactId>
</dependency>
<dependency>
<groupId>io.micrometer.prometheus</groupId>
<artifactId>prometheus-rsocket-spring</artifactId>
<version>0.9.0</version>
</dependency>
application.properties:
spring.cloud.dataflow.applicationProperties.stream.management.metrics.export.prometheus.enabled=true
spring.cloud.dataflow.applicationProperties.stream.management.metrics.export.prometheus.rsocket.enabled=true
spring.cloud.dataflow.applicationProperties.stream.management.metrics.export.prometheus.rsocket.host=prometheus-rsocket-proxy
spring.cloud.dataflow.applicationProperties.stream.management.metrics.export.prometheus.rsocket.port=7001
spring.cloud.dataflow.applicationProperties.stream.management.endpoint.health.show-details=always
spring.cloud.dataflow.applicationProperties.stream.management.endpoint.health.show-components=always
spring.cloud.dataflow.applicationProperties.stream.management.endpoints.jmx.exposure.include=*
spring.cloud.dataflow.applicationProperties.stream.management.endpoints.web.exposure.include=*

Hazelcast member discovery with PCF Registry Service and hazelcast-eureka-plugin

Running several instances of application with embedded hazelcast on PCF. My goal is to chain hazelcast members into cluster. For purpose of member discovery I am using hazelcast-eureka plugin. I am able to achieve member discovery using simple Eureka Server app, passing eureka URL to hazelcast-eureka plugin, using this example.
Now I want to use PCF Registry Service instead of Eureka Server app. For that purpose I am using EurekaOneDiscoveryStrategyFactory with EurekaClient autowired which is configured with PCF Registry Service properies.
Issue is - my hazelcast members do net get registered by PCF Registry Service, hence can not discover each other. Though I can see my application instances get registered by PCF Registry Service.
Instance config:
#Autowired
private EurekaClient eurekaClient;
#Bean
public HazelcastInstance hazelcastInstance() {
return Hazelcast.newHazelcastInstance(cloudConfig());
}
#Bean
public Config cloudConfig(){
Config config = new Config();
config.getGroupConfig().setName( "hazelcast-test" );
config.setProperty("hazelcast.discovery.enabled", Boolean.TRUE.toString());
JoinConfig join = config.getNetworkConfig().getJoin();
join.getMulticastConfig().setEnabled(false);
EurekaOneDiscoveryStrategyFactory.setEurekaClient(eurekaClient);
final EurekaOneDiscoveryStrategyFactory eurekaOneDiscoveryStrategyFactory = new EurekaOneDiscoveryStrategyFactory();
DiscoveryStrategyConfig discoveryStrategyConfig =new DiscoveryStrategyConfig(eurekaOneDiscoveryStrategyFactory);
discoveryStrategyConfig.addProperty("self-registration", true);
discoveryStrategyConfig.addProperty("namespace", "hazelcast-test");
discoveryStrategyConfig.addProperty("use-classpath-eureka-client-props", false);
discoveryStrategyConfig.addProperty("shouldUseDns", false);
discoveryStrategyConfig.addProperty("datacenter", "cloud");
discoveryStrategyConfig.addProperty("name", "hazelcast-test");
discoveryStrategyConfig.addProperty("use-metadata-for-host-and-port", false);
discoveryStrategyConfig.addProperty("skip-eureka-registration-verification", false);
DiscoveryConfig discoveryConfig = new DiscoveryConfig();
discoveryConfig.addDiscoveryStrategyConfig( discoveryStrategyConfig );
join.setDiscoveryConfig( discoveryConfig );
return config;
}
pom.xml:
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.19.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>eureka-client-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>eureka-client-demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud-services.version>1.6.6.RELEASE</spring-cloud-services.version>
<spring-cloud.version>Edgware.SR5</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-starter-service-registry</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.hazelcast</groupId>
<artifactId>hazelcast-eureka-one</artifactId>
<version>1.0.2</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-dependencies</artifactId>
<version>${spring-cloud-services.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</repository>
</repositories>

Spring boot admin server not showing u\eureka clients registered on eureka server

Below is my eureka server application main class
package com.example.restaurant.server.startup;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
import de.codecentric.boot.admin.server.config.EnableAdminServer;
#EnableEurekaServer
#SpringBootApplication
#EnableAdminServer
public class RestaurantEurekaServerApplication {
public static void main(String[] args) {
SpringApplication.run(RestaurantEurekaServerApplication.class, args);
}
}
Here is the application.properties file for same
spring.application.name=RestaurantEurekaServer
eureka.client.service-url.defaultZone=http://localhost:9091/
server.port=9091
eureka.client.register-with-eureka=false
eureka.client.fetch-registry=false
security.basic.enabled= false
management.security.enabled= false
eureka.instance.health-check-url=/actuator/health
eureka.instance.home-page-url=/actuator/info
spring.boot.admin.context-path=/admin
management.endpoints.web.exposure.include=*
management.endpoint.health.show-details=always
The problem is my eureka server dashboard shows the clients registered on it but when i navigate to spring boot admin,it shows 0 applications registered
Pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>RestaurantEurekaServer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.SR1</spring-cloud.version>
<start-class>com.example.restaurant.server.startup.RestaurantEurekaServerApplication</start-class>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/de.codecentric/spring-boot-admin-server -->
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-server</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-server-ui</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-starter-client</artifactId>
<version>2.0.1</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
in application.properties, the eureka.client.fetch-registry should be true. With this, SBA can fetch the registration from eureka server.
Okay so after working on it for couple of days i figured it out
I had not set spring.boot.admin.client.url property in client due to which client was not aware on which server admin is running.
So 2 properties that i added in client are
spring.boot.admin.client.url=http://localhost:9095
spring.boot.admin.client.name=""//client will be registered in spring boot admin with his name
Also added maven dependency for spring boot admin in each client.
I think your problem is:
eureka.client.service-url.defaultZone=http://localhost:9091/
needs to be:
eureka.client.service-url.defaultZone=http://localhost:${server.port}/eureka/
you need to set in server
eureka.client.fetch-registry=true
and
#EnableDiscoveryClient
and you dependencies below is wrong:
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-server</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-server-ui</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-starter-client</artifactId>
<version>2.0.1</version>
</dependency>
only need dependency:
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-starter-server</artifactId>
<version>2.2.0</version> # change to your case
</dependency>