Jhipster:Mircoservice 没有在 jhipster-registry 注册
Jhipster: Mircoservice not registering with jhipster-registry
我使用 jhipster 创建了一个微服务(generator-jhipster 的版本是 5.0.1)。它包含以下组件:
- 微服务 1
- Jhipster 注册表
- Keycloak 作为授权服务器
如果我使用生成的 docker-compose 配置 (app.yml) 启动微服务,它会毫无问题地启动所有组件。
但是如果我使用它们各自的 docker-compose 配置单独启动组件
例如:
docker-compose -f jhipster-registry.yml up -d
docker-compose -f postgres.yml up -d
docker-compose -f keycloak.yml up -d
然后我在微服务中看到以下异常。
2018-09-14T05:56:33.860533100Z
2018-09-14 05:56:33.859 WARN 1 --- [freshExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.ConnectException: Connection refused (Connection refused)
2018-09-14 05:56:33.859 ERROR 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_MS1/ms1:9d9ed2e17bb03d945b64e18e4d49ba5f - was unable to refresh its cache! status = Cannot execute request on any known server
2018-09-14T05:56:33.860794800Z
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)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:137)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1051)
at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:965)
at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1471)
at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1438)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2018-09-14T05:56:33.861228500Z
2018-09-14 05:56:34.735 ERROR 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error
2018-09-14T05:56:34.736291200Z
com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection refused (Connection refused)
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187)
at com.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123)
at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27)
at com.sun.jersey.api.client.Client.handle(Client.java:652)
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
at com.sun.jersey.api.client.WebResource.access0(WebResource.java:74)
at com.sun.jersey.api.client.WebResource$Builder.put(WebResource.java:529)
at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.sendHeartBeat(AbstractJerseyEurekaHttpClient.java:102)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118)
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846)
at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:144)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:134)
at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:118)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173)
... 27 common frames omitted
2018-09-14T05:56:34.737447400Z
2018-09-14 05:56:34.738 WARN 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.ConnectException: Connection refused (Connection refused)
2018-09-14 05:56:34.739 ERROR 1 --- [tbeatExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_MS1/ms1:9d9ed2e17bb03d945b64e18e4d49ba5f - was unable to send heartbeat!
2018-09-14T05:56:34.741411800Z
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)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846)
at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2018-09-14T05:56:34.742030100Z
微服务无法向注册表注册。你能告诉我原因是什么以及修复方法吗?
- 提前致谢:)
调试时(在 eclipse 中使用远程调试)我发现在使用单独的 docker 撰写文件时,服务正在尝试连接到本地主机,而单个 docker 撰写文件案例服务正在尝试连接到 jhipster-registry.
原因:
docker 撰写文件中的 jhipster 注册表配置存在一些细微差别。
app.yml 使用 central-config 文件夹中的 docker-config 文件夹,而 jhipster-registry 使用 central-config 文件夹中的 localhost-config 文件夹。
app.yml
jhipster-registry:
extends:
file: jhipster-registry.yml
service: jhipster-registry
environment:
- SPRING_CLOUD_CONFIG_SERVER_NATIVE_SEARCH_LOCATIONS=file:./central-config/docker-config/
central-server-config/docker-config/application.yml
eureka:
client:
service-url:
defaultZone: http://admin:${jhipster.registry.password}@jhipster-registry:8761/eureka/
====================================
jhipster-registry.yml
jhipster-registry:
image: jhipster/jhipster-registry:v3.3.0
....
environment:
- ...
- SPRING_CLOUD_CONFIG_SERVER_NATIVE_SEARCH_LOCATIONS=file:./central-config/localhost-config/
central-server-config/localhost-config/application.yml
eureka:
client:
service-url:
defaultZone: http://admin:${jhipster.registry.password}@localhost:8761/eureka/
让 jhipster-registry.yml 使用 docker-config 文件夹值而不是 localhost-config 文件夹值有助于解决这个问题。
注意:- 不知道 "native search location" 属性 在这里扮演什么角色以及它如何以及为什么影响服务,因为这是一个 jhipster 注册表配置 属性。等我弄明白了再更新。
我使用 jhipster 创建了一个微服务(generator-jhipster 的版本是 5.0.1)。它包含以下组件:
- 微服务 1
- Jhipster 注册表
- Keycloak 作为授权服务器
如果我使用生成的 docker-compose 配置 (app.yml) 启动微服务,它会毫无问题地启动所有组件。
但是如果我使用它们各自的 docker-compose 配置单独启动组件
例如:
docker-compose -f jhipster-registry.yml up -d
docker-compose -f postgres.yml up -d
docker-compose -f keycloak.yml up -d
然后我在微服务中看到以下异常。
2018-09-14T05:56:33.860533100Z
2018-09-14 05:56:33.859 WARN 1 --- [freshExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.ConnectException: Connection refused (Connection refused)
2018-09-14 05:56:33.859 ERROR 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_MS1/ms1:9d9ed2e17bb03d945b64e18e4d49ba5f - was unable to refresh its cache! status = Cannot execute request on any known server
2018-09-14T05:56:33.860794800Z
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)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:137)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1051)
at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:965)
at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1471)
at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1438)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2018-09-14T05:56:33.861228500Z
2018-09-14 05:56:34.735 ERROR 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error
2018-09-14T05:56:34.736291200Z
com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection refused (Connection refused)
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187)
at com.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123)
at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27)
at com.sun.jersey.api.client.Client.handle(Client.java:652)
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
at com.sun.jersey.api.client.WebResource.access0(WebResource.java:74)
at com.sun.jersey.api.client.WebResource$Builder.put(WebResource.java:529)
at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.sendHeartBeat(AbstractJerseyEurekaHttpClient.java:102)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118)
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846)
at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:144)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:134)
at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:118)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173)
... 27 common frames omitted
2018-09-14T05:56:34.737447400Z
2018-09-14 05:56:34.738 WARN 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.ConnectException: Connection refused (Connection refused)
2018-09-14 05:56:34.739 ERROR 1 --- [tbeatExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_MS1/ms1:9d9ed2e17bb03d945b64e18e4d49ba5f - was unable to send heartbeat!
2018-09-14T05:56:34.741411800Z
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)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.execute(EurekaHttpClientDecorator.java:92)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846)
at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2018-09-14T05:56:34.742030100Z
微服务无法向注册表注册。你能告诉我原因是什么以及修复方法吗?
- 提前致谢:)
调试时(在 eclipse 中使用远程调试)我发现在使用单独的 docker 撰写文件时,服务正在尝试连接到本地主机,而单个 docker 撰写文件案例服务正在尝试连接到 jhipster-registry.
原因: docker 撰写文件中的 jhipster 注册表配置存在一些细微差别。
app.yml 使用 central-config 文件夹中的 docker-config 文件夹,而 jhipster-registry 使用 central-config 文件夹中的 localhost-config 文件夹。
app.yml
jhipster-registry:
extends:
file: jhipster-registry.yml
service: jhipster-registry
environment:
- SPRING_CLOUD_CONFIG_SERVER_NATIVE_SEARCH_LOCATIONS=file:./central-config/docker-config/
central-server-config/docker-config/application.yml
eureka:
client:
service-url:
defaultZone: http://admin:${jhipster.registry.password}@jhipster-registry:8761/eureka/
====================================
jhipster-registry.yml
jhipster-registry:
image: jhipster/jhipster-registry:v3.3.0
....
environment:
- ...
- SPRING_CLOUD_CONFIG_SERVER_NATIVE_SEARCH_LOCATIONS=file:./central-config/localhost-config/
central-server-config/localhost-config/application.yml
eureka:
client:
service-url:
defaultZone: http://admin:${jhipster.registry.password}@localhost:8761/eureka/
让 jhipster-registry.yml 使用 docker-config 文件夹值而不是 localhost-config 文件夹值有助于解决这个问题。
注意:- 不知道 "native search location" 属性 在这里扮演什么角色以及它如何以及为什么影响服务,因为这是一个 jhipster 注册表配置 属性。等我弄明白了再更新。