测试shinyproxy-demo时启动容器失败

Question

我是shinyproxy的新手，所以我要开始向向导学习https://www.shinyproxy.io/documentation/

我遵循了所有说明，我成功访问了

localhost:8080

但是，我无法访问该应用程序，就像这样。

但是我继续按照向导构建了

shinyproxy-template

图像，运行

docker run -it -p 3838:3838 openanalytics/shinyproxy-template

，效果很好，然后我手动添加了

applicaiton.yml

文件，在使用shinyproxy时也会出现同样的问题。

我在google或stackoverflow都找不到和我一样的情况，所以向大家求助！

详情

2024-01-04 23:20:54.736  INFO 5144 --- [  XNIO-1 task-2] e.o.containerproxy.service.UserService   : User logged in [user: jack]
2024-01-04 23:20:58.153  INFO 5144 --- [pool-1-thread-1] e.o.containerproxy.service.ProxyService  : [user=jack proxyId=fe994ae3-6984-4cb7-af8d-99184149ce67 specId=01_hello] Starting proxy
2024-01-04 23:21:00.319  WARN 5144 --- [pool-1-thread-1] e.o.containerproxy.service.ProxyService  : [user=jack proxyId=fe994ae3-6984-4cb7-af8d-99184149ce67 specId=01_hello] Proxy failed to start

eu.openanalytics.containerproxy.ProxyFailedToStartException: Container with index 0 failed to start
        at eu.openanalytics.containerproxy.backend.AbstractContainerBackend.startProxy(AbstractContainerBackend.java:116) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at eu.openanalytics.containerproxy.service.ProxyService.startOrResumeProxy(ProxyService.java:455) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at eu.openanalytics.containerproxy.service.ProxyService.lambda$startProxy$4(ProxyService.java:279) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at eu.openanalytics.containerproxy.service.ProxyService.lambda$action$11(ProxyService.java:599) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na]
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[na:na]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[na:na]
Caused by: eu.openanalytics.containerproxy.ContainerFailedToStartException: Docker container failed to start
        at eu.openanalytics.containerproxy.backend.docker.DockerEngineBackend.startContainer(DockerEngineBackend.java:153) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at eu.openanalytics.containerproxy.backend.AbstractContainerBackend.startProxy(AbstractContainerBackend.java:108) ~[containerproxy-1.0.2.jar!/:1.0.2]
        ... 8 common frames omitted
Caused by: com.spotify.docker.client.exceptions.DockerException: java.util.concurrent.ExecutionException: javax.ws.rs.ProcessingException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information
        at com.spotify.docker.client.DefaultDockerClient.propagate(DefaultDockerClient.java:2848) ~[docker-client-8.16.0.jar!/:8.16.0]
        at com.spotify.docker.client.DefaultDockerClient.request(DefaultDockerClient.java:2712) ~[docker-client-8.16.0.jar!/:8.16.0]
        at com.spotify.docker.client.DefaultDockerClient.inspectImage(DefaultDockerClient.java:1509) ~[docker-client-8.16.0.jar!/:8.16.0]
        at eu.openanalytics.containerproxy.backend.docker.DockerEngineBackend.isImagePresent(DockerEngineBackend.java:243) ~[containerproxy-1.0.2.jar!/:1.0.2]
        at eu.openanalytics.containerproxy.backend.docker.DockerEngineBackend.startContainer(DockerEngineBackend.java:81) ~[containerproxy-1.0.2.jar!/:1.0.2]
        ... 9 common frames omitted
Caused by: java.util.concurrent.ExecutionException: javax.ws.rs.ProcessingException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information
        at jersey.repackaged.com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299) ~[jersey-guava-2.26-b03.jar!/:na]
        at jersey.repackaged.com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:286) ~[jersey-guava-2.26-b03.jar!/:na]
        at jersey.repackaged.com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116) ~[jersey-guava-2.26-b03.jar!/:na]
        at com.spotify.docker.client.DefaultDockerClient.request(DefaultDockerClient.java:2710) ~[docker-client-8.16.0.jar!/:8.16.0]
        ... 12 common frames omitted
Caused by: javax.ws.rs.ProcessingException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information
        at org.glassfish.jersey.apache.connector.ApacheConnector.apply(ApacheConnector.java:488) ~[jersey-apache-connector-2.26-b03.jar!/:na]
        at org.glassfish.jersey.apache.connector.ApacheConnector$1.run(ApacheConnector.java:498) ~[jersey-apache-connector-2.26-b03.jar!/:na]
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[na:na]
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na]
        at jersey.repackaged.com.google.common.util.concurrent.MoreExecutors$DirectExecutorService.execute(MoreExecutors.java:299) ~[jersey-guava-2.26-b03.jar!/:na]
        at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123) ~[na:na]
        at jersey.repackaged.com.google.common.util.concurrent.AbstractListeningExecutorService.submit(AbstractListeningExecutorService.java:50) ~[jersey-guava-2.26-b03.jar!/:na]
        at jersey.repackaged.com.google.common.util.concurrent.AbstractListeningExecutorService.submit(AbstractListeningExecutorService.java:37) ~[jersey-guava-2.26-b03.jar!/:na]
        at org.glassfish.jersey.apache.connector.ApacheConnector.apply(ApacheConnector.java:494) ~[jersey-apache-connector-2.26-b03.jar!/:na]
        at org.glassfish.jersey.client.ClientRuntime$2.run(ClientRuntime.java:181) ~[jersey-client-2.26-b03.jar!/:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:267) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:303) ~[jersey-common-2.26-b03.jar!/:na]
        at org.glassfish.jersey.client.ClientRuntime$3.run(ClientRuntime.java:209) ~[jersey-client-2.26-b03.jar!/:na]
        ... 5 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information
        at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.glassfish.jersey.apache.connector.ApacheConnector.apply(ApacheConnector.java:442) ~[jersey-apache-connector-2.26-b03.jar!/:na]
        ... 21 common frames omitted
Caused by: java.net.ConnectException: Connection refused: no further information
        at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na]
        at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:682) ~[na:na]
        at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:542) ~[na:na]
        at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:592) ~[na:na]
        at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) ~[na:na]
        at java.base/java.net.Socket.connect(Socket.java:751) ~[na:na]
        at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) ~[httpclient-4.5.13.jar!/:4.5.13]
        at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ~[httpclient-4.5.13.jar!/:4.5.13]
        ... 30 common frames omitted

Answer 1

您的设置中似乎存在与 Docker 连接相关的问题。主要错误消息是：

Caused by: com.spotify.docker.client.exceptions.DockerException: java.util.concurrent.ExecutionException: javax.ws.rs.ProcessingException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:2375 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information

这表明 ShinyProxy 无法连接到您系统上的 Docker。以下是您可以检查和解决的一些事项：

1. Docker 守护进程运行： 确保 Docker 守护进程正在您的计算机上运行。 ShinyProxy 需要与 Docker 通信来启动容器。

2. Docker 主机配置： ShinyProxy 正在尝试连接到 localhost:2375 上的 Docker。确保 Docker 配置为接受远程连接。如果您在本地运行 Docker，则可能需要将 Docker 守护进程公开为 TCP 服务。您可以通过修改 Docker 守护进程配置（通常位于

   /etc/docker/daemon.json

   ）来完成此操作，以包括：

{
  "hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]
}

修改 Docker 守护进程配置后，重新启动 Docker 守护进程。

3. Docker 套接字权限：

确保运行 ShinyProxy 的用户具有访问 Docker 套接字所需的权限。您可能需要将用户添加到

docker

组。

sudo usermod -aG docker $USER

进行此更改后，您可能需要注销并重新登录或重新启动系统才能使更改生效。

4. 检查 Docker 连接性：

通过在终端中执行以下命令来验证 Docker 是否正在运行且可访问：

docker info

如果此命令失败，则可能表明 Docker 本身存在问题。

5. 防火墙设置：

确保没有防火墙规则阻止 ShinyProxy 和 Docker 之间的通信。