весенний облачный сервер потока данных при kubernetes ошибка при загрузке приборной панели

Question

Попытка запустить сервер потоков данных Spring Cloud в kubernetes. Когда я пытаюсь открыть URL-адрес панели мониторинга (https://scdfserverurl/dashboard/#/apps) в браузере, он частично загружается и выдает ошибку в журналах, показанную ниже. Остальные компоненты запускаются. точный и способный доступ к URL.

Трассировка стека ошибок

2019-10-29 23: 12: 20.855 + 0000 [http-nio-9393-exec-9] ОШИБКА oscdscRestControllerAdvice - Выявлено исключение при обработке запроса org.springframework.web.client.RestClientException: не удалось извлечь ответ: не найден подходящий HttpMessageConverter для типа ответа [org.springframework.hateoas.Resources] и типа контента [at text / ht]org.springframework.web.client.HttpMessageConverterExtractor.extractData (HttpMessageConverterExtractor.java:121) в org.springframework.web.client.RestTemplate $ ResponseEntityResponseExtractata.traResponseEntityResponseExtractor.extractData (RestTemplate.java:978)в org.springframework.web.client.RestTemplate.doExecute (RestTemplate.java:737) в org.springframework.web.client.RestTemplate.execute (RestTemplate.java:710) в org.springframework.weex.emplient(RestTemplate.java:628) в org.springframework.hateoas.client.Traverson $ TraversalBuilder.toObject (Traverson.java:344) в org.springframework.cloud.skipper.client.DefaultSkipperClient.listDepavaers5) по умолчанию (по умолчанию)org.springframework.cloud.dataflow.server.stream.SkipperStreamDeployer.platformList (SkipperStreamDeployer.java:610) в org.springframework.cloud.dataflow.server.service.impl.DefaultStreamService.platformList. org по умолчанию (org) по умолчанию (or). springframework.cloud. CglibAopProxy $ CglibMethodInvocation.invokeJoinpoint (CglibAopProxy.java:749) в организации.springframework.aop.framework.ReflectiveMethodInvocation.proceed (ReflectiveMethodInvocation.java:163) в org.springframework.transaction. .java: 98) по адресу org.springframework.aop.framework.ReflectiveMethodInvocation.proceed (ReflectiveMethodInvocation.java:186) по адресу org.springframework.aop.framework.CglibAopProxy $ DynamicAdvisedInforfrara.rag. cloud.dataflow.server.service.impl.DefaultStreamService $$ EnhancerBySpringCGLIB $$ a40fcfc9.platformList () в org.springframework.cloud.dataflow.server.controller.StreamDeploymentController.pljlImp_Im_LF.invoke0 (собственный метод) в sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) в sun.reflect.DelegatingMethodAccasseImpl.invoke (DelegatingMethodAccessorImpl.java:43) по адресу java.lang.reflect.Method.invoke (Method.java:498) по адресу org.springframework.web.method.support.InvocableHandlerMethod.doInandjhog: 18.springframework.web.method. .servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod (RequestMappingHandlerAdapter.java:895)в org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal (RequestMappingHandlerAdapter.java:800) в org.springframework.web.servlet.mvc.method.AbstractHandlerMethog.springframework.web.servlet.DispatcherServlet. .java: 1005) в org.springframework.web.servlet.FrameworkServlet.doGet (FrameworkServlet.java:897) в javax.servlet.http.HttpServlet.service (HttpServlet.java:634) в org.springbrame.web. FrameworkServlet.service (FrameworkServlet.java:882) в javax.servlet.http.HttpServlet.service (HttpServlet.java:741) в org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilavag2.in) atj.apache.hain).catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) по адресу org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:53) по адресу org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChaap.g): org.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) в org.springframework.web.filter.ForwardedHeaderFilter.doFilterInternal (ForwardedHeaderFilter.java:15est): 107) в org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:193) в org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) в org.s. web.trace.servlet. Java: 193) в org.apache.catalina.core. .doFilter (OncePerRequestFilter.java:107) в org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:193) в org.apache.catalina.core.ApplicationFilterChain.doFilterChain.doFilter.haf. springframework.web.filter. Java: 193) в org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) в org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal (HiddenHttpMetjrag).web.filter.OncePerRequestFilter.doFilter (OncePerRequestFilter.java:107) в org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:193) в org.apache.catilhaFF166: 106) в org.springframework.web.filter.OncePerRequestFilter.doFilter (OncePerRequestFilter.java:107)в org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:193) в org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) в orfFilterFrater(CharacterEncodingFilter.java:200) в org.springframework.web.filter.OncePerRequestFilter.doFilter (OncePerRequestFilter.java:107) в org.apache.catalina.core.ApplicationFilterChain.internalDoFilg. catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:166) в org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:200) в org.apache. 96) в org.apache.catalina.authenticator.AuthenticatorBase.invoke (AuthenticatorBase.java:490) в org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:139) в org.apache.catEror.invoke (ErrorReportValve.java:92) в org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:74) в org.apache.catalina.valves.RemoteIpValve.invoke (RemoteIpValve.java:67ap) в org. .connector.CoyoteAdapter.service (CoyoteAdapter.java:343) в org.apache.coyote.http11.Http11Processor.service (Http11Processor.java:408) в org.apache.coyote.AbstractProcessorLight.proight (AbstractProcessL). org.apache.coyote.AbstractProtocol $ ConnectionHandler.process (AbstractProtocol.java:834) в org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun (NioEndpoint.java:1415) в org.apache.tomcat.util. net.SocketProcessorBase.run (SocketProcessorBase.java:49) в java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1149) в java.util.concurrent.ThreadPoolExecutor $ Worker.run.jun).apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run (TaskThread.java:61) в java.lang.Thread.run (Thread.java:748)

Кубернетес сonfig YML

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: scdf-server-network-policy
spec:
  podSelector:
    matchLabels:
      app: scdf-server
  ingress:
    - from:
        - namespaceSelector:
            matchLabels:
              gkp_namespace: ingress-nginx
  egress:
    - {}
  policyTypes:
  - Ingress
  - Egress
---
apiVersion: v1
kind: Secret
metadata:
  name: poc-pull-secret
data:
  .dockerconfigjson: ewogICJhdXRocyI6IHsKI
type: kubernetes.io/dockerconfigjson      
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: scdf-server
  labels:
    app: scdf-server
spec:
  replicas: 1
  selector:
    matchLabels:
      app: scdf-server
  template:
    metadata:
      labels:
        app: scdf-server
      annotations:
        kubernetes.io/psp: nonroot
    spec:
      containers:
        - name: scdf-server
          image: <quay_url>/scdf-server:0.0.9-scdf
          imagePullPolicy: Always
          ports:
            - containerPort: 9393
              protocol: TCP
          resources:
            limits:
              cpu: "4"
              memory: 2Gi
            requests:
              cpu: 25m
              memory: 1Gi
          securityContext:
            runAsUser: 99 
          env:
            - name: SPRING_CLOUD_SKIPPER_CLIENT_SERVER_URI
              value: "<skipper_server_url>/api"
            - name: SPRING_CLOUD_DATAFLOW_FEATURES_SKIPPER_ENABLED
              value: "true"             
      imagePullSecrets:
        - name: poc-pull-secret
      serviceAccount: spark
      serviceAccountName: spark
---
apiVersion: v1
kind: Service
metadata:
  name: scdf-server
  labels:
    app: scdf-server
spec:
  ports:
    - port: 80
      targetPort: 9393
      protocol: TCP
      name: http
  selector:
    app: scdf-server
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: scdf-server
  annotations:    
    ingress.kubernetes.io/ssl-passthrough: "true"
    ingress.kubernetes.io/secure-backends: "true"
    kubernetes.io/ingress.allow.http: false
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
spec:
  rules:
    - host: "<app_url>"
      http:
        paths:
          - path: /
            backend:
              serviceName: scdf-server
              servicePort: 80
  tls:
    - hosts:
      - "<app_url>"

POM.XML для сервера потоков данных

<?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>pocgroup</groupId>
    <artifactId>scdf-server</artifactId>
    <version>1.0.0-SNAPSHOT</version>
    <name>Spring Cloud Data Flow :: Server</name>
    <packaging>jar</packaging>
    <description>Spring Cloud Dataflow Server</description>

    <!-- Spring Boot Dependency -->
    <parent>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-dataflow-parent</artifactId>
        <version>2.1.2.RELEASE</version>
        <relativePath/>
    </parent>

    <properties>
        <java.version>1.8</java.version>
        <revision>0.0.0-SNAPSHOT</revision>
        <jacoco.skip.instrument>true</jacoco.skip.instrument>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.jacoco</groupId>
                <artifactId>org.jacoco.agent</artifactId>
                <version>0.8.2</version>
                <classifier>runtime</classifier>
                <scope>test</scope>
            </dependency>


            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.8</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-dataflow-server</artifactId>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>

        <dependency>
            <groupId>org.jacoco</groupId>
            <artifactId>org.jacoco.agent</artifactId>
            <classifier>runtime</classifier>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.sybase.jconnect</groupId>
            <artifactId>jconn4</artifactId>
            <version>7.07-27307</version>
        </dependency>


    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <systemPropertyVariables>
                        <jacoco-agent.destfile>${project.build.directory}/jacoco.exec</jacoco-agent.destfile>
                    </systemPropertyVariables>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>org.apache.maven.surefire</groupId>
                        <artifactId>surefire-junit47</artifactId>
                        <version>2.21.0</version>
                    </dependency>
                </dependencies>
            </plugin>

            <plugin>
                <groupId>org.jacoco</groupId>
                <artifactId>jacoco-maven-plugin</artifactId>
                <version>0.8.2</version>
                <executions>
                    <execution>
                        <id>default-instrument</id>
                        <goals>
                            <goal>instrument</goal>
                        </goals>
                        <configuration>
                            <skip>${jacoco.skip.instrument}</skip>
                        </configuration>
                    </execution>
                    <execution>
                        <id>default-restore-instrumented-classes</id>
                        <goals>
                            <goal>restore-instrumented-classes</goal>
                        </goals>
                        <configuration>
                            <skip>${jacoco.skip.instrument}</skip>
                        </configuration>
                    </execution>
                    <execution>
                        <id>report</id>
                        <phase>prepare-package</phase>
                        <goals>
                            <goal>report</goal>
                        </goals>
                        <configuration>
                            <skip>${jacoco.skip.instrument}</skip>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>build-info</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <groupId>pl.project13.maven</groupId>
                <artifactId>git-commit-id-plugin</artifactId>
                <configuration>
                    <failOnNoGitDirectory>false</failOnNoGitDirectory>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>build-helper-maven-plugin</artifactId>
                <version>3.0.0</version>
                <executions>
                    <execution>
                        <id>add-it-test-source</id>
                        <phase>process-resources</phase>
                        <goals>
                            <goal>add-test-source</goal>
                            <goal>add-test-resource</goal>
                        </goals>
                        <configuration>
                            <sources>
                                <source>src/it/java</source>
                            </sources>
                            <resources>
                                <resource>
                                    <directory>src/it/resources</directory>
                                </resource>
                            </resources>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-checkstyle-plugin</artifactId>
                <executions>
                    <execution>
                        <id>checkstyle-validation</id>
                        <phase>none</phase>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <profiles>

        <profile>
            <id>integration-test</id>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-failsafe-plugin</artifactId>
                        <executions>
                            <execution>
                                <id>run-integration-tests</id>
                                <goals>
                                    <goal>integration-test</goal>
                                    <goal>verify</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>

    </profiles>
</project>

Answer 1

Это произошло из-за перенаправления https - http, из-за которого сервер потока данных не смог поразить конечную точку отдыха шкипера / развертывателя. Ниже ссылка содержит подробности Ссылка