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我有一个调用弹性搜索集群的 Spring-Boot 应用程序。我想为它添加普罗米修斯监控。我只添加了以下依赖项，只要我运行应用程序，我就会得到 java.util.concurrent.TimeoutException

     <!-- Spring boot actuator to expose metrics endpoint -->
     <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
     </dependency>
     <!-- Micormeter core dependecy  -->
     <dependency>
      <groupId>io.micrometer</groupId>
      <artifactId>micrometer-core</artifactId>
     </dependency>
     <!-- Micrometer Prometheus registry  -->
     <dependency>
      <groupId>io.micrometer</groupId>
      <artifactId>micrometer-registry-prometheus</artifactId>
     </dependency>

我的错误日志如下

org.elasticsearch.ElasticsearchTimeoutException: java.util.concurrent.TimeoutException: Timeout waiting for task.
    at org.elasticsearch.common.util.concurrent.FutureUtils.get(FutureUtils.java:72) ~[elasticsearch-6.4.3.jar:6.4.3]
    at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:54) ~[elasticsearch-6.4.3.jar:6.4.3]
    at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:44) ~[elasticsearch-6.4.3.jar:6.4.3]
    at org.springframework.boot.actuate.elasticsearch.ElasticsearchHealthIndicator.doHealthCheck(ElasticsearchHealthIndicator.java:80) ~[spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:84) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:98) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:50) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
    at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
    at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:246) [spring-core-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:76) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:61) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:126) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:99) [spring-boot-actuator-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809) [?:?]
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [?:?]
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466) [?:?]
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307) [?:?]
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1399) [?:?]
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:827) [?:?]
    at jdk.internal.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) ~[?:?]
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
    at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:359) [?:?]
    at sun.rmi.transport.Transport$1.run(Transport.java:200) [?:?]
    at sun.rmi.transport.Transport$1.run(Transport.java:197) [?:?]
    at java.security.AccessController.doPrivileged(Native Method) [?:?]
    at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [?:?]
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562) [?:?]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:796) [?:?]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677) [?:?]
    at java.security.AccessController.doPrivileged(Native Method) [?:?]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676) [?:?]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
    at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.util.concurrent.TimeoutException: Timeout waiting for task.
    at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:235) ~[elasticsearch-6.4.3.jar:6.4.3]
    at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:69) ~[elasticsearch-6.4.3.jar:6.4.3]
    at org.elasticsearch.common.util.concurrent.FutureUtils.get(FutureUtils.java:70) ~[elasticsearch-6.4.3.jar:6.4.3]
    ... 37 more
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2 回答 2

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堆栈跟踪似乎表明ElasticsearchHealthIndicator.doHealthCheck任务Timeout waiting for task.. 如果无法建立连接，这通常会发生。您提到弹性搜索服务在外部服务器上运行。你能检查一下程序是否可以访问服务器上的 Elasticsearch 端口吗？

默认情况下，Elasticsearch 仅限于 localhost，因为如果这样，则没有外部程序可以访问它。

于 2019-08-19T12:23:11.007 回答
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在我连接在本地运行的弹性搜索后，问题就解决了。我猜问题的原因是连接不良。与千分尺无关

于 2019-08-20T11:55:15.110 回答