a2501521908 commented on issue #2764:
URL: https://github.com/apache/rocketmq/issues/2764#issuecomment-809974952
这么说是我没有JDK的原因是吗这个机子，我看看这个怎么研究下指向，的确是宿主机没有安装jdk想着镜像中存在了就没必要了安装了个docker就开始了
有报错的，是这个，无法连接的错误
```java
java.lang.RuntimeException:
org.apache.rocketmq.remoting.exception.RemotingConnectException: connect to
<192.168.31.246:10911> failed
at com.google.common.base.Throwables.propagate(Throwables.java:160)
at
org.apache.rocketmq.console.task.DashboardCollectTask.fetchBrokerRuntimeStats(DashboardCollectTask.java:219)
at
org.apache.rocketmq.console.task.DashboardCollectTask.fetchBrokerRuntimeStats(DashboardCollectTask.java:218)
at
org.apache.rocketmq.console.task.DashboardCollectTask.fetchBrokerRuntimeStats(DashboardCollectTask.java:218)
at
org.apache.rocketmq.console.task.DashboardCollectTask.collectBroker(DashboardCollectTask.java:184)
at
org.apache.rocketmq.console.task.DashboardCollectTask$$FastClassBySpringCGLIB$$c818b8cd.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:721)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:656)
at
org.apache.rocketmq.console.task.DashboardCollectTask$$EnhancerBySpringCGLIB$$9a10db13.collectBroker(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65)
at
org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
at
org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
```
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