[rabbitmq-discuss] How to resolve this issue?

[Michael Klishin]

This means the server is not reachable (over TCP). Check if the IP is correct, possible firewall settings, if management plugin is enabled and binds to the IP address and port you expect, etc.

Try connecting via telnet first.

MK

> On 01/05/2014, at 02:39, "Srinath Sridharan -X (srinatsr - ZENSAR TECHNOLOGIES INC at Cisco)" <srinatsr at cisco.com> wrote:
> 
> Apr 30, 2014 3:38:24 PM org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [Q2OServiceEngine Servlet] in context with path [/QOTService-1.0] threw exception [Request processing failed; nested exception is org.springframework.web.client.ResourceAccessException: I/O error on POST request for "http://qot-job-03:15672/api/queues/%252F/validate.monitor/get": The target server failed to respond; nested exception is org.apache.http.NoHttpResponseException: The target server failed to respond] with root cause
> org.apache.http.NoHttpResponseException: The target server failed to respond
>        at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:95)
>        at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:62)
>        at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)
>        at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)
>        at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252)
>        at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:191)
>        at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)
>        at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)
>        at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:717)
>        at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:522)
>        at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
>        at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
>        at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:88)
>        at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:46)
>        at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:49)
>        at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:509)
>        at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:472)
>        at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:420)
>        at com.cisco.ccrc.service.controller.PushRequestToQueueController.getMessagesFromQueue(PushRequestToQueueController.java:94)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:606)
>        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:855)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
>        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
>        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
>        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
>        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
>        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
>        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
>        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>        at java.lang.Thread.run(Thread.java:724)
>  
>  
>  
> Regards …?
> Srinath
>  
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