java.net.ConnectException: Connection refused: connect

coderanch.com | 6 months ago
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    java.net.ConnectException: Connection refused

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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused: connect

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.<init>
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
    3. java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
    4. java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
    5. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    6. java.net.Socket.connect(Socket.java:529)
    7. java.net.Socket.connect(Socket.java:478)
    8. java.net.Socket.<init>(Socket.java:375)
    9. java.net.Socket.<init>(Socket.java:249)
    9 frames
  3. HttpClient
    HttpClient.executeMethod
    1. org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:80)
    2. org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:122)
    3. org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
    4. org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
    5. org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
    6. org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
    7. org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
    7 frames
  4. Spring
    RestTemplate.exchange
    1. org.springframework.http.client.CommonsClientHttpRequest.executeInternal(CommonsClientHttpRequest.java:83)
    2. org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:52)
    3. org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:438)
    4. org.springframework.web.client.RestTemplate.execute(RestTemplate.java:401)
    5. org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:377)
    5 frames
  5. com.restful.example
    RestClientController.getPhoto
    1. com.restful.example.RestClientController.getPhoto(RestClientController.java:59)
    1 frame
  6. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    4. java.lang.reflect.Method.invoke(Method.java:597)
    4 frames
  7. Spring
    HandlerMethodInvoker.invokeHandlerMethod
    1. org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
    1 frame
  8. Spring MVC
    FrameworkServlet.doGet
    1. org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
    2. org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
    3. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
    4. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
    5. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
    6. org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
    6 frames
  9. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    2 frames
  10. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
    4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)
    5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:151)
    7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
    9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
    10 frames
  11. Grizzly HTTP
    JIoEndpoint$SocketProcessor.run
    1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:269)
    2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
    3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
    3 frames
  12. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    3. java.lang.Thread.run(Thread.java:662)
    3 frames