java.net.ConnectException: Connection refused

manifoldcf-user | 小林 茂樹(情報システム本部 / サービス企画部) | 5 years ago
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    java.net.ConnectException: Connection refused
  2. 0

    Re: [ManifoldCF 0.5] The web crawler remains running after a network connection refused

    manifoldcf-user | 5 years ago | 小林 茂樹(情報システム本部 / サービス企画部)
    java.net.ConnectException: Connection refused
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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Method.invoke
    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. sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
    8. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    9. java.lang.reflect.Method.invoke(Method.java:597)
    9 frames
  3. HttpClient
    HttpClient.executeMethod
    1. org.apache.commons.httpclient.protocol.ReflectionSocketFactory.createSocket(UnknownSource)
    2. org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(UnknownSource)
    3. org.apache.commons.httpclient.HttpConnection.open(Unknown Source)
    4. org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(UnknownSource)
    5. org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(UnknownSource)
    6. org.apache.commons.httpclient.HttpMethodDirector.executeMethod(UnknownSource)
    7. org.apache.commons.httpclient.HttpClient.executeMethod(UnknownSource)
    7 frames
  4. org.apache.manifoldcf
    ThrottledFetcher$ThrottledConnection$ExecuteMethodThread.run
    1. org.apache.manifoldcf.crawler.connectors.webcrawler.ThrottledFetcher$ThrottledConnection$ExecuteMethodThread.run(ThrottledFetcher.java:1244)
    1 frame