org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused

apache.org | 8 months ago
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    apache.org | 8 months ago
    org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused
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    apache.org | 1 year ago
    org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused
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    apache.org | 10 months ago
    org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused
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    apache.org | 8 months ago
    org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused
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    apache.org | 8 months ago
    org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:50070 refused

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Root Cause Analysis

  1. org.apache.http.conn.HttpHostConnectException

    Connection to http://localhost:50070 refused

    at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection()
  2. Apache HttpClient
    AbstractHttpClient.execute
    1. org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:190)
    2. org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294)
    3. org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:645)
    4. org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:480)
    5. org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
    6. org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
    7. org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
    7 frames
  3. org.apache.hadoop
    HttpClientDispatch.executeRequest
    1. org.apache.hadoop.gateway.dispatch.HttpClientDispatch.executeRequest(HttpClientDispatch.java:99)
    1 frame