Nutch：失败：java.net.SocketException：连接重置

我在我的hadoop集群中运行nutch。当作业到达步骤取数据我得到java.net.SocketException: Connection reset。这里是完整的堆栈跟踪：Nutch：失败：java.net.SocketException：连接重置

2013-10-09 00:34:05,922 INFO org.apache.nutch.fetcher.Fetcher: fetch of Url error : xxxxxxx failed with: java.net.SocketException: Connection reset 
2013-10-09 00:34:05,923 ERROR org.apache.nutch.protocol.httpclient.Http: Failed to get protocol output 
java.net.SocketException: Connection reset 
    at java.net.SocketInputStream.read(SocketInputStream.java:189) 
    at java.net.SocketInputStream.read(SocketInputStream.java:121) 
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:235) 
    at java.io.BufferedInputStream.read(BufferedInputStream.java:254) 
    at org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:77) 
    at org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:105) 
    at org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1115) 
    at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1373) 
    at org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1832) 
    at org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1590) 
    at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:995) 
    at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:397) 
    at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170) 
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396) 
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:324) 
    at org.apache.nutch.protocol.httpclient.HttpResponse.<init>(HttpResponse.java:94) 
    at org.apache.nutch.protocol.httpclient.Http.getResponse(Http.java:154) 
    at org.apache.nutch.protocol.http.api.HttpBase.getProtocolOutput(HttpBase.java:140) 
    at org.apache.nutch.fetcher.Fetcher$FetcherThread.run(Fetcher.java:703)

来源

2013-10-08 cldo

您可以通过浏览器/ curl/wget从主机访问（可能多次在行中）目标URL，该hadoop正在运行？有关异常本身的解释，请参阅http://stackoverflow.com/questions/62929/java-net-socketexception-connection-reset。 – harpun

你必须在种子列表中指明url的协议！例如：

http://stackoverflow.com/ 
https://google.com 
ftp://foo.bar

来源

2013-10-09 11:49:50

Nutch：失败：java.net.SocketException：连接重置

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