异常记录——Connection reset

  上班的时候项目报了个无法重现的异常 

java.net.SocketException: Connection reset

详细信息

 java.net.SocketException: Connection reset

        at java.net.SocketInputStream.read(SocketInputStream.java:196)

        at java.net.SocketInputStream.read(SocketInputStream.java:122)

        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:78)

        at org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:106)

        at org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1116)

        at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1413)

        at org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1973)

        at org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1735)

        at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1098)

        at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398)

        at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)

　　

出现原因

Connection Reset———客户端Or服务器端———其中一端主动断开连接

Connection Reset是在建立TCP连接之后，其中一方的TCP标志位使用了Reset标志主动重置了连接

服务器主动断开连接的原因：

• 服务器异常

• 服务器和客户端长短连接不匹配

• Https连接，服务器和客户端的TLS版本不一致