Connection Reset By Peer Socket Error
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Socket Error Connection Reset By Peer Ftp
Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges connection reset by peer socket write error Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: connection reset by peer socket write error sql server Sign up What does “connection reset by peer” mean? up vote 317 down vote favorite 69 What is the meaning of the "connection reset by peer" error on a TCP connection? Is it a fatal error or just a notification? sockets tcp share|improve this question edited Apr 19 '13 at 2:04 Nick Caplinger 278310 asked Sep 16 '09 at 17:38 Soubok 5,636113962
Connection Reset By Peer Socket Write Error Godaddy
add a comment| 2 Answers 2 active oldest votes up vote 413 down vote accepted It's fatal. The remote server has sent you a RST packet, which indicates an immediate dropping of the connection, rather than the usual handshake. This bypasses the normal half-closed state transition. I like this description: "Connection reset by peer" is the TCP/IP equivalent of slamming the phone back on the hook. It's more polite than merely not replying, leaving one hanging. But it's not the FIN-ACK expected of the truly polite TCP/IP converseur. share|improve this answer edited Jul 19 '14 at 18:34 EJP 196k17140247 answered Sep 16 '09 at 17:48 ire_and_curses 45.2k1987118 13 Why is it labelled "connection reset by peer”? It sounds like it should be "connection reset by the host", or "connection reset by the server" –Robert Sep 26 '14 at 13:57 12 @Robert Because that's where the reset came from. The peer sent an RST packet. –EJP Dec 17 '14 at 22:44 16 ... Robert, your concern makes no sense to me. Peer is just strictly more general than that. In a typ
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Connection Reset By Peer Socket Write Error Java
Join them; it only takes a minute: Sign up 104, 'Connection reset by peer' socket error, or When does closing a socket result in a RST rather than FIN? up vote 18 down vote favorite 10 We're developing a http://stackoverflow.com/questions/1434451/what-does-connection-reset-by-peer-mean Python web service and a client web site in parallel. When we make an HTTP request from the client to the service, one call consistently raises a socket.error in socket.py, in read: (104, 'Connection reset by peer') When I listen in with wireshark, the "good" and "bad" responses look very similar: Because of the size of the OAuth header, the request is split into two packets. The service responds to both with ACK The service sends the response, one http://stackoverflow.com/questions/383738/104-connection-reset-by-peer-socket-error-or-when-does-closing-a-socket-resu packet per header (HTTP/1.0 200 OK, then the Date header, etc.). The client responds to each with ACK. (Good request) the server sends a FIN, ACK. The client responds with a FIN, ACK. The server responds ACK. (Bad request) the server sends a RST, ACK, the client doesn't send a TCP response, the socket.error is raised on the client side. Both the web service and the client are running on a Gentoo Linux x86-64 box running glibc-2.6.1. We're using Python 2.5.2 inside the same virtual_env. The client is a Django 1.0.2 app that is calling httplib2 0.4.0 to make requests. We're signing requests with the OAuth signing algorithm, with the OAuth token always set to an empty string. The service is running Werkzeug 0.3.1, which is using Python's wsgiref.simple_server. I ran the WSGI app through wsgiref.validator with no issues. It seems like this should be easy to debug, but when I trace through a good request on the service side, it looks just like the bad request, in the socket._socketobject.close() function, turning delegate methods into dummy methods. When the send or sendto (can't remember which) method is switched off, the FIN or RST is sent, and the client starts processing. "Connection reset by peer" seems to place blame on the service, but I don't trust httplib2 either. Can the client be at fault? ** Further debugging - Looks like server on Linux *
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by Samba and questions about it often appear on the Samba mailing list. We offer an explanation for this phenomenon.CIFS Client ConnectionsMessages like the following often appear in Samba's log files: [2004/12/01 02:41:22, 0] lib/util_sock.c:read_socket_data(384) read_socket_data: recv failure for 4. Error = Connection reset by peer The technical explanation for this error is that Samba has tried to read (or write) from a TCP socket but that socket has been closed by the client at the other end with no notification given to Samba. Normally, as part of gracefully closing down a TCP connection, both the client and the server exchange TCP packets and agree to close both ends of their pipe. No error messages are produced in Samba's log files in this case. If something unexpected occurs at the remote end, such as the client being reset or the remote application crashing, then any open TCP connections may not be closed down properly. A condition like this may produce the connection reset by peer message in the log.A more likely explanation, however, involves the behaviour of modern (Windows 2000 and above) clients when setting up a connection to a Samba server. SMB/CIFS operates on two TCP ports, port 139 and port 445. In the interests of minimising waiting time, Windows opens two connections simultaneously. One to port 139 and another to port 445. When it receives a response to one of these connection requests, the other one is discarded. When Samba tries to read a packet from the discarded connection, it receives the connection reset by peer error, and this is dutifully logged.Samba could probably cope with this situation more gracefully, and not produce an error which resembles some kind of problem, but in reality is just part of the normal operation of the network.