FW: gen_tcp:send problem

Chandrashekhar Mullaparthi <>
Fri Jun 15 12:06:36 CEST 2001


I'm sorry if this arrives twice - but my original message seems to have been
lost.

-----Original Message-----
From: Chandrashekhar Mullaparthi 
Sent: 14 June 2001 15:09
To: 'Erlang mailing list'
Subject: gen_tcp:send problem



Quite often, under high load, gen_tcp:send returns the following
error. Has anyone seen this before?? what is causing this? From the
server point of view, the connection still seems to be up - but the client
side 
can't send anymore data using this socket.

When in the process of sending a million messages, this occured about
16 times. The socket was opened as gen_tcp:open(Host,Port,[list]).

{error, {badarg, {erlang,
                                    port_command,
                                    [#Port<0.37>,
                                     [84,
                                      101,
                                      108,
                                      80,
                                      0,
                                      32,
                                      0,
                                      142,
                                      0,
                                      1,
                                      0,
                                      0,
                                      255,
                                      255,
                                      255,
                                      255,
                                      255,
                                      255,
                                      255,
                                      255,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      5,
                                      8,
                                      256,
                                      0,
                                      121,
                                      31,
                                      0,
                                      77,
                                      0,
                                      10,
                                      0,
                                      7,
                                      0,
                                      9,
                                      0,
                                      5,
                                      0,
                                      6,
                                      0,
                                      4,
                                      0,
                                      9,
                                      0,
                                      5,
                                      0,
                                      8,
                                      0,
                                      8,
                                      0,
                                      7,
                                      0,
                                      20,
                                      0,
                                      0,
                                      0,
                                      7,
                                      0,
                                      7,
                                      0,
                                      4,
                                      0,
                                      8,
                                      0,
                                      7,
                                      0,
                                      6,
                                      0,
                                      7,
                                      0,
                                      1,
                                      0,
                                      0,
                                      0,
                                      8,
                                      0,
                                      255,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      0,
                                      14,
                                      0,
                                      50,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      49,
                                      0,
                                      48,
                                      0,
                                      54,
                                      0,
                                      49,
                                      0,
                                      51,
                                      0,
                                      48,
                                      0,
                                      57,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      1,
                                      0,
                                      1,
                                      0,
                                      15,
                                      0,
                                      50,
                                      0,
                                      51,
                                      0,
                                      52,
                                      0,
                                      70,
                                      0,
                                      51,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      48,
                                      0,
                                      49,
                                      0,
                                      49,
                                      0,
                                      50,
                                      0,
                                      51,
                                      0,
                                      52,
                                      0,
                                      1,
                                      0,
                                      0,
                                      217,
                                      29]]},
                                {prim_inet,send,2},
                                {tcp_client_server,connected,3},
                                {gen_fsm,handle_msg,7},
                                {proc_lib,init_p,5}}}

tia,
Chandru



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