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From John <john.logs...@netdev.co.uk>
Subject System error after 1000 hits on same URI
Date Sun, 12 Sep 2010 16:43:43 GMT
Hi

I have a consistent problem every time I try to do a very simple load test on the same URI.
Basically I hit it every few milliseconds and after approx 1000 hits I get this error:

=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
{mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: ./lib.beam. Function: get_file.
Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: ./lib.beam. Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/kernel-2.13.5/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 

The entire stack trace is at the end of this email.

I am running 1.0.0.8 on OSX 10.6.4 on a little macbook air! The error might be related to
my test client which is an experimental NIO Client Connector for an Open Source product. I
suspect it's doing something naughty with connections and exhausting the filehandles on my
baby-mac but in any case it would be good to get some clarification on that. Can anyone help?


Regards

John


Entire Stack Trace:


1> [info] [<0.1242.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1243.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1244.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1245.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1246.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1247.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [info] [<0.1248.0>] 127.0.0.1 - - 'GET' /uta1/d6d81b828f20b36ee18190b83000233e
200
1> [error] [<0.1249.0>] {error_report,<0.35.0>,
              {<0.1249.0>,std_error,
               [{application,mochiweb},
                "Accept failed error","{error,enfile}"]}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
    application: mochiweb
    "Accept failed error"
    "{error,enfile}"
1> [error] [<0.1249.0>] {error_report,<0.35.0>,
    {<0.1249.0>,crash_report,
     [[{initial_call,{mochiweb_socket_server,acceptor_loop,['Argument__1']}},
       {pid,<0.1249.0>},
       {registered_name,[]},
       {error_info,
           {exit,
               {error,accept_failed},
               [{mochiweb_socket_server,acceptor_loop,1},
                {proc_lib,init_p_do_apply,3}]}},
       {ancestors,
           [couch_httpd,couch_secondary_services,couch_server_sup,<0.36.0>]},
       {messages,[]},
       {links,[<0.105.0>]},
       {dictionary,[]},
       {trap_exit,false},
       {status,running},
       {heap_size,233},
       {stack_size,24},
       {reductions,199}],
      []]}}
1> [error] [<0.105.0>] {error_report,<0.35.0>,
    {<0.105.0>,std_error,
     {mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
{mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: ./lib.beam. Function: get_file.
Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: ./lib.beam. Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/kernel-2.13.5/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/kernel-2.13.5/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/stdlib-1.16.5/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/stdlib-1.16.5/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/mochiweb-r113/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/mochiweb-r113/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/ibrowse-1.5.2/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/ibrowse-1.5.2/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/etap/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/etap/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/erlang-oauth/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/erlang-oauth/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/couch-1.0.0/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: couchdb_1.0.0/lib/couchdb/erlang/lib/couch-1.0.0/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/xmerl-1.2.4/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/xmerl-1.2.4/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/ssl-3.10.8/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/ssl-3.10.8/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/sasl-2.1.9/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/sasl-2.1.9/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/inets-5.3/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/inets-5.3/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/erl_docgen-0.2/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/erl_docgen-0.2/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/crypto-1.6.4/ebin/lib.beam.
Function: get_file. Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: /Applications/CouchDBX.app/Contents/Resources/couchdbx-core/erlang_R13B04/lib/erlang/lib/crypto-1.6.4/ebin/lib.beam.
Function: get_file. Process: code_server.
1> [error] [<0.20.0>] {error_report,<0.9.0>,
              {<0.20.0>,std_error,
               "File operation error: system_limit. Target: lib.beam. Function: get_file.
Process: code_server."}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
File operation error: system_limit. Target: lib.beam. Function: get_file. Process: code_server.
1> [error] [<0.6.0>] ** gen_event handler sasl_report_tty_h crashed.
** Was installed in error_logger
** Last event was: {error_report,<0.35.0>,
                       {<0.1249.0>,crash_report,
                        [[{initial_call,
                              {mochiweb_socket_server,acceptor_loop,
                                  ['Argument__1']}},
                          {pid,<0.1249.0>},
                          {registered_name,[]},
                          {error_info,
                              {exit,
                                  {error,accept_failed},
                                  [{mochiweb_socket_server,acceptor_loop,1},
                                   {proc_lib,init_p_do_apply,3}]}},
                          {ancestors,
                              [couch_httpd,couch_secondary_services,
                               couch_server_sup,<0.36.0>]},
                          {messages,[]},
                          {links,[<0.105.0>]},
                          {dictionary,[]},
                          {trap_exit,false},
                          {status,running},
                          {heap_size,233},
                          {stack_size,24},
                          {reductions,199}],
                         []]}}
** When handler state == error
** Reason == {'module could not be loaded',
                 [{lib,format_exception,
                      [5,exit,
                       {error,accept_failed},
                       [{mochiweb_socket_server,acceptor_loop,1},
                        {proc_lib,init_p_do_apply,3}],
                       #Fun<proc_lib.0.73600383>,#Fun<proc_lib.1.130404962>]},
                  {proc_lib,format_exception,3},
                  {proc_lib,format_rep,1},
                  {proc_lib,format_rep,1},
                  {proc_lib,format_rep,1},
                  {proc_lib,format,1},
                  {sasl_report,write_report2,5},
                  {sasl_report_tty_h,handle_event,2}]}

1> 
=ERROR REPORT==== 12-Sep-2010::17:25:01 ===
** gen_event handler sasl_report_tty_h crashed.
** Was installed in error_logger
** Last event was: {error_report,<0.35.0>,
                       {<0.1249.0>,crash_report,
                        [[{initial_call,
                              {mochiweb_socket_server,acceptor_loop,
                                  ['Argument__1']}},
                          {pid,<0.1249.0>},
                          {registered_name,[]},
                          {error_info,
                              {exit,
                                  {error,accept_failed},
                                  [{mochiweb_socket_server,acceptor_loop,1},
                                   {proc_lib,init_p_do_apply,3}]}},
                          {ancestors,
                              [couch_httpd,couch_secondary_services,
                               couch_server_sup,<0.36.0>]},
                          {messages,[]},
                          {links,[<0.105.0>]},
                          {dictionary,[]},
                          {trap_exit,false},
                          {status,running},
                          {heap_size,233},
                          {stack_size,24},
                          {reductions,199}],
                         []]}}
** When handler state == error
** Reason == {'module could not be loaded',
                 [{lib,format_exception,
                      [5,exit,
                       {error,accept_failed},
                       [{mochiweb_socket_server,acceptor_loop,1},
                        {proc_lib,init_p_do_apply,3}],
                       #Fun<proc_lib.0.73600383>,#Fun<proc_lib.1.130404962>]},
                  {proc_lib,format_exception,3},
                  {proc_lib,format_rep,1},
                  {proc_lib,format_rep,1},
                  {proc_lib,format_rep,1},
                  {proc_lib,format,1},
                  {sasl_report,write_report2,5},
                  {sasl_report_tty_h,handle_event,2}]}
1> [error] [<0.1250.0>] {error_report,<0.35.0>,
              {<0.1250.0>,std_error,
               [{application,mochiweb},
                "Accept failed error","{error,enfile}"]}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:03 ===
    application: mochiweb
    "Accept failed error"
    "{error,enfile}"
1> [error] [<0.1250.0>] {error_report,<0.35.0>,
    {<0.1250.0>,crash_report,
     [[{initial_call,{mochiweb_socket_server,acceptor_loop,['Argument__1']}},
       {pid,<0.1250.0>},
       {registered_name,[]},
       {error_info,
           {exit,
               {error,accept_failed},
               [{mochiweb_socket_server,acceptor_loop,1},
                {proc_lib,init_p_do_apply,3}]}},
       {ancestors,
           [couch_httpd,couch_secondary_services,couch_server_sup,<0.36.0>]},
       {messages,[]},
       {links,[<0.105.0>]},
       {dictionary,[]},
       {trap_exit,false},
       {status,running},
       {heap_size,233},
       {stack_size,24},
       {reductions,199}],
      []]}}
1> [error] [<0.105.0>] {error_report,<0.35.0>,
    {<0.105.0>,std_error,
     {mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:03 ===
{mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}
1> [error] [<0.1253.0>] {error_report,<0.35.0>,
              {<0.1253.0>,std_error,
               [{application,mochiweb},
                "Accept failed error","{error,enfile}"]}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:05 ===
    application: mochiweb
    "Accept failed error"
    "{error,enfile}"
1> [error] [<0.1253.0>] {error_report,<0.35.0>,
    {<0.1253.0>,crash_report,
     [[{initial_call,{mochiweb_socket_server,acceptor_loop,['Argument__1']}},
       {pid,<0.1253.0>},
       {registered_name,[]},
       {error_info,
           {exit,
               {error,accept_failed},
               [{mochiweb_socket_server,acceptor_loop,1},
                {proc_lib,init_p_do_apply,3}]}},
       {ancestors,
           [couch_httpd,couch_secondary_services,couch_server_sup,<0.36.0>]},
       {messages,[]},
       {links,[<0.105.0>]},
       {dictionary,[]},
       {trap_exit,false},
       {status,running},
       {heap_size,233},
       {stack_size,24},
       {reductions,199}],
      []]}}
1> [error] [<0.105.0>] {error_report,<0.35.0>,
    {<0.105.0>,std_error,
     {mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}}}
1> 
=ERROR REPORT==== 12-Sep-2010::17:25:05 ===
{mochiweb_socket_server,225,{acceptor_error,{error,accept_failed}}}
1> 
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