Dave Cottlehuber created COUCHDB-1915:
-----------------------------------------
Summary: stray unicode atom causes error_log to die
Key: COUCHDB-1915
URL: https://issues.apache.org/jira/browse/COUCHDB-1915
Project: CouchDB
Issue Type: Bug
Components: Logging
Reporter: Nathan Vander Wilt
Somehow error_log event handler gets sent data that causes an additional
`unicode` atom from unicode:characters_to_binary, which is passed to
io:put_char/3 which doesn't exist and ...boom.
{quote}
[info] [<0.31993.2>] 144.76.78.196 - - GET
/public/_design/glob/_list/posts/by_date?descending=true&reduce=false&limit=5&include_docs=true&format=atom
200
[info] [<0.31789.2>] 66.249.66.216 - - GET
/public/_design/glob/_list/posts/by_path?key=%5B%222012%22%2C%2203%22%2C%22metakaolin_geojson_editor%22%5D&include_docs=true&path1=2012&path2=03&path3=metakaolin_geojson_editor
200
=ERROR REPORT==== 31-Oct-2013::19:48:48 ===
** gen_event handler couch_log crashed.
** Was installed in error_logger
** Last event was: {couch_info,<<"[info] [<0.31789.2>] 66.249.66.216 - - GET
/public/_design/glob/_list/posts/by_path?key=%5B%222012%22%2C%2203%22%2C%22metakaolin_geojson_editor%22%5D&include_docs=true&path1=2012&path2=03&path3=metakaolin_geojson_editor
200\n">>,
<<"[Thu, 31 Oct 2013 19:48:48 GMT] [info]
[<0.31789.2>] 66.249.66.216 - - GET
/public/_design/glob/_list/posts/by_path?key=%5B%222012%22%2C%2203%22%2C%22metakaolin_geojson_editor%22%5D&include_docs=true&path1=2012&path2=03&path3=metakaolin_geojson_editor
200\n">>}
** When handler state == {state,<0.93.0>,2,true}
** Reason == {badarg,
[{io,put_chars,
[<0.93.0>,unicode,
<<"[Thu, 31 Oct 2013 19:48:48 GMT] [info] [<0.31789.2>]
66.249.66.216 - - GET
/public/_design/glob/_list/posts/by_path?key=%5B%222012%22%2C%2203%22%2C%22metakaolin_geojson_editor%22%5D&include_docs=true&path1=2012&path2=03&path3=metakaolin_geojson_editor
200\n">>],
[]},
{couch_log,log,3,
[{file,
"/home/ubuntu/bc2/dependencies/couchdb/src/couchdb/couch_log.erl"},
{line,208}]},
{couch_log,handle_event,2,
[{file,
"/home/ubuntu/bc2/dependencies/couchdb/src/couchdb/couch_log.erl"},
{line,173}]},
{gen_event,server_update,4,
[{file,"gen_event.erl"},{line,522}]},
{gen_event,server_notify,4,
[{file,"gen_event.erl"},{line,504}]},
{gen_event,handle_msg,5,[{file,"gen_event.erl"},{line,269}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]}
=ERROR REPORT==== 31-Oct-2013::19:48:48 ===
** Generic server couch_log terminating
** Last message in was {gen_event_EXIT,couch_log,
{'EXIT',
{badarg,
[{io,put_chars,
[<0.93.0>,unicode,
<<"[Thu, 31 Oct 2013 19:48:48 GMT] [info]
[<0.31789.2>] 66.249.66.216 - - GET
/public/_design/glob/_list/posts/by_path?key=%5B%222012%22%2C%2203%22%2C%22metakaolin_geojson_editor%22%5D&include_docs=true&path1=2012&path2=03&path3=metakaolin_geojson_editor
200\n">>],
[]},
{couch_log,log,3,
[{file,
"/home/ubuntu/bc2/dependencies/couchdb/src/couchdb/couch_log.erl"},
{line,208}]},
{couch_log,handle_event,2,
[{file,
"/home/ubuntu/bc2/dependencies/couchdb/src/couchdb/couch_log.erl"},
{line,173}]},
{gen_event,ser
{quote}
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