Hello,
I did an update on my Lager deps and am now experiencing some formatting
issues with error_log:error_report(Report). Here is my code in my
mochiweb loop:
try
...
catch
Type:What ->
Report = ["web request failed",
{method, Req:get(method)},
{path, Path},
{type, Type},
{what, What},
{trace, erlang:get_stacktrace()},
{request, Req}],
error_logger:error_report(Report),
...
end.
And this is what is printed to the console log (truncated for
readability) - the issue is that now, the lists are being printed as lists:
14:52:47.685 [error]
[119,101,98,32,114,101,113,117,101,115,116,32,102,97,105,108,101,100],
method: 'POST', path: [115,101,115,115,105,111,110], type: error, what:
function_clause, trace: [{'mochijson2','-json_encode_proplist/2-fun-0-',
<snip>
It used to print correctly.
I did a little more investigating and discovered that if you call
error_report with just a string, you get the correct formatting:
1> error_logger:error_report(["Hello World"]).
ok
15:09:09.640 [error] Hello World
Now, if you add in a term:
1> error_logger:error_report(["Hello world!",{method, foo}]).
ok
15:12:15.297 [error] [72,101,108,108,111,32,119,111,114,108,100,33],
method: foo
The string is now a literal list and not human readable.
Now, if I use the native error_logger without Lager:
2> error_logger:error_report(["Hello world"]).
=ERROR REPORT==== 5-Nov-2011::15:14:35 ===
Hello world
ok
3> error_logger:error_report(["Hello world", {method, foo}]).
ok
4>
=ERROR REPORT==== 5-Nov-2011::15:14:44 ===
"Hello world"
method: foo
Which does the correct thing.
Cheers,
Bryan
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