[erlang-questions] R21 logger mangles map messages

Siri Hansen erlangsiri@REDACTED
Thu Aug 9 10:31:32 CEST 2018

It is probably the single_line property on the formatter that causes this.
If single_line is true (default), then the formatted string is converted to
a single line by replacing all newlines with ", " (comma, space). Could you
please try to set single_line to false and let me see the output? The
property can be set as follows (if the printout comes from the default



Den ons. 8. aug. 2018 kl. 23:01 skrev Mark Geib <mark.geib.44@REDACTED>:

> I am migrating an application to R21 to try out the new logger. When I log
> a message with a map, using “~p”, it appears like:
> #{pmt_pid =>, 33, program_number =>, 5837} <-----(notice the extra commas
> after each =>)
> compared to io:format output of #{pmt_pid => 33, program_number => 5837}
> In both cases my formatting is “~p”.
> Has anyone seen this before.??
> Thanks,
> Mark.
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