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how to display complete system error message #538

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luobin998877 opened this issue Feb 6, 2021 · 1 comment

luobin998877 commented Feb 6, 2021

have set {lager_truncation_size, 409600}
but nothing changed

Member

jadeallenx commented Feb 6, 2021 •

edited

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Unfortunately, it is a known issue that lager_truncation_size does not universally apply to all messages - for example, the value is hardcoded in https://github.com/erlang-lager/lager/blob/master/src/error_logger_lager_h.erl#L592 - you have two options here.

You can increase the hard coded limit in https://github.com/erlang-lager/lager/blob/master/include/lager.hrl#L18, or
You can patch lager such that the error logger handler respects lager_truncation_size

In either case you're going to have to recompile the patched lager and incorporate it into your application. Sorry.

(see also #211)

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