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Cédric Champeau
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on 26 Mar
Improve variant matching error messages
Error messages prove to be difficult to interpret from a user point of
view. This commit tries to im… Show more
Improve variant matching error messages

Error messages prove to be difficult to interpret from a user point of

view. This commit tries to improve the situation by doing a couple of

things:

1. describing more clearly what the consumer is asking for. This includes,

when possible (currently only in the Java ecosystem), interpreting the

consumer attributes as a human-readable description, instead of a raw

list of attributes.

2. giving more context when possible. In particular, sometimes we fail

with an ambiguous variant error selection, but we only list the remaining

candidates, not listing the ones which were actually discarded during

selection. This proved to be particularly complex to debug from various

users (plugin authors and end-users).

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