[pkg/stanza] Log the entry in HandleEntryError
when the transformer on_error mode is send_quiet or drop_quiet
#36899
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Description
The
HandleEntryError
is used in many places for handling parsing errors. Sometimes the error itself is not very helpful, e.g. the syslog parser return errors like "parsing error [col 66]", which is quite hard to understand without seeing the actual entry.This PR logs the entry when the error mode is
send_quiet
ordrop_quiet
in debug level. It shouldn't add too much noise and could be very helpful in debugging.