check "TNSNAMES" is listed as one of the naming method in NAMES

when we login sql editor using username and password then it
says this error "could not resolve service name" then what
can we do at client side.( here thing is tnsnames.ora file
is ok till yesterday and worked well, but now it giving error.)

Question Posted / kd

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Answer Posted / kd

check "TNSNAMES" is listed as one of the naming method in
NAMES.DIRECTORY_PATH parameter in sqnnet.ora.

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