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"ORA-12541 TNS no listener", Oracle error message

Question

I'm trying to log in to BrioQuery, or to another application that requires Oracle and am getting the error message:

ORA-12541: TNS:no listener

How can I resolve this?

Context

An ORA-12541 error occurs when the listener for the destination server is down or unreachable. This can be due to the listener not being started or being incorrectly configured, or it can be due to a network connection problem.

Solution

Two likely reasons for the error:

IS&T Contributions

Documentation and information provided by IS&T staff members


Last Modified:

February 22, 2012

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