How to fix the Oracle error ORA-30678: too many open connections?

In this post, you’ll learn more about the Oracle ErrorORA-30678: too many open connections with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30678: too many open connections

Reason for the Error ORA-30678: too many open connections

An attempt to open a connection failed because too many are already open by this session. The number of allowed connections varies as some may be in use through other components which share the same pool of allowed connections.

How to fix the Error ORA-30678: too many open connections ?

You can fix this error in Oracle by following the below steps

Retry after closing some other connection. The number of connections supported is currently not adjustable.