How to fix the Oracle error ORA-24401: cannot open further connections?

In this post, you’ll learn more about the Oracle ErrorORA-24401: cannot open further connections with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24401: cannot open further connections

Reason for the Error ORA-24401: cannot open further connections

Sufficient number of connections are not present in the pool to execute the call. No new connections can be opened as the connMax parameter supplied in OCIConnectionPoolCreate has been reached.

How to fix the Error ORA-24401: cannot open further connections ?

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

Call OCIConnectionPoolCreate in OCI_CPOOL_REINITIALIZE mode and increase the value of the connMax parameter.