标题: ORA-12522: TNS:listener could not find available [打印本页] 作者: admin 时间: 2016-8-9 10:16 标题: ORA-12522: TNS:listener could not find available ORA-12522:TNS:listener could not find available instance with given INSTANCE_ ROLE Cause: There are not any available and appropriate databaseinstances registered
with the listener, that are part of the service identified by SERVICE_NAMEgiven
in the connect descriptor and that have the specified INSTANCE_ROLE (and
INSTANCE_NAME, if specified). Action: Checkto make sure that the INSTANCE_ROLE specified is correct. Run
"lsnrctl services" to ensure that the instance(s) have registeredwith the listener and
that they are ready to accept connections.