Listen for no service exception handling

Friends feedback problems encountered , As follows ：

oracle User check monitoring status , Show no service .grid The user checked the monitoring status instance and the display was normal , But the listening port is 1539.

see listener.ora、tnsnames.ora file , The port numbers are 1539, and local_listener The value of is LISTENER_CDB1

Treatment scheme ：

Here is to delete and rebuild monitoring .grid Monitor reconstructed under the user , The following exceptions were encountered in the process

The solution of the following picture is to find out that the port is 1521 The process of , Put it kill.

After the monitor is rebuilt , take listener.ora、tnsnames.ora The port numbers in the file are all modified to 1521, And execute the following , The listening state returns to normal .