JAVA.SQL.SQLEXCEPTION: GOT MINUS ONE FROM A READ CALL IN APPLICATION.LOG

ERROR

Check the alerts.log file you will get the below error:

ORA-00020: maximum number of processes (200) exceeded
ORA-20 errors will not be written to the alert log for
the next minute. Please look at trace files to see all
the ORA-20 errors.

SOLUTION

Increase the processes & Session in DataBase

alter system set processes=400 scope=spfile;

Now, Bounce the database to rectify the error.