The database ran strangely stopped during the process.
Execute to "database connected" to stop running without any error messages
program repeatedly check no problem, toss half a day resolved:
It may be that multiple clients operate on the same table, and many simultaneous operations create problems.
Eclipse is connected to the Database Operations accounts table, and PL/SQL and Sqlplus also operate on the table.
After you restart Eclipse, turn off PL/SQL and sqlplus (keep only the eclipse in-Project Connection Operations database table).
Restart the program to execute normally, no longer appear: After performing to the database connection to stop running, and do not error the strange situation.
BUG: After performing to the database connection to stop running, and do not error The strange situation----may be multiple simultaneous access caused by