improve oracle connection closed detection

We should consider the following oracle error code as a connection closed condition

• ORA-28 your session has been killed.
• ORA-1033 Oracle initialization or shudown in progress.
• ORA-1034 Oracle not available
• ORA-1041 internal error. hostdef extension doesn't exist
• ORA-1089 immediate shutdown in progress - no operations are permitted
• ORA-1090 shutdown in progress - connection is not permitted
• ORA-3113 end-of-file on communication channel
• ORA-3114 not connected to ORACLE
• ORA-12571 TNS:packet writer failure
• ORA-17002 IO Exception
• ORA-17008 Closed Connection
• ORA-7410 No more data to read from socket
• ORA-24768 commit protocol error occured in the server

We may also have a better logging of XA exception by printing in any case the

• oracle XA error code and message
• oracle error
• oracle SQL error