Today appeared the following error in the file alert.log database;
Errors in file $1$DFB193:[TYCON.][USER]JUPITER1_TYCON_FG_ORACLE_2566.TRC;:
ORA-00600: internal error code, arguments: , , [0x7FCDED2B160], , , , , 
ORA-01001: invalid cursor
The problem is a bug (8493715) that occurs when JDBC Thin Driver is used. It is fixed in 10.2.0.5. Besides there is a Oneoff (5596276). There isn’t possible workaround.
HTH – Antonio NAVARRO