I have 64 bit eclipse and configured with 64bit jvm and have 32 Bit microsfot Office when i try to connect MS Access it givems me error "Exception: [Microsoft][ODBC Driver Manager] The specified DSN contains an architecture mismatch between the Driver and Application " I also defined DSN in c:\windows\sysWOW64\odbcad32.exe in my win 7 64 bit machine and Even tried by both 32 bit and 64 bit jvm but everytime i got the same error