An application intermittently fails with generic ODBC error. The client application is using ODBC to connect to SQL cluster. Enabling ODBC tracing shows this error:
StorageOnlineOp 46ec-44a8 ENTER SQLDriverConnectW HDBC 0x012E2FD8 HWND 0x00000000 WCHAR * 0x6C228B34 [ -3] "******\ 0" SWORD -3 WCHAR * 0x6C228B34 SWORD -3 SWORD * 0x00000000 UWORD 0 <SQL_DRIVER_NOPROMPT> StorageOnlineOp 46ec-44a8 EXIT SQLDriverConnectW with return code -1 (SQL_ERROR) HDBC 0x012E2FD8 HWND 0x00000000 WCHAR * 0x6C228B34 [ -3] "******\ 0" SWORD -3 WCHAR * 0x6C228B34 SWORD -3 SWORD * 0x00000000 UWORD 0 <SQL_DRIVER_NOPROMPT> DIAG [IM005] [Microsoft][ODBC Driver Manager] Driver's SQLAllocHandle on SQL_HANDLE_DBC failed (0)
According to Microsoft the error is explained:
(DM) During SQLConnect, the Driver Manager called the driver’s SQLAllocHandle function with a HandleType of SQL_HANDLE_DBC and the driver returned an error.
Any recommended steps for further narrowing down the problem?
According to ODBC logs version information is:
03.80.0000 = SQLGetInfoW (SQL_ODBC_VER) 03.52 = SQLGetInfoW (SQL_DRIVER_ODBC_VER)
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