Application Unable to Connect to Database in Direct Mode

This section describes what to check if your application cannot connect to a database in direct mode.

Possible cause See...

There is a mismatch between the release of TimesTen and database.

Upgrading Your Database for information.

User does not have CREATE SESSION privilege.

Privileges to Connect to Database for information.

File permissions are incorrect.

Check File System Permissions to Access Database for information.

TimesTen daemon or Data Manager service is not running.

Check the TimesTen Daemon Is Running for information.

Incompatible connection attributes or incorrect path name for database set in the DSN.

Check DSN Definition for information.

There is no available shared memory segment or maximum size of shared memory segment is too small.

Manage Semaphores and Shared Memory Segments for information.

There is not enough swap space.

Check Available Swap Space (Virtual Memory) for information.

Number of file descriptors is inadequate.

Increase the Number of Available File Descriptors for information.

There are other possible causes.

Using the Logs Generated by the TimesTen Daemon for information.