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Troubleshooting Client/Server problems
2-6 Oracle TimesTen In-Memory Database Troubleshooting Procedures Guide
Increase the number of available file descriptors
Each process connected to a TimesTen data store keeps at least one operating system
file descriptor open. Additional file descriptors may be opened for each connection if
checkpoints are issued, and transactions are committed or rolled back. If you receive
an error that all file descriptors are in use when attempting to connect to a data store,
then increase the allowable number of file descriptors. See your operating system
documentation for limits on file descriptors and information about changing the
number of file descriptors.
Troubleshooting Client/Server problems
This section includes the following topics:
■ Cannot connect to the TimesTen Server
■ TimesTen Server failed
■ Cannot find Server DSN
■ TimesTen Server failed to load DRIVER
■ Application times out when accessing TimesTen Server
■ TimesTen Client loses connection with TimesTen Server
■ Failed to attach to shared memory segment for IPC
■ Increasing the maximum server connections on Windows XP
■ Thread stack overflow when using multiple client connections
■ Out of space when DSN specifies new data store
■ Also consider the topics described in "Application unable to connect to data store
in direct mode" on page 2-3.
Cannot connect to the TimesTen Server
You have not correctly identified the system where the TimesTen Server is running.
On a Windows client machine, select the TimesTen Server in the TimesTen Data
Source Setup dialog that is displayed as part of the ODBC Data Source Administrator.
To verify the TimesTen Server:
1. On the Windows Desktop, choose Start > Settings > Control Panel.
2. Double click the ODBC icon. This opens the ODBC Data Source -Administrator.
3. Click the System DSN tab. This displays the System Data Sources list.
4. Select the TimesTen Client data source. This opens the TimesTen Client DSN
Setup dialog.
5. Click Servers. This opens the TimesTen Logical Server List.
6. Select the TimesTen Server from the list. This opens the TimesTen Logical Server
Name Setup dialog.
7. Verify that the values for the Network Address and Port Number are correct. If
necessary, change the values.