Upgrade > Upgrade the applications from a version earlier than 9.60 > Appendix D: Troubleshooting > Troubleshooting: The client session was terminated during an upgrade

Troubleshooting: The client session was terminated during an upgrade

Symptoms

The upgrade failed with "Session no longer valid" error when running in foreground mode. This issue is most likely to occur when you are creating or applying a custom upgrade.

The client session was terminated during an upgrade. The Service Manager client may temporarily lose heartbeat when the Upgrade Utility is running. If the server cannot detect the heartbeat for a certain amount of time, it disconnects the client session.

Resolution

To resolve this issue, restore the database to the latest pre-upgrade state, add sessiontimeout:1200 and heartbeatinterval:120 to the sm.ini file, and then restart the upgrade. See also Step 3: Perform preparatory tasks.

Note We recommend that you set the timeout period to a length of time that is long enough for an upgrade phase to complete.