KB-1731 Engines fail to start-up after migration with "EngineReplayException" observed in service_manager.log

Symptoms

Engines fail to start up during this step of the upgrade with the following error observed in the <APPIAN_HOME>\logs\service_manager.log:

[KomodoEventBus-60] ERROR com.appian.komodo.engine.status.ReplayStateProvider - Error replaying transactions for analytics00: TransactionReplayFailedEvent{createdInstant=engineId=analytics00, startTransactionId=Optional[0], transactionsReplayedCount=***, cause=com.appian.komodo.engine.EngineReplayException: Replaying request with transaction id *** did not result in an update}, caused by: com.appian.komodo.engine.EngineReplayException: Replaying request with transaction id *** did not result in an update

Cause

Engines were improperly shut down without being checkpointed before they were copied over to the new environment.

Action

Shut down Appian engines as documented in the Update Guide before migrating the engine KDB files.

Affected Versions

This article applies to Appian 17.3 and later.

Last Reviewed: September 2018

Related
Recommended