DB error when reading head state: SszDecodeError #2444
Description
Description
Lighthouse fails to start the beacon node because of problem reading DB head state.
Version
v1.4.0-3b600ac
Present Behaviour
Beacon node fails to start because a problem while reading the DB head state. In this case: SszDecodeError(OffsetOutOfBounds(4083498482)). Lighthouse does not try to solve this automatically or present information on how to solve it manually.
Jul 11 23:07:58.905 INFO Starting beacon chain method: resume, service: beacon
Jul 11 23:08:10.774 INFO Block production enabled method: json rpc via http, endpoints: ["http://127.0.0.1:8545/"]
Jul 11 23:08:11.267 CRIT Failed to start beacon node reason: Failed to build beacon chain: DB error when reading head state: SszDecodeError(OffsetOutOfBounds(4083498482))
Jul 11 23:08:11.267 INFO Internal shutdown received reason: Failed to start beacon node
Jul 11 23:08:11.267 INFO Shutting down.. reason: Failure("Failed to start beacon node")
Expected Behaviour
The application should try to solve this automatically. If it is unsolvable and the DB should be purged, it should be clearly expressed. It should not leave the user in the dark as to wether they should delete all data and start over or not.