Electrum-Server not starting: blocked with log entry: blockchain reorg #4
Description
After normal working the Electrum-Server stopped working with:
[04/04/2018-17:00:23] Reorg limit is 100 blocks.
[04/04/2018-17:00:23] Blockchain height 2007406
[04/04/2018-17:00:23] UTXO tree root hash: a9ffe3bc1b822be0c88a53cc6922a3cde4fb1f40898aa0ecf329146464ddaa76
[04/04/2018-17:00:23] Coins in database: 14792711798999996
[04/04/2018-17:00:23] TCP server started on 127.0.0.1:50001
[04/04/2018-17:00:23] SSL server started on 127.0.0.1:50002
[04/04/2018-17:00:26] blockchain reorg 2007406 5140ffae95cf7e982ef3af2050dd1132f9cc8450f2a717292818eff9a27dfcd5 f498d1b0b984422284bf94e051eff573939a52d86182d17b65ba496afec51ae3
^^
Server stopped working here
After the next 'Electrum-Server start':
[05/04/2018-22:23:43] Starting Electrum server on 127.0.0.1
[05/04/2018-22:23:43] Database version 3.
[05/04/2018-22:23:43] Pruning limit for spent outputs is 100.
[05/04/2018-22:23:43] Reorg limit is 100 blocks.
[05/04/2018-22:23:43] Blockchain height 2007406
[05/04/2018-22:23:43] UTXO tree root hash: a9ffe3bc1b822be0c88a53cc6922a3cde4fb1f40898aa0ecf329146464ddaa76
[05/04/2018-22:23:43] Coins in database: 14792711798999996
[05/04/2018-22:23:43] TCP server started on 127.0.0.1:50001
[05/04/2018-22:23:43] SSL server started on 127.0.0.1:50002
[05/04/2018-22:23:49] blockchain reorg 2007406 5140ffae95cf7e982ef3af2050dd1132f9cc8450f2a717292818eff9a27dfcd5 f498d1b0b984422284bf94e051eff573939a52d86182d17b65ba496afec51ae3
^^
at this point nothing is happening, the Electrum-Server is blocked again.
This happened a few dozen times during the last months.
Only solution as far as I know: Restore the electrumDB from a previous copy taken when Electrum-Server not running (offline backup).