[v0.16.0rc1] blockchain data unusable after restart

[Gandalf-the-Grey]

After stopping steemd (by Ctrl+C) unable to start it again using same blockchain data
without --replay:

3388385ms th_a       block_log.cpp:114             open                 ] Log is nonempty
3388386ms th_a       database.cpp:127              open                 ] 13 NSt8ios_base7failureB5cxx11E: basic_ios::clear: iostream error
rethrow basic_ios::clear: iostream error: 
    {"data_dir":"/home/steem/witness_node_data_dir/blockchain","what":"basic_ios::clear: iostream error"}
    th_a  database.cpp:127 open
3388386ms th_a       database.cpp:127              open                 ] data_dir: /home/steem/witness_node_data_dir/blockchain 
3388386ms th_a       application.cpp:337           startup              ] 13 NSt8ios_base7failureB5cxx11E: basic_ios::clear: iostream error
rethrow basic_ios::clear: iostream error: 
    {"data_dir":"/home/steem/witness_node_data_dir/blockchain","what":"basic_ios::clear: iostream error"}
    th_a  database.cpp:127 open
3388386ms th_a       application.cpp:900           startup              ] 13 NSt8ios_base7failureB5cxx11E: basic_ios::clear: iostream error
rethrow basic_ios::clear: iostream error: 
    {"data_dir":"/home/steem/witness_node_data_dir/blockchain","what":"basic_ios::clear: iostream error"}
    th_a  database.cpp:127 open
rethrow
    {}
    th_a  application.cpp:337 startup
3388386ms th_a       main.cpp:194                  main                 ] Exiting with error:
13 NSt8ios_base7failureB5cxx11E: basic_ios::clear: iostream error
rethrow basic_ios::clear: iostream error: 
    {"data_dir":"/home/steem/witness_node_data_dir/blockchain","what":"basic_ios::clear: iostream error"}
    th_a  database.cpp:127 open
rethrow
    {}
    th_a  application.cpp:337 startup

with --replay

3196168ms th_a       database.cpp:134              reindex              ] Reindexing Blockchain
3198409ms th_a       block_log.cpp:114             open                 ] Log is nonempty
3198409ms th_a       block_log.cpp:123             open                 ] Index is nonempty
3198409ms th_a       block_log.cpp:134             open                 ] block_pos < index_pos, close and reopen index_stream
3198446ms th_a       database.cpp:142              reindex              ] Replaying blocks...
3198446ms th_a       database.cpp:3004             _apply_block         ] 13 N5boost16exception_detail10clone_implINS0_19error_info_injectorISt12out_of_rangeEEEE: unknown key
unknown key:
    {"name":"","what":"unknown key"}
    th_a  database.cpp:300 get_witness
3198446ms th_a       database.cpp:3004             _apply_block         ] next_block.block_num(): 1
3198446ms th_a       application.cpp:337           startup              ] 13 N5boost16exception_detail10clone_implINS0_19error_info_injectorISt12out_of_rangeEEEE: unknown key
unknown key:
    {"name":"","what":"unknown key"}
    th_a  database.cpp:300 get_witness
rethrow
    {"next_block.block_num()":1}
    th_a  database.cpp:3004 _apply_block

    {"next_block":{"previous":"0000000000000000000000000000000000000000","timestamp":"2022-05-07T08:24:24","witness":"","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","transactions":[]}}
    th_a  database.cpp:2889 apply_block

    {"data_dir":"/home/steem/witness_node_data_dir/blockchain"}
    th_a  database.cpp:180 reindex
3198446ms th_a       application.cpp:900           startup              ] 13 N5boost16exception_detail10clone_implINS0_19error_info_injectorISt12out_of_rangeEEEE: unknown key
unknown key:
    {"name":"","what":"unknown key"}
    th_a  database.cpp:300 get_witness
rethrow
    {"next_block.block_num()":1}
    th_a  database.cpp:3004 _apply_block

    {"next_block":{"previous":"0000000000000000000000000000000000000000","timestamp":"2022-05-07T08:24:24","witness":"","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","transactions":[]}}
    th_a  database.cpp:2889 apply_block

    {"data_dir":"/home/steem/witness_node_data_dir/blockchain"}
    th_a  database.cpp:180 reindex
rethrow
    {}
    th_a  application.cpp:337 startup
3198446ms th_a       main.cpp:194                  main                 ] Exiting with error:
13 N5boost16exception_detail10clone_implINS0_19error_info_injectorISt12out_of_rangeEEEE: unknown key
unknown key:
    {"name":"","what":"unknown key"}
    th_a  database.cpp:300 get_witness
rethrow
    {"next_block.block_num()":1}
    th_a  database.cpp:3004 _apply_block

    {"next_block":{"previous":"0000000000000000000000000000000000000000","timestamp":"2022-05-07T08:24:24","witness":"","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","transactions":[]}}
    th_a  database.cpp:2889 apply_block

    {"data_dir":"/home/steem/witness_node_data_dir/blockchain"}
    th_a  database.cpp:180 reindex
rethrow
    {}
    th_a  application.cpp:337 startup

[mvandeberg]

merged