xtrabackup --prepare --export --target-dir=$pwd
xtrabackup: recognized client arguments: --prepare=1 --export=1 --target-dir=
xtrabackup version 8.0.11 based on MySQL server 8.0.18 Linux (x86_64) (revision id: 486c270)
xtrabackup: auto-enabling --innodb-file-per-table due to the --export option
xtrabackup: cd to /media/dmitry/5072C99C72C986E6/Qt/spn_history4/
xtrabackup: This target seems to be already prepared.
Number of pools: 1
xtrabackup: notice: xtrabackup_logfile was already used to '--prepare'.
xtrabackup: using the following InnoDB configuration for recovery:
xtrabackup: innodb_data_home_dir = .
xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend
xtrabackup: innodb_log_group_home_dir = .
xtrabackup: innodb_log_files_in_group = 2
xtrabackup: innodb_log_file_size = 50331648
xtrabackup: [Warning] World-writable config file './backup-my.cnf' is ignored.
xtrabackup: using the following InnoDB configuration for recovery:
xtrabackup: innodb_data_home_dir = .
xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend
xtrabackup: innodb_log_group_home_dir = .
xtrabackup: innodb_log_files_in_group = 2
xtrabackup: innodb_log_file_size = 50331648
xtrabackup: Starting InnoDB instance for recovery.
xtrabackup: Using 104857600 bytes for buffer pool (set by --use-memory parameter)
PUNCH HOLE support available
Mutexes and rw_locks use GCC atomic builtins
Uses event mutexes
GCC builtin __atomic_thread_fence() is used for memory barrier
Compressed tables use zlib 1.2.11
Number of pools: 1
Using CPU crc32 instructions
Directories to scan '.;.;.'
Scanning './'
Completed space ID check of 4 files.
Initializing buffer pool, total size = 128.000000M, instances = 1, chunk size =128.000000M
Completed initialization of buffer pool
If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
Starting to parse redo log at lsn = 1273200175628, whereas checkpoint_lsn = 1273200175628
Log background threads are being started...
Applying a batch of 0 redo log records ...
Apply batch completed!
Using undo tablespace './undo_001'.
Using undo tablespace './undo_002'.
Opened 2 existing undo tablespaces.
GTID recovery trx_no: 33658038
Removed temporary tablespace data file: "ibtmp1"
Creating shared tablespace for temporary tables
Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
File './ibtmp1' size is now 12 MB.
Scanning temp tablespace dir:'./#innodb_temp/'
Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
8.0.18 started; log sequence number 1273200175628
Allocated tablespace ID 3000 for casedb/spn_history#p#p04, old maximum was 0
xtrabackup: export option is specified.
xtrabackup: error: cannot find dictionary record of table casedb/spn_history#p#p04
xtrabackup: Last MySQL binlog file position 48881, file name ./binlog.000006
xtrabackup: starting shutdown with innodb_fast_shutdown = 0
FTS optimize thread exiting.
Starting shutdown...
Log background threads are being closed...
Shutdown completed; log sequence number 1273200175628
Number of pools: 1
xtrabackup: using the following InnoDB configuration for recovery:
xtrabackup: innodb_data_home_dir = .
xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend
xtrabackup: innodb_log_group_home_dir = .
xtrabackup: innodb_log_files_in_group = 2
xtrabackup: innodb_log_file_size = 50331648
PUNCH HOLE support available
Mutexes and rw_locks use GCC atomic builtins
Uses event mutexes
GCC builtin __atomic_thread_fence() is used for memory barrier
Compressed tables use zlib 1.2.11
Number of pools: 1
Using CPU crc32 instructions
Directories to scan '.;.;.'
Scanning './'
Completed space ID check of 4 files.
Initializing buffer pool, total size = 128.000000M, instances = 1, chunk size =128.000000M
Completed initialization of buffer pool
If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
Starting to parse redo log at lsn = 1273200175628, whereas checkpoint_lsn = 1273200175628
Log background threads are being started...
Applying a batch of 0 redo log records ...
Apply batch completed!
Using undo tablespace './undo_001'.
Using undo tablespace './undo_002'.
Opened 2 existing undo tablespaces.
GTID recovery trx_no: 33658038
Removed temporary tablespace data file: "ibtmp1"
Creating shared tablespace for temporary tables
Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
File './ibtmp1' size is now 12 MB.
Scanning temp tablespace dir:'./#innodb_temp/'
Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
8.0.18 started; log sequence number 1273200175628
xtrabackup: starting shutdown with innodb_fast_shutdown = 0
FTS optimize thread exiting.
Starting shutdown...
Log background threads are being closed...
Shutdown completed; log sequence number 1273200175628
200417 14:06:45 completed OK!
2020-04-17T11:06:42.450636Z 0 [ERROR] [MY-010520] [Server] Invalid (old?) table or database name 'spn_history#p#p04'
Why?