corrupted status file about backup HOT 3 CLOSED

[root@dev mariadb]# twindb-backup status
Traceback (most recent call last):
  File "/usr/bin/twindb-backup", line 9, in <module>
    load_entry_point('twindb-backup==2.15.3', 'console_scripts', 'twindb-backup')()
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 722, in _call_
    return self.main(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/decorators.py", line 64, in new_func
    return ctx.invoke(f, obj, args[1:]
, *kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/cli.py", line 128, in status
    print(json.dumps(dst.status(), indent=4, sort_keys=True))
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/destination/base_destination.py", line 120, in status
    return self._read_status()
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/destination/ssh.py", line 230, in _read_status
    return json.loads(base64.b64decode(stdout.read()))
  File "/opt/twindb-backup/embedded/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/opt/twindb-backup/embedded/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/opt/twindb-backup/embedded/lib/python2.7/json/decoder.py", line 382, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Unterminated string starting at: line 1 column 48220 (char 48219)

2018-01-25 23:03:57,459: WARNING: restore._get_status_key():39: key dev.xxx.com/hourly/mysql/mysql-2018-01-25_22_20_49.xbstream.gz is not found
Traceback (most recent call last):
  File "/usr/bin/twindb-backup", line 9, in <module>
    load_entry_point('twindb-backup==2.15.3', 'console_scripts', 'twindb-backup')()
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 722, in _call_
    return self.main(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/decorators.py", line 64, in new_func
    return ctx.invoke(f, obj, args[1:]
, *kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/click-6.7-py2.7.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/cli.py", line 160, in restore_mysql
    restore_from_mysql(cfg, backup_copy, dst)
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/restore.py", line 352, in restore_from_mysql
    if get_backup_type(status, key) == "full":
  File "/opt/twindb-backup/embedded/lib/python2.7/site-packages/twindb_backup-2.15.3-py2.7.egg/twindb_backup/restore.py", line 72, in get_backup_type
    raise DestinationError('Unknown backup type for backup copy %s' % key)
twindb_backup.destination.exceptions.DestinationError: Unknown backup type for backup copy dev.xxx.com/hourly/mysql/mysql-2018-01-25_22_20_49.xbstream.gz