Article ID: 128192, created on Jan 29, 2016, last review on Oct 6, 2016

  • Applies to:
  • Plesk 12.5 for Linux


Backup task failed with the following error:

CRITICAL: Runtime error in pmmcli:  
<class 'sqlite3.OperationalError'> database is locked 
Traceback (most recent call last): 
  File "/opt/psa/admin/share/pmmcli/", line 2799, in main 
    data_action_response, errcode_response, error_message = actions.get(sys.argv[1][2:])(parameters) 
  File "/opt/psa/admin/share/pmmcli/", line 2648, in get_task_status 
    return ActionRunner(GetTaskStatusAction, None, task_param).doActivity() 
  File "/opt/psa/admin/share/pmmcli/", line 167, in doActivity 
    result = self.processor.doActivity() 
  File "/opt/psa/admin/share/pmmcli/", line 1884, in doActivity 
    status = pmm_task.getPMMTaskManager().getTaskStatus(self.__task_id) 
  File "/opt/psa/admin/share/pmmcli/", line 1171, in getTaskStatus 
    result = self.__taskFinder(task_id,self.operatorGetTaskStatus) 
  File "/opt/psa/admin/share/pmmcli/", line 1054, in __taskFinder 
    task = self.persistent_storage.getTask(task_id) 
  File "/opt/psa/admin/share/pmmcli/", line 639, in getTask 
    return self.__loadTask(task_id) 
  File "/opt/psa/admin/share/pmmcli/", line 626, in __loadTask 
    task_item = Task.load(loader) 
  File "/opt/psa/admin/share/pmmcli/", line 361, in load 
    self = pload() 
  File "/opt/psa/admin/share/pmmcli/", line 73, in load 
    cursor.execute('SELECT dump FROM tasks WHERE id=?', [self.__task_id]) 
OperationalError: database is locked


Bug #PPPM-3968. It is fixed in Plesk Onyx.


Upgrade to the latest Plesk version.

Search Words


plesk backup failed

Runtime error in pmmcli

OperationalError: database is locked

database is locked

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