py2neo.database.status.TransientError py2neo.database.status.TransientError: LockClient[92727] can't wait on resource RWLock[NODE(40340), hash=-1655217065] since => LockClient[92727] <-[:HELD_BY]- RWLock[NODE(40354), hash=-1043758485] <-[:WAITING_FOR]- LockClient[92728] <-[:HELD_BY]- RWLock[NODE(40340), hash=-1655217065] Traceback (most recent call last) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1836, in __call__ return self.wsgi_app(environ, start_response) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1820, in wsgi_app response = self.make_response(self.handle_exception(e)) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask_restful/__init__.py", line 271, in error_router return original_handler(e) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1403, in handle_exception reraise(exc_type, exc_value, tb) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/_compat.py", line 32, in reraise raise value.with_traceback(tb) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1817, in wsgi_app response = self.full_dispatch_request() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1477, in full_dispatch_request rv = self.handle_user_exception(e) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask_restful/__init__.py", line 271, in error_router return original_handler(e) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1381, in handle_user_exception reraise(exc_type, exc_value, tb) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/_compat.py", line 32, in reraise raise value.with_traceback(tb) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1475, in full_dispatch_request rv = self.dispatch_request() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/app.py", line 1461, in dispatch_request return self.view_functions[rule.endpoint](**req.view_args) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask_restful/__init__.py", line 477, in wrapper resp = resource(*args, **kwargs) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask/views.py", line 84, in view return self.dispatch_request(*args, **kwargs) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/flask_restful/__init__.py", line 587, in dispatch_request resp = meth(*args, **kwargs) File "/var/www/clients/client7/web38/web/routes/settings/settings_update.py", line 157, in get importer = ImportFromDiscourse(True) File "/var/www/clients/client7/web38/web/importer/importFromDiscourse.py", line 48, in __init__ self.neo4j_graph.delete_all() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 453, in delete_all self.run("MATCH (a) DETACH DELETE a") File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 731, in run return self.begin(autocommit=True).run(statement, parameters, **kwparameters) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 1277, in run self.finish() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 1296, in finish self._sync() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 1286, in _sync connection.fetch() File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/packages/neo4j/v1/bolt.py", line 344, in fetch handler(*fields) File "/var/www/clients/client7/web38/web/venv/lib/python3.5/site-packages/py2neo/database/__init__.py", line 961, in on_failure raise GraphError.hydrate(metadata) py2neo.database.status.TransientError: LockClient[92727] can't wait on resource RWLock[NODE(40340), hash=-1655217065] since => LockClient[92727] <-[:HELD_BY]- RWLock[NODE(40354), hash=-1043758485] <-[:WAITING_FOR]- LockClient[92728] <-[:HELD_BY]- RWLock[NODE(40340), hash=-1655217065] The debugger caught an exception in your WSGI application. You can now look at the traceback which led to the error. To switch between the interactive traceback and the plaintext one, you can click on the "Traceback" headline. From the text traceback you can also create a paste of it. For code execution mouse-over the frame you want to debug and click on the console icon on the right side. You can execute arbitrary Python code in the stack frames and there are some extra helpers available for introspection: dump() shows all variables in the frame dump(obj) dumps all that's known about the object