我有一个 Django(版本 1.4.0)网络应用程序,它使用 neo4django 映射器在 neo4j(版本 1.8.2)上运行查询。
但是,只要我做一个像这样的查询
OnlinePerson.objects.filter(name="Bijan")
我收到一个运行时错误
('The type node for class OnlinePerson could not be created in the database.', StatusException())
我尝试了很多不同的东西,但无法解决!
Traceback:
File "/Library/Python/2.7/site-packages/django/core/handlers/base.py" in get_response
111. response = callback(request, *callback_args, **callback_kwargs)
File "/Users/Bijan/BHIC/mySVN/NeoD/src/NeoD/views.py" in home
22. return render_to_response('index.html', {'Person' : entries, 'Person2': ["Bijan","Nastaran"]})
File "/Library/Python/2.7/site-packages/django/shortcuts/__init__.py" in render_to_response
20. return HttpResponse(loader.render_to_string(*args, **kwargs), **httpresponse_kwargs)
File "/Library/Python/2.7/site-packages/django/template/loader.py" in render_to_string
171. return t.render(Context(dictionary))
File "/Library/Python/2.7/site-packages/django/template/base.py" in render
140. return self._render(context)
File "/Library/Python/2.7/site-packages/django/template/base.py" in _render
134. return self.nodelist.render(context)
File "/Library/Python/2.7/site-packages/django/template/base.py" in render
823. bit = self.render_node(node, context)
File "/Library/Python/2.7/site-packages/django/template/debug.py" in render_node
74. return node.render(context)
File "/Library/Python/2.7/site-packages/django/template/defaulttags.py" in render
145. len_values = len(values)
File "/Library/Python/2.7/site-packages/django/db/models/query.py" in __len__
85. self._result_cache = list(self.iterator())
File "/Library/Python/2.7/site-packages/neo4django/db/models/query.py" in iterator
733. for model in self.query.execute(using):
File "/Library/Python/2.7/site-packages/neo4django/db/models/query.py" in execute
610. type_node = self.nodetype._type_node(using)
File "/Library/Python/2.7/site-packages/neo4django/db/models/base.py" in _type_node
423. return cls.__type_node_classmethod(using)
File "/Library/Python/2.7/site-packages/neo4django/db/models/base.py" in __type_node
406. raise RuntimeError(error_message, e)
Exception Type: RuntimeError at /
Exception Value: ('The type node for class OnlinePerson could not be created in the database.', StatusException())
最佳答案
最后,经过大量的斗争和尝试不同的解决方案,问题得到了解决。我认为主要问题是我的 neo4j 版本(1.8.2)。
切换回 1.7.2 后,一切正常。
关于django - 通过 neo4django 连接到 neo4j 时出错,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15505753/