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The post request returning error when indexer is empty #8

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MirMustafaAli opened this issue Dec 11, 2020 · 0 comments
Open

The post request returning error when indexer is empty #8

MirMustafaAli opened this issue Dec 11, 2020 · 0 comments

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@MirMustafaAli
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My kafka topic has no message which leads to indexers being empty. while in this state is expected the API response for a post request to be empty but i am getting the error below

`

<title>AttributeError: 'NoneType' object has no attribute 'search' // Werkzeug Debugger</title> <script src="?__debugger__=yes&cmd=resource&f=jquery.js"></script> <script src="?__debugger__=yes&cmd=resource&f=debugger.js"></script> <script type="text/javascript"> var TRACEBACK = 140203188669968, CONSOLE_MODE = false, EVALEX = true, EVALEX_TRUSTED = false, SECRET = "7bS2IT5ce5W23A3ZiIv7"; </script>

AttributeError

AttributeError: 'NoneType' object has no attribute 'search'

Traceback (most recent call last)

		<ul>
			<li>
				<div class="frame" id="frame-140203188670352">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">2464</em>,
						in <code class="function">__call__</code></h4>
					<div class="source library">
						<pre class="line before"><span class="ws"></span> </pre>
						<pre
							class="line before"><span class="ws">    </span>def __call__(self, environ, start_response):</pre>
						<pre
							class="line before"><span class="ws">        </span>&quot;&quot;&quot;The WSGI server calls the Flask application object as the</pre>
						<pre
							class="line before"><span class="ws">        </span>WSGI application. This calls :meth:`wsgi_app` which can be</pre>
						<pre
							class="line before"><span class="ws">        </span>wrapped to applying middleware.&quot;&quot;&quot;</pre>
						<pre
							class="line current"><span class="ws">        </span>return self.wsgi_app(environ, start_response)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">    </span>def __repr__(self):</pre>
						<pre
							class="line after"><span class="ws">        </span>return &quot;&lt;%s %r&gt;&quot; % (self.__class__.__name__, self.name)</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188670416">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">2450</em>,
						in <code class="function">wsgi_app</code></h4>
					<div class="source library">
						<pre class="line before"><span class="ws">            </span>try:</pre>
						<pre class="line before"><span class="ws">                </span>ctx.push()</pre>
						<pre
							class="line before"><span class="ws">                </span>response = self.full_dispatch_request()</pre>
						<pre class="line before"><span class="ws">            </span>except Exception as e:</pre>
						<pre class="line before"><span class="ws">                </span>error = e</pre>
						<pre
							class="line current"><span class="ws">                </span>response = self.handle_exception(e)</pre>
						<pre class="line after"><span class="ws">            </span>except:  # noqa: B001</pre>
						<pre
							class="line after"><span class="ws">                </span>error = sys.exc_info()[1]</pre>
						<pre class="line after"><span class="ws">                </span>raise</pre>
						<pre
							class="line after"><span class="ws">            </span>return response(environ, start_response)</pre>
						<pre class="line after"><span class="ws">        </span>finally:</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736592">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">1867</em>,
						in <code class="function">handle_exception</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">            </span># if we want to repropagate the exception, we can attempt to</pre>
						<pre
							class="line before"><span class="ws">            </span># raise it with the whole traceback in case we can do that</pre>
						<pre
							class="line before"><span class="ws">            </span># (the function was actually called from the except part)</pre>
						<pre
							class="line before"><span class="ws">            </span># otherwise, we just raise the error again</pre>
						<pre class="line before"><span class="ws">            </span>if exc_value is e:</pre>
						<pre
							class="line current"><span class="ws">                </span>reraise(exc_type, exc_value, tb)</pre>
						<pre class="line after"><span class="ws">            </span>else:</pre>
						<pre class="line after"><span class="ws">                </span>raise e</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre
							class="line after"><span class="ws">        </span>self.log_exception((exc_type, exc_value, tb))</pre>
						<pre
							class="line after"><span class="ws">        </span>server_error = InternalServerError()</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736656">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/_compat.py"</cite>,
						line <em class="line">39</em>,
						in <code class="function">reraise</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">    </span>import collections.abc as collections_abc</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre class="line before"><span class="ws">    </span>def reraise(tp, value, tb=None):</pre>
						<pre
							class="line before"><span class="ws">        </span>if value.__traceback__ is not tb:</pre>
						<pre
							class="line before"><span class="ws">            </span>raise value.with_traceback(tb)</pre>
						<pre class="line current"><span class="ws">        </span>raise value</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">    </span>implements_to_string = _identity</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws"></span>else:</pre>
						<pre class="line after"><span class="ws">    </span>iterkeys = lambda d: d.iterkeys()</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736720">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">2447</em>,
						in <code class="function">wsgi_app</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">        </span>ctx = self.request_context(environ)</pre>
						<pre class="line before"><span class="ws">        </span>error = None</pre>
						<pre class="line before"><span class="ws">        </span>try:</pre>
						<pre class="line before"><span class="ws">            </span>try:</pre>
						<pre class="line before"><span class="ws">                </span>ctx.push()</pre>
						<pre
							class="line current"><span class="ws">                </span>response = self.full_dispatch_request()</pre>
						<pre class="line after"><span class="ws">            </span>except Exception as e:</pre>
						<pre class="line after"><span class="ws">                </span>error = e</pre>
						<pre
							class="line after"><span class="ws">                </span>response = self.handle_exception(e)</pre>
						<pre class="line after"><span class="ws">            </span>except:  # noqa: B001</pre>
						<pre
							class="line after"><span class="ws">                </span>error = sys.exc_info()[1]</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736528">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">1952</em>,
						in <code class="function">full_dispatch_request</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">            </span>request_started.send(self)</pre>
						<pre
							class="line before"><span class="ws">            </span>rv = self.preprocess_request()</pre>
						<pre class="line before"><span class="ws">            </span>if rv is None:</pre>
						<pre
							class="line before"><span class="ws">                </span>rv = self.dispatch_request()</pre>
						<pre class="line before"><span class="ws">        </span>except Exception as e:</pre>
						<pre
							class="line current"><span class="ws">            </span>rv = self.handle_user_exception(e)</pre>
						<pre
							class="line after"><span class="ws">        </span>return self.finalize_request(rv)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre
							class="line after"><span class="ws">    </span>def finalize_request(self, rv, from_error_handler=False):</pre>
						<pre
							class="line after"><span class="ws">        </span>&quot;&quot;&quot;Given the return value from a view function this finalizes</pre>
						<pre
							class="line after"><span class="ws">        </span>the request by converting it into a response and invoking the</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736912">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">1821</em>,
						in <code class="function">handle_user_exception</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">            </span>return self.handle_http_exception(e)</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre
							class="line before"><span class="ws">        </span>handler = self._find_error_handler(e)</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre class="line before"><span class="ws">        </span>if handler is None:</pre>
						<pre
							class="line current"><span class="ws">            </span>reraise(exc_type, exc_value, tb)</pre>
						<pre class="line after"><span class="ws">        </span>return handler(e)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">    </span>def handle_exception(self, e):</pre>
						<pre
							class="line after"><span class="ws">        </span>&quot;&quot;&quot;Handle an exception that did not have an error handler</pre>
						<pre
							class="line after"><span class="ws">        </span>associated with it, or that was raised from an error handler.</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736976">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/_compat.py"</cite>,
						line <em class="line">39</em>,
						in <code class="function">reraise</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">    </span>import collections.abc as collections_abc</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre class="line before"><span class="ws">    </span>def reraise(tp, value, tb=None):</pre>
						<pre
							class="line before"><span class="ws">        </span>if value.__traceback__ is not tb:</pre>
						<pre
							class="line before"><span class="ws">            </span>raise value.with_traceback(tb)</pre>
						<pre class="line current"><span class="ws">        </span>raise value</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">    </span>implements_to_string = _identity</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws"></span>else:</pre>
						<pre class="line after"><span class="ws">    </span>iterkeys = lambda d: d.iterkeys()</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188737040">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">1950</em>,
						in <code class="function">full_dispatch_request</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">        </span>self.try_trigger_before_first_request_functions()</pre>
						<pre class="line before"><span class="ws">        </span>try:</pre>
						<pre
							class="line before"><span class="ws">            </span>request_started.send(self)</pre>
						<pre
							class="line before"><span class="ws">            </span>rv = self.preprocess_request()</pre>
						<pre class="line before"><span class="ws">            </span>if rv is None:</pre>
						<pre
							class="line current"><span class="ws">                </span>rv = self.dispatch_request()</pre>
						<pre class="line after"><span class="ws">        </span>except Exception as e:</pre>
						<pre
							class="line after"><span class="ws">            </span>rv = self.handle_user_exception(e)</pre>
						<pre
							class="line after"><span class="ws">        </span>return self.finalize_request(rv)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre
							class="line after"><span class="ws">    </span>def finalize_request(self, rv, from_error_handler=False):</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736784">
					<h4>File
						<cite class="filename">"/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py"</cite>,
						line <em class="line">1936</em>,
						in <code class="function">dispatch_request</code></h4>
					<div class="source library">
						<pre
							class="line before"><span class="ws">            </span>getattr(rule, &quot;provide_automatic_options&quot;, False)</pre>
						<pre
							class="line before"><span class="ws">            </span>and req.method == &quot;OPTIONS&quot;</pre>
						<pre class="line before"><span class="ws">        </span>):</pre>
						<pre
							class="line before"><span class="ws">            </span>return self.make_default_options_response()</pre>
						<pre
							class="line before"><span class="ws">        </span># otherwise dispatch to the handler for that endpoint</pre>
						<pre
							class="line current"><span class="ws">        </span>return self.view_functions[rule.endpoint](**req.view_args)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">    </span>def full_dispatch_request(self):</pre>
						<pre
							class="line after"><span class="ws">        </span>&quot;&quot;&quot;Dispatches the request and on top of that performs request</pre>
						<pre
							class="line after"><span class="ws">        </span>pre and postprocessing as well as HTTP exception catching and</pre>
						<pre class="line after"><span class="ws">        </span>error handling.</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736848">
					<h4>File <cite class="filename">"/Users/ali/Ali/github/SimDB/app.py"</cite>,
						line <em class="line">52</em>,
						in <code class="function">query</code></h4>
					<div class="source ">
						<pre
							class="line before"><span class="ws">    </span>nn_article_count = rq[&quot;n&quot;]</pre>
						<pre class="line before"><span class="ws">  </span>else:</pre>
						<pre
							class="line before"><span class="ws">    </span>nn_article_count = config.default_nn()</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre class="line before"><span class="ws">  </span>if rq.get(&quot;vector&quot;):</pre>
						<pre
							class="line current"><span class="ws">    </span>result = indexer.find_NN_by_vector(rq.get(&quot;vector&quot;), nn_article_count)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">  </span>elif rq.get(&quot;id&quot;):</pre>
						<pre
							class="line after"><span class="ws">    </span>result = indexer.find_NN_by_id(rq.get(&quot;id&quot;), nn_article_count)</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre class="line after"><span class="ws">  </span>else:</pre>
					</div>
				</div>

			<li>
				<div class="frame" id="frame-140203188736208">
					<h4>File <cite class="filename">"/Users/ali/Ali/github/SimDB/indexers/FaissIndexer.py"</cite>,
						line <em class="line">79</em>,
						in <code class="function">find_NN_by_vector</code></h4>
					<div class="source ">
						<pre class="line before"><span class="ws"></span> </pre>
						<pre class="line before"><span class="ws">    </span>return formatted_result</pre>
						<pre class="line before"><span class="ws"></span> </pre>
						<pre
							class="line before"><span class="ws">  </span>def find_NN_by_vector(self, query_vector=[], n=10):</pre>
						<pre
							class="line before"><span class="ws">    </span>vector = self._extract_vector(query_vector)</pre>
						<pre
							class="line current"><span class="ws">    </span>return self.index.search(vector, n)[1][0]</pre>
						<pre class="line after"><span class="ws"></span> </pre>
						<pre
							class="line after"><span class="ws">  </span>def find_NN_by_vectors(self, query_vectors=[], n=10):</pre>
						<pre
							class="line after"><span class="ws">    </span>vectors = [self._extract_vector(vector) for vector in query_vectors]</pre>
						<pre
							class="line after"><span class="ws">    </span>return self.index.search(vectors, n)[1]</pre>
						<pre class="line after"><span class="ws"></span> </pre>
					</div>
				</div>
		</ul>
		<blockquote>AttributeError: 'NoneType' object has no attribute 'search'</blockquote>
	</div>

	<div class="plain">
		<form action="/?__debugger__=yes&amp;cmd=paste" method="post">
			<p>
				<input type="hidden" name="language" value="pytb">
  This is the Copy/Paste friendly version of the traceback. <span
  class="pastemessage">You can also paste this traceback into
  a <a href="https://gist.github.com/">gist</a>:
  <input type="submit" value="create paste"></span>
			</p>
			<textarea cols="50" rows="10" name="code" readonly>Traceback (most recent call last):

File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 2464, in call
return self.wsgi_app(environ, start_response)
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 2450, in wsgi_app
response = self.handle_exception(e)
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 1867, in handle_exception
reraise(exc_type, exc_value, tb)
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
raise value
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
response = self.full_dispatch_request()
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
raise value
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
rv = self.dispatch_request()
File "/Users/ali/anaconda3/envs/sims_engine_indexer/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
return self.view_functionsrule.endpoint
File "/Users/ali/Ali/github/SimDB/app.py", line 52, in query
result = indexer.find_NN_by_vector(rq.get("vector"), nn_article_count)
File "/Users/ali/Ali/github/SimDB/indexers/FaissIndexer.py", line 79, in find_NN_by_vector
return self.index.search(vector, n)[1][0]
AttributeError: 'NoneType' object has no attribute 'search'</textarea>



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@MirMustafaAli