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How to solve 'request that this server could not understand' error?
scikit - random forest regressor - AttributeError: 'Thread' object has no attribute '_children'(psycopg2.OperationalError) could not connect to server: Connection refused Is the serverUpdating pip not working in ubuntu 14.04Flask gives “error 32 broken pipe” when being requested too oftencannot connect to postgres databaseTensorflow model as service gives errorDjango KeyError 'pk' POST methodHow to solve django with mysql error in insertingError in predicting from RNN Model using Flask Servergetting error while using Flask JWT, AttributeError: 'list' object has no attribute 'id' and shows 500 Internal server error
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I have built an API with Flask and keep getting an error when testing it with postman.
I only started getting this error when I added threading so that I could continue running my scraper after returning data to postman, now I'm not sure how to get past this issue
My code looks something like this:
from threading import Thread
from flask import Flask
application = Flask(__name__)
class Compute(Thread):
def __init__(self, request):
print("init")
Thread.__init__(self)
self.request = request
def run(self):
print("RUN")
command = './webscraper.py -us "user" -p "password" -url "url"'.format(**self.request.json)
output = subprocess.call(['bash','-c', command])
print("done")
@application.route('/scraper/run', methods=['POST'])
def init_scrape():
thread_a = Compute(request.__copy__())
thread_a.start()
return jsonify('Scraping this site: ': request.json["url"]), 201
if __name__ == '__main__':
application.run(host="0.0.0.0", port="8080")
My POST data is just a site url and details to login to it, looks something like this
data = {
"user":"username",
"password":"password",
"url":"www.mysite.com/"
If I make a POST request to localhost:8080/scraper/run with postman I get this error:
init
RUN
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "api_app.py", line 19, in run
command = './portal_scrape.py -us "user" -p "password" -start start -end end -fav "favourite" -url "url"'.format(**self.request.json)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 47, in json
return self.get_json()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 71, in get_json
data = self._get_data_for_json(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 50, in _get_data_for_json
return self.get_data(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wrappers.py", line 514, in get_data
rv = self.stream.read()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1307, in read
return self.on_disconnect()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1275, in on_disconnect
raise ClientDisconnected()
werkzeug.exceptions.ClientDisconnected: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.
I am sending the same POST request I had used when it was working without threading
python multithreading flask
add a comment |
I have built an API with Flask and keep getting an error when testing it with postman.
I only started getting this error when I added threading so that I could continue running my scraper after returning data to postman, now I'm not sure how to get past this issue
My code looks something like this:
from threading import Thread
from flask import Flask
application = Flask(__name__)
class Compute(Thread):
def __init__(self, request):
print("init")
Thread.__init__(self)
self.request = request
def run(self):
print("RUN")
command = './webscraper.py -us "user" -p "password" -url "url"'.format(**self.request.json)
output = subprocess.call(['bash','-c', command])
print("done")
@application.route('/scraper/run', methods=['POST'])
def init_scrape():
thread_a = Compute(request.__copy__())
thread_a.start()
return jsonify('Scraping this site: ': request.json["url"]), 201
if __name__ == '__main__':
application.run(host="0.0.0.0", port="8080")
My POST data is just a site url and details to login to it, looks something like this
data = {
"user":"username",
"password":"password",
"url":"www.mysite.com/"
If I make a POST request to localhost:8080/scraper/run with postman I get this error:
init
RUN
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "api_app.py", line 19, in run
command = './portal_scrape.py -us "user" -p "password" -start start -end end -fav "favourite" -url "url"'.format(**self.request.json)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 47, in json
return self.get_json()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 71, in get_json
data = self._get_data_for_json(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 50, in _get_data_for_json
return self.get_data(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wrappers.py", line 514, in get_data
rv = self.stream.read()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1307, in read
return self.on_disconnect()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1275, in on_disconnect
raise ClientDisconnected()
werkzeug.exceptions.ClientDisconnected: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.
I am sending the same POST request I had used when it was working without threading
python multithreading flask
1
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
1
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
updated my post with both suggestions
– user7496277
Mar 26 at 9:22
add a comment |
I have built an API with Flask and keep getting an error when testing it with postman.
I only started getting this error when I added threading so that I could continue running my scraper after returning data to postman, now I'm not sure how to get past this issue
My code looks something like this:
from threading import Thread
from flask import Flask
application = Flask(__name__)
class Compute(Thread):
def __init__(self, request):
print("init")
Thread.__init__(self)
self.request = request
def run(self):
print("RUN")
command = './webscraper.py -us "user" -p "password" -url "url"'.format(**self.request.json)
output = subprocess.call(['bash','-c', command])
print("done")
@application.route('/scraper/run', methods=['POST'])
def init_scrape():
thread_a = Compute(request.__copy__())
thread_a.start()
return jsonify('Scraping this site: ': request.json["url"]), 201
if __name__ == '__main__':
application.run(host="0.0.0.0", port="8080")
My POST data is just a site url and details to login to it, looks something like this
data = {
"user":"username",
"password":"password",
"url":"www.mysite.com/"
If I make a POST request to localhost:8080/scraper/run with postman I get this error:
init
RUN
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "api_app.py", line 19, in run
command = './portal_scrape.py -us "user" -p "password" -start start -end end -fav "favourite" -url "url"'.format(**self.request.json)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 47, in json
return self.get_json()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 71, in get_json
data = self._get_data_for_json(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 50, in _get_data_for_json
return self.get_data(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wrappers.py", line 514, in get_data
rv = self.stream.read()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1307, in read
return self.on_disconnect()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1275, in on_disconnect
raise ClientDisconnected()
werkzeug.exceptions.ClientDisconnected: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.
I am sending the same POST request I had used when it was working without threading
python multithreading flask
I have built an API with Flask and keep getting an error when testing it with postman.
I only started getting this error when I added threading so that I could continue running my scraper after returning data to postman, now I'm not sure how to get past this issue
My code looks something like this:
from threading import Thread
from flask import Flask
application = Flask(__name__)
class Compute(Thread):
def __init__(self, request):
print("init")
Thread.__init__(self)
self.request = request
def run(self):
print("RUN")
command = './webscraper.py -us "user" -p "password" -url "url"'.format(**self.request.json)
output = subprocess.call(['bash','-c', command])
print("done")
@application.route('/scraper/run', methods=['POST'])
def init_scrape():
thread_a = Compute(request.__copy__())
thread_a.start()
return jsonify('Scraping this site: ': request.json["url"]), 201
if __name__ == '__main__':
application.run(host="0.0.0.0", port="8080")
My POST data is just a site url and details to login to it, looks something like this
data = {
"user":"username",
"password":"password",
"url":"www.mysite.com/"
If I make a POST request to localhost:8080/scraper/run with postman I get this error:
init
RUN
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "api_app.py", line 19, in run
command = './portal_scrape.py -us "user" -p "password" -start start -end end -fav "favourite" -url "url"'.format(**self.request.json)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 47, in json
return self.get_json()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 71, in get_json
data = self._get_data_for_json(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/flask/wrappers.py", line 50, in _get_data_for_json
return self.get_data(cache=cache)
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wrappers.py", line 514, in get_data
rv = self.stream.read()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1307, in read
return self.on_disconnect()
File "/home/connor/Desktop/portal_dl/venv36/lib/python3.6/site-packages/werkzeug/wsgi.py", line 1275, in on_disconnect
raise ClientDisconnected()
werkzeug.exceptions.ClientDisconnected: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.
I am sending the same POST request I had used when it was working without threading
python multithreading flask
python multithreading flask
edited Mar 26 at 9:19
asked Mar 26 at 9:12
user7496277
1
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
1
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
updated my post with both suggestions
– user7496277
Mar 26 at 9:22
add a comment |
1
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
1
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
updated my post with both suggestions
– user7496277
Mar 26 at 9:22
1
1
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
1
1
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
updated my post with both suggestions
– user7496277
Mar 26 at 9:22
updated my post with both suggestions
– user7496277
Mar 26 at 9:22
add a comment |
0
active
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1
check the logs, put prints inside our function and let us know what happens
– E.Serra
Mar 26 at 9:14
1
It would also be helpful to include details of the request you are asking postman to send.
– holdenweb
Mar 26 at 9:17
updated my post with both suggestions
– user7496277
Mar 26 at 9:22