The storm process is run by the same user that the supervisor is running as.
On Thu, Apr 16, 2015 at 6:24 PM, Zotti, Ryan J. <ryan.zo...@capitalone.com>
wrote:
> I've written a topology in Kafka and Storm. The topology works great until
> I try to make a Bolt that tries to either connect to the internet (via a
> restful API) or localhost (MongoDB) -- Storm is not able to connect to
> either. Does anyone know why this might happen? Is Kafka interfering
> somehow? For what it's worth, I'm running Kafka and Storm inside a Docker
> container that is itself run inside a server protected by a proxy server
> with a strong firewall. What makes this tough to debug is that I'm able to
> connect to localhost and I'm also able to run the restful API inside the
> Docker container and firewall when I'm not using Storm. So I'm guessing
> either Kafka or Storm is causing the issue. When Storm runs, is the process
> handed off to root? I have proxy settings that are only configured for
> myself (not root), so it’s possible that if the Storm process is handed off
> to some ID other than my own then my proxy settings would no longer apply,
> although this shouldn’t affect a connection to localhost.
>
>
>
> Below is my python Bolt code if anyone is interested.
>
>
>
> import storm
>
> import urllib2
>
>
>
> class TestBolt(storm.BasicBolt):
>
>
>
> def process(self, tup):
>
> throw_away_input = str(tup.values[0]).strip()
>
> response = urllib2.urlopen('http://python.org/')
>
> html = response.read()
>
> storm.emit([html])
>
>
>
> TestBolt().run()
>
>
>
> Thanks,
>
> Ryan
>
>
>
> *Ryan Zotti*
> *Software Engineer, Enterprise Data Services*
>
> 804.393.1656
> ryan.zo...@capitalone.com
>
>
>
> [image: cid:image001.jpg@01CFA4FA.31511390]
>
>
>
> ------------------------------
>
> The information contained in this e-mail is confidential and/or
> proprietary to Capital One and/or its affiliates. The information
> transmitted herewith is intended only for use by the individual or entity
> to which it is addressed. If the reader of this message is not the
> intended recipient, you are hereby notified that any review,
> retransmission, dissemination, distribution, copying or other use of, or
> taking of any action in reliance upon this information is strictly
> prohibited. If you have received this communication in error, please
> contact the sender and delete the material from your computer.
>
