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From Jiaming Lin <linnjiam...@gmail.com>
Subject Re: Configuring Python environment
Date Tue, 03 May 2016 02:40:35 GMT
You can try streamparse, I haven't used it, but it looks charming.

On Tuesday, May 3, 2016, Alec Swan <alecswan@gmail.com> wrote:

> Thanks, Joaquin, but I've seen all these articles since I spent the entire
> weekend trying to get my topology to run on CentOS/Python2.7.
> Getting it to work on Mac OSX was a breeze because I can easily install
> Python 2.7 on it.
>
> It'd be great if somebody with the actually CentOS/Python2.7 experience
> could share their thoughts.
>
> Thanks,
>
> Alec
>
> On Mon, May 2, 2016 at 7:59 PM, Joaquin Menchaca <jmenchaca@gobalto.com
> <javascript:_e(%7B%7D,'cvml','jmenchaca@gobalto.com');>> wrote:
>
>> virtualenvwrappers
>>   - http://virtualenvwrapper.readthedocs.io/en/latest/
>> - https://pypi.python.org/pypi/virtualenvwrapper/
>> Pyenv
>>   - https://amaral.northwestern.edu/resources/guides/pyenv-tutorial
>>   - https://github.com/yyuu/pyenv
>> Docker
>>
>> You can have a Python in another directory, then put that directory in
>> the path.  Maybe linuxbrew can help with that.
>>
>> Linuxbrew - http://linuxbrew.sh
>>
>> Disclaimer, I haven't tested any of these with Storm.  I personally don't
>> use CentOS (or RHEL) any more, because they are dinosaurs when it comes to
>> scripting languages and web development.  But many love the slow churn and
>> stability.
>>
>> I also found these:
>> -
>> https://github.com/h2oai/h2o-2/wiki/Installing-python-2.7-on-centos-6.3.-Follow-this-sequence-exactly-for-centos-machine-only
>> -
>> https://www.digitalocean.com/community/tutorials/how-to-set-up-python-2-7-6-and-3-3-3-on-centos-6-4
>> - http://toomuchdata.com/2014/02/16/how-to-install-python-on-centos/
>> On May 2, 2016 3:35 PM, "Alec Swan" <alecswan@gmail.com
>> <javascript:_e(%7B%7D,'cvml','alecswan@gmail.com');>> wrote:
>>
>>> Hello,
>>>
>>> I am having a real hard time configuring Storm to use python2.7 virtual
>>> environment that I installed on my CentOS 6.5 host.
>>>
>>> CentOS 6.5 ships with python2.6 but storm requires at least python2.7.
>>> Switching to python2.7 breaks some of CentOS functionality, so I had to
>>> install python2.7 as a separate environment.
>>>
>>> I also read that if I set BASH_ENV env var to point to the script that
>>> activates the virtual environment, then it will be loaded before scripts
>>> are executed. I also changed the first line in storm.py to:
>>> #!/usr/bin/env python
>>> so that the right python executable is being used. However, I still have
>>> no luck and keep getting the error shown below after topology is
>>> successfully submitted.
>>>
>>> Has anyone figured out how to use Storm with python virtual environments?
>>>
>>> 2016-05-02 21:57:43.503 b.s.util [ERROR] Async loop died!
>>> java.lang.RuntimeException: Error when launching multilang subprocess
>>> python: error while loading shared libraries: libpython2.7.so.1.0:
>>> cannot open shared object file: No such file or directory
>>>
>>>         at
>>> backtype.storm.utils.ShellProcess.launch(ShellProcess.java:68)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at backtype.storm.task.ShellBolt.prepare(ShellBolt.java:117)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at
>>> backtype.storm.daemon.executor$fn__5694$fn__5707.invoke(executor.clj:757)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at backtype.storm.util$async_loop$fn__545.invoke(util.clj:477)
>>> [storm-core-0.10.0.jar:0.10.0]
>>>         at clojure.lang.AFn.run(AFn.java:22) [clojure-1.6.0.jar:?]
>>>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
>>> Caused by: java.io.IOException: Broken pipe
>>>         at java.io.FileOutputStream.writeBytes(Native Method)
>>> ~[?:1.8.0_73]
>>>         at java.io.FileOutputStream.write(FileOutputStream.java:326)
>>> ~[?:1.8.0_73]
>>>         at
>>> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
>>> ~[?:1.8.0_73]
>>>         at
>>> java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
>>> ~[?:1.8.0_73]
>>>         at java.io.DataOutputStream.flush(DataOutputStream.java:123)
>>> ~[?:1.8.0_73]
>>>         at
>>> backtype.storm.multilang.JsonSerializer.writeString(JsonSerializer.java:96)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at
>>> backtype.storm.multilang.JsonSerializer.writeMessage(JsonSerializer.java:89)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at
>>> backtype.storm.multilang.JsonSerializer.connect(JsonSerializer.java:61)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         at
>>> backtype.storm.utils.ShellProcess.launch(ShellProcess.java:64)
>>> ~[storm-core-0.10.0.jar:0.10.0]
>>>         ... 5 more
>>>
>>>
>>> Thanks,
>>>
>>> Alec
>>>
>>
>

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