Taurus CLI Tool v1.11.1 test not starting

[bpc...@gmail.com]

Using:

Sample code from http://gettaurus.org/

Python: CPython 2.7.5

CentOS Linux release 7.4.1708

jre-10.0.1-10.0.1-ga.x86_64

JavaVM output: java version "10.0.1" 2018-04-17

Error:
10:25:36 INFO: Taurus CLI Tool v1.11.1
10:25:36 INFO: Starting with configs: ['bzt.yml']
10:25:36 INFO: Configuring...
10:25:36 INFO: Artifacts dir: /home/bcarson/2018-05-16_10-25-36.592209
10:25:36 INFO: Preparing...
10:25:38 WARNING: Thread group detection: plugin for ConcurrentThreadGroup not found, regular ThreadGroup will be used
10:25:45 ERROR: AttributeError: 'module' object has no attribute 'XMLPullParser'
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/bzt/cli.py", line 249, in perform
    self.engine.prepare()
  File "/usr/lib/python2.7/site-packages/bzt/engine.py", line 168, in prepare
    self.__prepare_provisioning()
  File "/usr/lib/python2.7/site-packages/bzt/engine.py", line 514, in __prepare_provisioning
    self.provisioning.prepare()
  File "/usr/lib/python2.7/site-packages/bzt/modules/provisioning.py", line 72, in prepare
    executor.prepare()
  File "/usr/lib/python2.7/site-packages/bzt/modules/jmeter.py", line 314, in prepare
    self.reader = JTLReader(self.kpi_jtl, self.log, self.log_jtl)
  File "/usr/lib/python2.7/site-packages/bzt/modules/jmeter.py", line 940, in __init__
    self.errors_reader = JTLErrorsReader(errors_filename, parent_logger)
  File "/usr/lib/python2.7/site-packages/bzt/modules/jmeter.py", line 1286, in __init__
    self.parser = etree.XMLPullParser(events=('end',))
AttributeError: 'module' object has no attribute 'XMLPullParser'

Thanks for the help!

-Bruce

[Dmitri Pribysh]

Hi,

Which version of lxml is installed on your system? You can learn it by invoking `pip show lxml`.

  Dimitri

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[bpc...@gmail.com]

Name: lxml

Version: 4.2.1

Summary: Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Home-page: http://lxml.de/

Author: lxml dev team

Author-email: lxml...@lxml.de

License: BSD

Location: /usr/lib64/python2.7/site-packages

Requires:

Required-by: bzt, apiritif

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[Dmitri Pribysh]

The only idea i have right now is that somehow Python has multiple versions of lxml installed and for some reason uses the old one.

Can you create a clean virtualenv and attempt to install Taurus with all its dependencies into it?

- `[sudo] pip install virtualenv`
- `virtualenv venv`
- `source venv/bin/activate`
- `pip install bzt`
- `bzt your-config.yml`

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[bpc...@gmail.com]

Yep that worked! Is there any difference I need to be aware of when running a test via venv?

[Dmitri Pribysh]

Not really, except that you have to activate venv each time you open a shell to run bzt, which is not exactly convenient. Still, it’s an easy way to have a working bzt installation. 

The venv was just for checking if you have a problem with your system python environment, which seems to be true. Do you by any chance have multiple Pythons installed?

  Dimitri

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