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[Bug 1850558] [NEW] "AttributeError: 'str' object has no attribute 'content_type' in functional tests

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Slawek Kaplonski <1850558@xxxxxxxxxxxxxxxxxx>
Date: Tue, 29 Oct 2019 21:29:32 -0000
Reply-to: Bug 1850558 <1850558@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

It happen few times already in functional and fullstack tests that we
had failure like:

2019-10-24 11:57:35.161 5434 ERROR neutron Traceback (most recent call last):
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
2019-10-24 11:57:35.161 5434 ERROR neutron     "__main__", mod_spec)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
2019-10-24 11:57:35.161 5434 ERROR neutron     exec(code, run_globals)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 99, in <module>
2019-10-24 11:57:35.161 5434 ERROR neutron     main()
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 90, in main
2019-10-24 11:57:35.161 5434 ERROR neutron     testRunner=partial(runner, stdout=sys.stdout))
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/program.py", line 185, in __init__
2019-10-24 11:57:35.161 5434 ERROR neutron     self.runTests()
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/program.py", line 226, in runTests
2019-10-24 11:57:35.161 5434 ERROR neutron     self.result = testRunner.run(self.test)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 52, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/unittest2/case.py", line 673, in __call__
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testcase.py", line 671, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     return run_test.run(result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 80, in run
2019-10-24 11:57:35.161 5434 ERROR neutron     return self._run_one(actual_result)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 94, in _run_one
2019-10-24 11:57:35.161 5434 ERROR neutron     return self._run_prepared_result(ExtendedToOriginalDecorator(result))
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 108, in _run_prepared_result
2019-10-24 11:57:35.161 5434 ERROR neutron     self._run_core()
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 162, in _run_core
2019-10-24 11:57:35.161 5434 ERROR neutron     details=self.case.getDetails())
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1446, in addSuccess
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/subunit/test_results.py", line 147, in addSuccess
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.super.addSuccess(test, details=details)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/subunit/test_results.py", line 72, in addSuccess
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1446, in addSuccess
2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1638, in addSuccess
2019-10-24 11:57:35.161 5434 ERROR neutron     self._convert(test, None, details, 'success')
2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1604, in _convert
2019-10-24 11:57:35.161 5434 ERROR neutron     mime_type = repr(content.content_type)
2019-10-24 11:57:35.161 5434 ERROR neutron AttributeError: 'str' object has no attribute 'content_type'

Logstash query
http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22AttributeError%3A%20'str'%20object%20has%20no%20attribute%20'content_type'%5C%22

** Affects: neutron
     Importance: Medium
         Status: Confirmed


** Tags: fullstack functional-tests gate-failure

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https://bugs.launchpad.net/bugs/1850558

Title:
  "AttributeError: 'str' object has no attribute 'content_type' in
  functional tests

Status in neutron:
  Confirmed

Bug description:
  It happen few times already in functional and fullstack tests that we
  had failure like:

  2019-10-24 11:57:35.161 5434 ERROR neutron Traceback (most recent call last):
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
  2019-10-24 11:57:35.161 5434 ERROR neutron     "__main__", mod_spec)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
  2019-10-24 11:57:35.161 5434 ERROR neutron     exec(code, run_globals)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 99, in <module>
  2019-10-24 11:57:35.161 5434 ERROR neutron     main()
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 90, in main
  2019-10-24 11:57:35.161 5434 ERROR neutron     testRunner=partial(runner, stdout=sys.stdout))
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/program.py", line 185, in __init__
  2019-10-24 11:57:35.161 5434 ERROR neutron     self.runTests()
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/program.py", line 226, in runTests
  2019-10-24 11:57:35.161 5434 ERROR neutron     self.result = testRunner.run(self.test)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/stestr/subunit_runner/run.py", line 52, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 84, in __call__
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/usr/lib/python3.6/unittest/suite.py", line 122, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     test(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/unittest2/case.py", line 673, in __call__
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.run(*args, **kwds)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testcase.py", line 671, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     return run_test.run(result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 80, in run
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self._run_one(actual_result)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 94, in _run_one
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self._run_prepared_result(ExtendedToOriginalDecorator(result))
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 108, in _run_prepared_result
  2019-10-24 11:57:35.161 5434 ERROR neutron     self._run_core()
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/runtest.py", line 162, in _run_core
  2019-10-24 11:57:35.161 5434 ERROR neutron     details=self.case.getDetails())
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1446, in addSuccess
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/subunit/test_results.py", line 147, in addSuccess
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.super.addSuccess(test, details=details)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/subunit/test_results.py", line 72, in addSuccess
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1446, in addSuccess
  2019-10-24 11:57:35.161 5434 ERROR neutron     return self.decorated.addSuccess(test, details=details)
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1638, in addSuccess
  2019-10-24 11:57:35.161 5434 ERROR neutron     self._convert(test, None, details, 'success')
  2019-10-24 11:57:35.161 5434 ERROR neutron   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/testtools/testresult/real.py", line 1604, in _convert
  2019-10-24 11:57:35.161 5434 ERROR neutron     mime_type = repr(content.content_type)
  2019-10-24 11:57:35.161 5434 ERROR neutron AttributeError: 'str' object has no attribute 'content_type'

  Logstash query
  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22AttributeError%3A%20'str'%20object%20has%20no%20attribute%20'content_type'%5C%22

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Follow ups

[Bug 1850558] Re: "AttributeError: 'str' object has no attribute 'content_type' in functional tests
From: OpenStack Infra, 2019-11-04