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Thanks for the answer Mark:

pip show alembic| grep Version

*Version: 0.7.4*




On Thu, Feb 5, 2015 at 6:46 PM, Mark Voelker <mvoelker at vmware.com> wrote:

> > pkg_resources.DistributionNotFound: alembic<0.6.4,>=0.4.1
>
> What version of Alembic do you have installed?
>
> At Your Service,
>
> Mark T. Voelker
>
> On Feb 5, 2015, at 7:53 PM, masoom alam <masoom.alam at wanclouds.net> wrote:
>
> > I was testing for a bug and suddently all neutron services got
> corrupted. Even the VM is soft rebooted and stack is rejoined but all
> neutron services are not starting....Any clue how to move forward from this
> point on, or clean is the only way?
> >
> > DHCP
> > python /usr/local/bin/neutron-dhcp-agent --config-file
> /etc/neutron/neutron.conf --config-file=/etc/neutron/dhcp_agent.ini
> > stack at testhavana:~/devstack$ python /usr/local/bin/neutron-dhcp-agent
> --config-file /etc/neutron/neutron.conf
> --config-file=/etc/neutron/dhcp_agent.ini
> > Traceback (most recent call last):
> >  File "/usr/local/bin/neutron-dhcp-agent", line 5, in <module>
> >    from pkg_resources import load_entry_point
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 3018, in <module>
> >    working_set = WorkingSet._build_master()
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 614, in _build_master
> >    return cls._build_from_requirements(__requires__)
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 627, in _build_from_requirements
> >    dists = ws.resolve(reqs, Environment())
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 805, in resolve
> >    raise DistributionNotFound(req)
> > pkg_resources.DistributionNotFound: alembic<0.6.4,>=0.4.1
> >
> >
> ----------------------------------------------------------------------------------------------------------------------------------
> > l3 agent:
> > python /usr/local/bin/neutron-l3-agent --config-file
> /etc/neutron/neutron.conf --config-file=/etc/neutron/l3_agent.ini
> > stack at testhavana:~/devstack$ python /usr/local/bin/neutron-l3-agent
> --config-file /etc/neutron/neutron.conf
> --config-file=/etc/neutron/l3_agent.ini
> > Traceback (most recent call last):
> >  File "/usr/local/bin/neutron-l3-agent", line 5, in <module>
> >    from pkg_resources import load_entry_point
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 3018, in <module>
> >    working_set = WorkingSet._build_master()
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 614, in _build_master
> >    return cls._build_from_requirements(__requires__)
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 627, in _build_from_requirements
> >    dists = ws.resolve(reqs, Environment())
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 805, in resolve
> >    raise DistributionNotFound(req)
> > pkg_resources.DistributionNotFound: alembic<0.6.4,>=0.4.1
> > stack at testhavana:~/devstack$
> >
> >
> -----------------------------------------------------------------------------------------------------------------------------------------------
> > meta
> > python /usr/local/bin/neutron-metadata-agent --config-file
> /etc/neutron/neutron.conf --config-file=/etc/neutron/metadata_agent.ini
> > stack at testhavana:~/devstack$ python
> /usr/local/bin/neutron-metadata-agent --config-file
> /etc/neutron/neutron.conf --config-file=/etc/neutron/metadata_agent.ini
> > Traceback (most recent call last):
> >  File "/usr/local/bin/neutron-metadata-agent", line 5, in <module>
> >    from pkg_resources import load_entry_point
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 3018, in <module>
> >    working_set = WorkingSet._build_master()
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 614, in _build_master
> >    return cls._build_from_requirements(__requires__)
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 627, in _build_from_requirements
> >    dists = ws.resolve(reqs, Environment())
> >  File
> "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
> 805, in resolve
> >    raise DistributionNotFound(req)
> > pkg_resources.DistributionNotFound: alembic<0.6.4,>=0.4.1
> > stack at testhavana:~/devstack$
> >
> >
> >
> >
> >
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