# Pastebin vvLKbwgH
Aug 04 21:05:42 ubuntu devstack@c-api.service[2327]: INFO cinder.api.openstack.wsgi [None req-49f2c39e-b80b-4808-95a4-92986d304763 admin admin] GET http://127.0.0.1/volume/v3/362f7ff106344ffb97966a47d10bb082/attachments/3c62407f-4837-4245-981b-4b75b0dce172
Aug 04 21:05:42 ubuntu devstack@c-api.service[2327]: DEBUG cinder.api.openstack.wsgi [None req-49f2c39e-b80b-4808-95a4-92986d304763 admin admin] Empty body provided in request {{(pid=2332) get_body /opt/stack/cinder/cinder/api/openstack/wsgi.py:721}}
Aug 04 21:05:42 ubuntu devstack@c-api.service[2327]: DEBUG cinder.api.openstack.wsgi [None req-49f2c39e-b80b-4808-95a4-92986d304763 admin admin] Calling method '<function version_select at 0x7fe8a2519758>' {{(pid=2332) _process_stack /opt/stack/cinder/cinder/api/openstack/wsgi.py:874}}
Aug 04 21:05:42 ubuntu devstack@c-api.service[2327]: ERROR cinder.api.middleware.fault [None req-49f2c39e-b80b-4808-95a4-92986d304763 admin admin] Caught error: <type 'exceptions.TypeError'> coercing to Unicode: need string or buffer, tuple found: TypeError: coercing to Unicode: need string or buffer, tuple found