id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release
4817,Python exception when change is tied to an attached file,eblot,coderanger,Here the traceback that is dumped when a change related to an attached file is deleted:\r\n{{{\r\nTraceback (most recent call last):\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/api.py"_ line 367_ in send_error\r\n    'text/html')\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/chrome.py"_ line 728_ in render_template\r\n    if not req.session or not int(req.session.get('accesskeys'_ 0)):\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/api.py"_ line 194_ in __getattr__\r\n    value = self.callbacks[name](self)\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/main.py"_ line 267_ in _get_session\r\n    return Session(self.env_ req)\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/session.py"_ line 157_ in __init__\r\n    self.get_session(req.authname_ authenticated=True)\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/session.py"_ line 173_ in get_session\r\n    super(Session_ self).get_session(sid_ authenticated)\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/web/session.py"_ line 56_ in get_session\r\n    (sid_ int(authenticated)))\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/db/util.py"_ line 50_ in execute\r\n    return self.cursor.execute(sql_escape_percent(sql)_ args)\r\n  File "/usr/local/virtualenv/lib/python2.5/site-packages/Trac-0.11.4rc1-py2.5.egg/trac/db/util.py"_ line 50_ in execute\r\n    return self.cursor.execute(sql_escape_percent(sql)_ args)\r\nInternalError: current transaction is aborted_ commands ignored until end of transaction block\r\n}}}\r\n\r\nIt occurs whether the change is deleted_ on the attachment field of the change is deleted,defect,closed,normal,TicketDeletePlugin,normal,wontfix,,,0.11