I checked the following:
wget <link> works, I can download the file. It's not saved as <Historyname>.tar.gz but as "export_archive?id=a69ee3e00cb4d02c". Anyway, I can unpack the archive with tar xfvz.
Änderung: 5955:949e4f5fa03a Marke: tip Nutzer: Nate Coraor firstname.lastname@example.org Datum: Mon Aug 29 14:42:04 2011 -0400 Zusammenfassung: Missing import in library_contents.py
Where can I find the file (I assume?) paster.log?
Best place to look for the error is in the job table. Try this query for your database:
-- select id, state, command_line, stdout, stderr from job where tool_id='__EXPORT_HISTORY__' order by id desc; --
and look at the stderr column for some information about the problem. Please send us the command line and the stderr for the problematic jobs; this should help us figure out what's going on.