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A part of the released version of the Pipeline Front End (v0r3p4) broke after a Microsoft server patch to glast05. The problem surfaced due to the HTTP session being destroyed and re-created on each HTTP request. I'm not sure which patch was responsible, as several are applied each week. A user first noticed this issue, which is documented in JIRA as http://jira.slac.stanford.edu/browse/PFE-49
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The part of PFE that broke was remembering the user's selected pipeline server, being one of "prod", "dev" or "test". Since the user's session was always being destroyed, the default value of "prod" was always being used, making it impossible for users to upload pipeline configurations to the "dev" and "test" servers.
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