Page caching of home (index) page causes driver operation failures due to
contention on static file
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Key: OLIO-102
URL: https://issues.apache.org/jira/browse/OLIO-102
Project: Olio
Issue Type: Bug
Components: rails-app
Reporter: Mandy Waite
Assignee: Mandy Waite
With page caching enabled for the home page, homePage, eventDetail and
tagSearch operations would frequently fail with timeouts or file not found
errors. All 3 of these operations potentially retrieve the home page. The
cached home page (index.html) is served by the Web Server (tested with Lighttpd
and NginX) but the file is constantly being updated as the cache is
invalidated, this allowed a situation to arise where the Web Server would go to
serve the file only to find it no longer there. This causes homePage ops to
fail and the value of selectedEvent in the driver code to be set an
indeterminate value. selectedEvent is used by tagSearch and eventDetail ops. If
selectedEvent == null then they also lookup the homepage.
Because of this issue, by default the "caches_page" statement in
events_controller.rb is commented out.
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