Here is a quick (and a bit dirty) Rake task to track the acts_as_solr built-in Jetty server log:
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If you put that in e.g.
lib/tasks/solr_additions.rake, you can then do
rake solr:tail to see the last couple of queries to the Solr server. The output will update as new queries come in (courtesy of
tail -f); break out of it with