Keywords are garbage-collected if no references to them exist. I think this is as of Clojure 1.3, but I'm not sure exactly; perhaps it's always been true. You can see it easily enough at https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/Keyword.java#L32 - there's a map from symbols to *references* to keywords, not keywords themselves. Those (weak) references make the keywords themselves eligible for GC.
On Wednesday, January 16, 2013 9:51:59 AM UTC-8, Tony Pitluga wrote: > > From what I have read about keywords in Clojure, it does not seem like > they are garbage collected. The keyword params middleware seems to convert > user input into keywords. Putting two and two together, it seems like you > could DoS any server using this middleware by sending large amounts of > random strings as params. Eventually exhausting the memory of the JVM. > > This is a common security vulnerability in the Ruby world with converting > user input strings to symbols. Am I missing something here? > > Thanks, > Tony > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
