Comment on Scala 2.11.0 Release NotesComments−jluxenberg12yBuried in the release notes is this gem: reflection via ClassTags wasn't (and still isn't) threadsafe in 2.10; this has been fixed in 2.11 (see http://docs.scala-lang.org/overviews/reflection/thread-safet...)−eugene_burmako12yClassTags were always thread-safe - they are simple wrappers over j.l.Class. TypeTags however were not, and that's supposed to be fixed in 2.11.0.−lmm12yGreat to hear that's been fixed - I saw an issue that was a manifestation of this, and in particular it made akka's experimental typed actors entirely unusable for my case.
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Buried in the release notes is this gem: reflection via ClassTags wasn't (and still isn't) threadsafe in 2.10; this has been fixed in 2.11 (see http://docs.scala-lang.org/overviews/reflection/thread-safet...)
ClassTags were always thread-safe - they are simple wrappers over j.l.Class. TypeTags however were not, and that's supposed to be fixed in 2.11.0.
Great to hear that's been fixed - I saw an issue that was a manifestation of this, and in particular it made akka's experimental typed actors entirely unusable for my case.