ThreadContext should use SoftReference instead of WeakReference
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Key: JRUBY-2261
URL: http://jira.codehaus.org/browse/JRUBY-2261
Project: JRuby
Issue Type: Bug
Reporter: Ola Bini
Assignee: Thomas E Enebo
Based on current discussions on #jruby, it seems that application servers have
a tendency to eagerly reap weak references. Since ThreadContext is weak, this
could be potentially extremely expensive meaning creating new ThreadContext and
adopting new threads at every request. Recent problems with memory leaks from
threads seems to support this even for a simpler web server like Jetty.
The solution is use to SoftReference instead of WeakReference.
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