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Groups > comp.lang.java.programmer > #14833
| From | "Mike Schilling" <mscottschilling@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Proposed new Java feature |
| Date | 2012-05-27 11:00 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <jptq42$1jo$1@dont-email.me> (permalink) |
| References | <jprnu7$uv8$1@dont-email.me> <jptkmp$vbg$1@dont-email.me> |
"markspace" <-@.> wrote in message news:jptkmp$vbg$1@dont-email.me... > On 5/26/2012 4:11 PM, Mike Schilling wrote: > >> Proposed feature: a static method on Thread that clears all ThreadLocals >> for >> the current thread. >> > > > I can see your points. However, I don't have any real experience with > ThreadLocal, and when a neophyte agrees with your argument, that's a red > flag. > > Here's a blog where someone seems to have the same issue as you. > > <http://weblogs.java.net/blog/jjviana/archive/2010/06/10/threadlocal-thread-pool-bad-idea-or-dealing-apparent-glassfish-memor> > > At the end of the comments, there's a suggestion to use > ThreadLocal::remove(), with the implication that it allows the thread > local variable to be garbage collection. Is there a reason that doesn't > work for you? That acts on an individual ThreadLocal (and works quite well), but it doens't allow removing all ThreadLocals that might have been accumlated. > > My other thought is that "for the current thread" could be improved with > "for a given thread." So, inside an Executor, I can just call > > Thread t = ... > // .. use the thread .. > Thread.removeLocals( t ); > // now add the thread back into the pool... > > And this seems better because I don't have to rely on the users of a > thread remembering to do it themselves. External control seems better > here. > Same comment. What I'm asking for is Thread.removeLocals(), which doesn't currently exist.
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Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-26 16:11 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-27 13:32 +0200
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-27 11:14 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-28 12:13 +0200
Re: Proposed new Java feature v_borchert@despammed.com (Volker Borchert) - 2012-06-04 20:16 +0000
Re: Proposed new Java feature markspace <-@.> - 2012-05-27 09:28 -0700
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-27 11:00 -0700
Re: Proposed new Java feature Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-05-27 11:46 -0700
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-27 12:04 -0700
Re: Proposed new Java feature Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-05-27 15:30 -0400
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-27 12:59 -0700
Re: Proposed new Java feature Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-05-27 17:51 -0400
Re: Proposed new Java feature markspace <-@.> - 2012-05-27 15:20 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-28 12:13 +0200
Re: Proposed new Java feature markspace <-@.> - 2012-05-28 08:28 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-28 19:29 +0200
Re: Proposed new Java feature markspace <-@.> - 2012-05-28 12:16 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-28 22:58 +0200
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-28 21:40 -0700
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-29 22:52 +0200
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-29 18:53 -0700
Re: Proposed new Java feature Tom Anderson <twic@urchin.earth.li> - 2012-05-27 23:27 +0100
Re: Proposed new Java feature Robert Klemme <shortcutter@googlemail.com> - 2012-05-28 12:22 +0200
Re: Proposed new Java feature "Mike Schilling" <mscottschilling@hotmail.com> - 2012-05-27 21:43 -0700
Re: Proposed new Java feature Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2012-05-29 14:32 +0000
Re: Proposed new Java feature Tom Anderson <twic@urchin.earth.li> - 2012-05-27 18:43 +0100
Re: Proposed new Java feature Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2012-06-02 12:41 -0700
Re: Proposed new Java feature markspace <-@.> - 2012-06-02 15:55 -0700
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