Re: [Bug 51919] Random ConcurrentModificationException or NoSuchElementException in CookieManager#removeMatchingCookies when using Concurrent Download
sebb <[email protected]> Sun, 2 Oct 2011 14:49:20 +0100
| Newsgroups | gmane.comp.jakarta.cactus.devel |
|---|---|
| Message-ID | <CAOGo0VbO968Pg5V_Kp49AO-4ZzLm6QfVLBbpcvX2SC=eYaD6dA@mail.gmail.com> |
On 1 October 2011 14:33, Philippe Mouawad <[email protected]> wrote: > A little additional note, > There is an implementation of Concurrent map by doug lea in concurrent.jar > called ConcurrentReaderHashMap > that has same performance as HashMap in read and a little less on write. > But performances are much better than ConcurrentHashMap. > So maybe a better alternative but requires concurrent-1.3.4.jar from: > > - > http://g.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html > That looks interesting, however the licensing is not at all clear to me, and AFAICT we would only want the one class, not the entire jar. So it's quite a lot of extra complication for what is just a local optimisation.