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Groups > comp.lang.java.programmer > #20138

Re: A HashMap isn't storing all of the entries.

From "John B. Matthews" <nospam@nospam.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: A HashMap isn't storing all of the entries.
Date 2012-12-06 14:22 -0500
Organization The Wasteland
Message-ID <nospam-2DE866.14224606122012@news.aioe.org> (permalink)
References <1c2ba883-7e16-4312-90dc-8d87f52bfd05@googlegroups.com> <cda45a45-462f-4eb8-8db9-c37443a43191@googlegroups.com>

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In article <cda45a45-462f-4eb8-8db9-c37443a43191@googlegroups.com>,
 Stryder <stryder100@gmail.com> wrote:

> On Wednesday, December 5, 2012 6:29:23 PM UTC-5, Stryder wrote:
> [...]
> I got it to work by increasing the initial number of entries in the 
> HashMap constructor, so the question is pretty much academic unless I 
> encounter it again. But I'd be interested if anyone knows the answer.

If the problem abated after reducing latency in growing the Map, one 
might suspect a data race. If your Map is used to construct a Swing 
component model, for example, you should rule out this common fault:

<http://docs.oracle.com/javase/tutorial/uiswing/concurrency/initial.html>

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

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Thread

A HashMap isn't storing all of the entries. Stryder <stryder100@gmail.com> - 2012-12-05 15:29 -0800
  Re: A HashMap isn't storing all of the entries. Stryder <stryder100@gmail.com> - 2012-12-05 15:37 -0800
    Re: A HashMap isn't storing all of the entries. "John B. Matthews" <nospam@nospam.invalid> - 2012-12-06 14:22 -0500
  Re: A HashMap isn't storing all of the entries. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-12-06 00:48 +0100
    Re: A HashMap isn't storing all of the entries. Lew <lewbloch@gmail.com> - 2012-12-05 16:05 -0800
  Re: A HashMap isn't storing all of the entries. Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-12-05 21:07 -0500
    Re: A HashMap isn't storing all of the entries. Stryder <stryder100@gmail.com> - 2012-12-06 05:09 -0800
      Re: A HashMap isn't storing all of the entries. Lew <lewbloch@gmail.com> - 2012-12-06 10:54 -0800
        Re: A HashMap isn't storing all of the entries. Roedy Green <see_website@mindprod.com.invalid> - 2012-12-08 01:01 -0800
          Re: A HashMap isn't storing all of the entries. Arne Vajhøj <arne@vajhoej.dk> - 2012-12-10 15:32 -0500
        Re: A HashMap isn't storing all of the entries. Roedy Green <see_website@mindprod.com.invalid> - 2012-12-08 02:10 -0800
          Re: A HashMap isn't storing all of the entries. Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-12-10 09:33 -0800
          Re: A HashMap isn't storing all of the entries. Arne Vajhøj <arne@vajhoej.dk> - 2012-12-10 15:35 -0500
      Re: A HashMap isn't storing all of the entries. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-12-07 03:50 +0100
        Re: A HashMap isn't storing all of the entries. Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-12-06 23:46 -0500

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