Hi, Nothing to add to Paul's answer. I found the tip of replacing the intern() method by the use of a hashmap in the excellent site of Roedy Green :
http://mindprod.com/jgloss/interned.html#WHY (end of the page) Michaël Paul Austin a écrit : > Andreas, > > PermGen space is the area that the Java virtual machine uses to store > class file definitions and things like interned Strings. > > If you are using commons-logging in say tomcat then there can be cases > where classes in your web application are referenced by classes in the > servlet container itself. If this happens if you redeploy your > application many times then the old versions of the classes from your > web app can't be garbage collected (PermGen space items can be garbage > collected) so eventually the PermGen space fills up. > > Paul > > Andreas Schmitz wrote: >> Michaël Michaud wrote: >> >> Hi, >> >> first of all, thanks for the effort of making OpenJUMP faster! >> >> >>> ==> permgen memory cannot be cleaned (no way to free the permgen space if >>> the >>> layer is deleted) >>> >> Do you know of a good reference of how the different memory types work/what >> they're used for? We're sometimes also struggling with PermGen space errors, >> and >> don't really have a clue what they're about (just increasing the space >> usually >> works well enough)... >> >> Best regards, Andreas >> >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> <http://moblin-contest.org/redirect.php?banner_id=100&url=/> >> >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> <mailto:Jump-pilot-devel@lists.sourceforge.net> >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > ------------------------------------------------------------------------ > > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
