You could install it as extension so that it's not loaded with each script. Go you admin, Add Extension and use advanced search with id com.gmongo:gmongo and version 1.0 (or any other version you want).
Another possibility is to download gmongo and MongoDB Java Driver jars and put them into /WEB-INF/lib/. On Thu, Sep 26, 2013 at 10:17 AM, Quân Lê <[email protected]> wrote: > Thanks. > But now I don't know any other way to get and access MongoDB in xwiki. > Any links or documents? > > > 2013/9/26 Thomas Mortagne <[email protected]> > >> Your issue may be caused by @Grab, that download and load jars into the >> permgen. >> >> On Thu, Sep 26, 2013 at 9:58 AM, Quân Lê <[email protected]> wrote: >> > I tried with XX:MaxPermSize=256M but with 1 request per 2sec. >> > The PermGen memory is going like 15mb/min. >> > All the code of responing page is just like this: >> > {{groovy}} >> > @Grab(group='com.gmongo', module='gmongo', version='1.0') >> > import com.gmongo.GMongo >> > import groovy.json.* >> > >> > def data = [] // a list contain data >> > >> > def gmongo = new GMongo() >> > def dbConn = gmongo.getDB('dbtest') >> > // Not query database but it already go crazy >> > gmongoObject.close() >> > >> > // For GC >> > dbConn = null >> > gmongoObject = null >> > >> > // Convert into JSON >> > def slurper = new JsonSlurper() >> > def builder = new JsonBuilder(data) >> > println builder.toString() >> > >> > // For GC >> > slurper = null >> > builder = null >> > {{/groovy}} >> > >> > >> > 2013/9/26 Thomas Mortagne <[email protected]> >> > >> >> Well without changing your script all I can suggest is to allocate >> >> more permgen to java using >> >> >> >> -XX:MaxPermSize=<enough memory>M >> >> >> >> >> >> On Thu, Sep 26, 2013 at 9:25 AM, Quân Lê <[email protected]> wrote: >> >> > Thank you >> >> > It's true that the more script responing page processes, the more >> classes >> >> > are loaded. >> >> > Is there anyway to prevent OutOfmemory Exception happened? >> >> > >> >> > >> >> > 2013/9/26 Thomas Mortagne <[email protected]> >> >> > >> >> >> I doubt it has anything to do with the request itself, it's probably >> >> >> more related to what your page is doing. From what I understand your >> >> >> page create directly or indirectly new classes. Note that most script >> >> >> languages compile the script into a new Java class before executing >> it >> >> >> so if you execute a lot of very big scripts at the same time it can >> >> >> probably be pretty costy for the permgen. Something else that could >> be >> >> >> costy is if you load a jar in this page for example with the "jars" >> >> >> property of script macros. >> >> >> >> >> >> On Thu, Sep 26, 2013 at 8:53 AM, lequan.moon <[email protected]> >> >> >> wrote: >> >> >> > Hi, >> >> >> > I'm making an application that make an AJAX request frequently from >> >> page >> >> >> to >> >> >> > page in xwiki. >> >> >> > About 1 per 10s >> >> >> > The request look like this: >> >> >> > >> >> >> > $.ajax({ >> >> >> > type: "GET", >> >> >> > crossDomain: true, >> >> >> > url: "/xwiki/bin/get/Lib/LibPage?outputSyntax=plain", >> >> >> > dataType: 'text', >> >> >> > data: data2send, >> >> >> > success: function(result) {...}, >> >> >> > error: function(xhr, status, error) { >> >> >> > console.log(error) >> >> >> > console.log(status) >> >> >> > console.log(xhr) >> >> >> > } >> >> >> > }); >> >> >> > >> >> >> > And respone is simple as a text or something like a JSON Map, List. >> >> >> > I took a look at jconsole and here it is >> >> >> > < >> >> >> >> >> >> http://xwiki.475771.n2.nabble.com/file/n7587262/9-26-2013_1-51-09_PM.jpg> >> >> >> > >> >> >> > Please help! I don't understand how xwiki works on this. >> >> >> > >> >> >> > Thank in advanced. >> >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> > -- >> >> >> > View this message in context: >> >> >> >> >> >> http://xwiki.475771.n2.nabble.com/Frrequently-AJAX-request-caused-PernGen-Exception-OutOfMemory-tp7587262.html >> >> >> > Sent from the XWiki- Dev mailing list archive at Nabble.com. >> >> >> > _______________________________________________ >> >> >> > devs mailing list >> >> >> > [email protected] >> >> >> > http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> >> Thomas Mortagne >> >> >> _______________________________________________ >> >> >> devs mailing list >> >> >> [email protected] >> >> >> http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> >> > >> >> > >> >> > >> >> > -- >> >> > ======Lê Minh Quân====== >> >> > _______________________________________________ >> >> > devs mailing list >> >> > [email protected] >> >> > http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> >> >> >> >> -- >> >> Thomas Mortagne >> >> _______________________________________________ >> >> devs mailing list >> >> [email protected] >> >> http://lists.xwiki.org/mailman/listinfo/devs >> >> >> > >> > >> > >> > -- >> > ======Lê Minh Quân====== >> > _______________________________________________ >> > devs mailing list >> > [email protected] >> > http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> -- >> Thomas Mortagne >> _______________________________________________ >> devs mailing list >> [email protected] >> http://lists.xwiki.org/mailman/listinfo/devs >> > > > > -- > ======Lê Minh Quân====== > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs -- Thomas Mortagne _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
