I'm afraid we have too much Ajax :( Lets wait for Wicket 6.2 Then I'll add AjaxDownloader and hopefully this issue will be resolved.
On Thu, Oct 18, 2012 at 5:15 PM, [email protected] < [email protected]> wrote: > There is an issue with the BackupPanel, the UI is locked as soon as you > click on the download backup button. > https://issues.apache.org/jira/browse/OPENMEETINGS-450 > > Sebastian > > 2012/10/17 Maxim Solodovnik <[email protected]> > > > Hello Sebastian. > > There is no need to update wicket right now, all our code works as > expected > > On Oct 17, 2012 5:46 PM, "[email protected]" <[email protected]> > > wrote: > > > > > Hi Martin, > > > > > > thanks for committing a patch that fast! > > > I see your patch at: http://markmail.org/message/ntjpnxce6uw44ejt > > > But I don't know what SNAPSHOTs are compiled from that one. > > > Will this fix be in the next 6.2.0-SNAPSHOT or 6.0.0-SNAPSHOT ? > > > > > > We sync our dependencies from: > > > > > > > > > https://repository.apache.org/content/groups/snapshots/org/apache/wicket/wicket/ > > > > > > Where is your > > > > > > Thanks! > > > Sebastian > > > > > > 2012/10/17 Martin Grigorov <[email protected]> > > > > > > > There was a response from Maxim from OpenMeetings team, but > > > > [email protected] was not in CC: > > > > > > > > <copy> > > > > Hello Martin, > > > > > > > > I have modified the code and have removed AjaxDownloader (since it is > > not > > > > really necessary). > > > > NullPointerException somehow happens while post parameters parsing > > > > (getCallbackURL) is not working anymore. > > > > > > > > I believe this is somehow connected with custom HomePageMapper > > > > > > > > > > > > > > > > > > https://svn.apache.org/viewvc/incubator/openmeetings/trunk/singlewebapp/src/org/apache/openmeetings/web/app/Application.java?revision=1384647&view=markup > > > > > > > > line 62 and below. > > > > Maybe you can help me with this? > > > > > > > > I have added HomePageMapper to implement "single page application" > and > > > > remove all URL parameters automaticatilly being added by Wicket. > > > > > > > > Thanks in advance > > > > > > > > </copy> > > > > > > > > > > > > Hi Maxim, > > > > > > > > The NullPointerException is while Wicket tries to read the POST > > > > parameters. The request mappers manipulate only the GET parameters, > so > > > > I think it is not related. > > > > I've just checked Jetty 7.6.3 sources and they return String[0] so it > > > > should be OK in this particular version of Jetty. But I'll add the > > > > check anyway with https://issues.apache.org/jira/browse/WICKET-4818 > > > > > > > > On Wed, Oct 17, 2012 at 9:16 AM, Martin Grigorov < > [email protected] > > > > > > > wrote: > > > > > Hi, > > > > > > > > > > On Tue, Oct 16, 2012 at 7:59 PM, [email protected] > > > > > <[email protected]> wrote: > > > > >> Hi, > > > > >> > > > > >> I did follow this tutorial to create a download via Ajax in a > form: > > > > >> > > > > > > > > > > https://cwiki.apache.org/confluence/display/WICKET/AJAX+update+and+file+download+in+one+blow > > > > >> > > > > >> The slightly modified code can be seen here: > > > > >> > > > > > > > > > > https://svn.apache.org/viewvc/incubator/openmeetings/trunk/singlewebapp/src/org/apache/openmeetings/web/components/admin/backup/BackupPanel.java?view=markup > > > > >> Line 127 "download.initialize(target);" is called. > > > > > > > > > > It seems you have modified BackupPanel. There is no code like > > > > > "download.initialize(target)" > > > > > > > > > >> > > > > >> The rest seems to me similar to the example, except for that I set > > the > > > > File > > > > >> is set dynamically with every Ajax request. > > > > >> > > > > >> The File itself does exist and is created correctly. > > > > >> > > > > >> However Wicket throws this wired exception: > > > > >> http://pastebin.com/raw.php?i=Fijqjd5y > > > > > > > > > > NullPointerException is not something one should expect so it is a > > bug. > > > > > According to > > > > > > > > > > https://github.com/apache/wicket/blob/build/wicket-6.0.0/wicket-core/src/main/java/org/apache/wicket/protocol/http/servlet/ServletWebRequest.java#L321 > > > > > its cause is that HttpServletRequest.getParametersMap() returns a > Map > > > > > with an entry with value == null. I'm not sure in what cases this > can > > > > > happen but I'll add a check for null there. > > > > > > > > > >> > > > > >> The trace seems to be an internal Wicket error. Is this a Bug > inside > > > > Wicket? > > > > >> > > > > >> Sebastian > > > > >> -- > > > > >> Sebastian Wagner > > > > >> https://twitter.com/#!/dead_lock > > > > >> http://www.webbase-design.de > > > > >> http://www.wagner-sebastian.com > > > > >> [email protected] > > > > > > > > > > > > > > > > > > > > -- > > > > > Martin Grigorov > > > > > jWeekend > > > > > Training, Consulting, Development > > > > > http://jWeekend.com > > > > > > > > > > > > > > > > -- > > > > Martin Grigorov > > > > jWeekend > > > > Training, Consulting, Development > > > > http://jWeekend.com > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: [email protected] > > > > For additional commands, e-mail: [email protected] > > > > > > > > > > > > > > > > > -- > > > Sebastian Wagner > > > https://twitter.com/#!/dead_lock > > > http://www.webbase-design.de > > > http://www.wagner-sebastian.com > > > [email protected] > > > > > > > > > -- > Sebastian Wagner > https://twitter.com/#!/dead_lock > http://www.webbase-design.de > http://www.wagner-sebastian.com > [email protected] > -- WBR Maxim aka solomax
