@All, we need to agree on proper solution for this issue :)
On Mon, 25 Feb 2019 at 21:05, Maxim Solodovnik <solomax...@gmail.com> wrote: > Hello All, > > Here are some details > > by default Tomcat has limitation of 2Mb for post data [1] (maxPostSize) > You can change this in OM 4.0.x by changing conf/jee-container.xml > You need to add > <property name="connectorProperties"> > <map> > <entry key="maxPostSize" > value="40000000"/> > </map> > </property> > to '<bean name="httpConnector" .........>' > > This should fix Huge PDF download > > > According to PNG download: it can be done "by click" BUT > It will only 100% work if it will be dobe "via server" i.e. > 1) image will be prepared in client's browser > 2) uploaded to server > 3) then immediately downloaded > This "server round trip" might be very expensive > > You can see how proposed pop-up dialog will look like [2] > I can update demo-next with working prototype so you can try it :) > > > [1] https://tomcat.apache.org/tomcat-9.0-doc/config/http.html > [2] https://www.dropbox.com/s/r3pbftfvbp1fdj7/DownloadAsPng.png?dl=0 > > > On Fri, 22 Feb 2019 at 01:46, Daniel Ascher <aplusad...@aplustutoring.com> > wrote: > >> Okay. Thanks for letting me know. Dan >> >> On Thu, Feb 21, 2019 at 11:12 AM Maxim Solodovnik <solomax...@gmail.com> >> wrote: >> >>> The quality will not suffer >>> The image might be huge, but will be displayed as preview to consume >>> reasonable area on the screen >>> >>> The reason to display this dialog is: somehow "just save" is silently >>> fail in browser ..... >>> >>> On Thu, Feb 21, 2019, 22:58 Daniel Ascher <aplusad...@aplustutoring.com> >>> wrote: >>> >>>> I think this means that the PNG will be a relatively lower quality >>>> image than the PDF version. Is that correct? >>>> >>>> Also, is it possible to have a "Save" or "Download" button on the >>>> preview box, rather than telling the user to right-click? >>>> >>>> Thanks. Dan >>>> >>>> On Thu, Feb 21, 2019 at 9:07 AM Maxim Solodovnik <solomax...@gmail.com> >>>> wrote: >>>> >>>>> Thanks :)) >>>>> >>>>> Prepared image will have constant size something like 320x240, sort of >>>>> preview :) >>>>> >>>>> On Thu, Feb 21, 2019, 20:00 Peter Dähn <da...@vcrp.de> wrote: >>>>> >>>>>> ok.. now I got it... sorry for that... >>>>>> >>>>>> The prepared scaled image has the dimension of the current client >>>>>> view or the wb area? >>>>>> >>>>>> PS: much fun on your trip... >>>>>> >>>>>> Am 21.02.19 um 13:12 schrieb Maxim Solodovnik: >>>>>> >>>>>> Hello All, >>>>>> >>>>>> Am currently ooo (doing mountain skiing :) >>>>>> Will try to answer in one email >>>>>> >>>>>> 1 save as pdf works, but for huge pdfs it requires jee*.xml tuning >>>>>> >>>>>> 2 right-click "save as" will not work on white-board. >>>>>> As i wrote in initial email: >>>>>> >>>>>> when "Download as PNG" is clicked >>>>>> 1) image is being prepared on the client >>>>>> 2) small dialog with scaled image and text 'Please right click the >>>>>> image and choose "Save as"' is displayed to the user >>>>>> >>>>>> >>>>>> This is not yet implemented :) >>>>>> >>>>>> On Thu, Feb 21, 2019, 18:48 Peter Dähn <da...@vcrp.de> wrote: >>>>>> >>>>>>> "Save as" of smaller pics on wb also ends up with those empty pics. >>>>>>> But right after draw on it, wb with pic will be saved (doesn't help with >>>>>>> large pics). >>>>>>> >>>>>>> The download in the Files-tab works so far. >>>>>>> >>>>>>> >>>>>>> >>>>>>> But both JPG and original saves a .jpg-file!? >>>>>>> >>>>>>> Greetings Peter >>>>>>> >>>>>>> Am 21.02.19 um 09:19 schrieb Peter Dähn: >>>>>>> >>>>>>> and save as ends up in an empty png... this doesn't work as fix... >>>>>>> >>>>>>> >>>>>>> >>>>>>> Am 21.02.19 um 08:35 schrieb Peter Dähn: >>>>>>> >>>>>>> Hi there, >>>>>>> >>>>>>> Download as pdf doesn't work either... >>>>>>> >>>>>>> This one causes an error... >>>>>>> >>>>>>> ERROR 02-21 08:28:08.199 o.a.o.w.r.w.AbstractWbPanel:70 >>>>>>> [0.0-5443-exec-8] - Unexpected error while processing wbAction >>>>>>> java.lang.NullPointerException: Name is null >>>>>>> at java.base/java.lang.Enum.valueOf(Enum.java:238) >>>>>>> at >>>>>>> org.apache.openmeetings.web.room.wb.WbAction.valueOf(WbAction.java:21) >>>>>>> at >>>>>>> org.apache.openmeetings.web.room.wb.AbstractWbPanel$1.respond(AbstractWbPanel.java:65) >>>>>>> at >>>>>>> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:598) >>>>>>> at >>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.internalInvoke(ListenerRequestHandler.java:306) >>>>>>> at >>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:280) >>>>>>> at >>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:222) >>>>>>> at >>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208) >>>>>>> at >>>>>>> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:914) >>>>>>> at >>>>>>> org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65) >>>>>>> at >>>>>>> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:282) >>>>>>> at >>>>>>> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253) >>>>>>> at >>>>>>> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221) >>>>>>> at >>>>>>> org.apache.wicket.protocol.ws.AbstractUpgradeFilter.processRequestCycle(AbstractUpgradeFilter.java:70) >>>>>>> at >>>>>>> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:206) >>>>>>> at >>>>>>> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:299) >>>>>>> at >>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) >>>>>>> at >>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) >>>>>>> at >>>>>>> org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:84) >>>>>>> at >>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) >>>>>>> at >>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) >>>>>>> at >>>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) >>>>>>> at >>>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) >>>>>>> at >>>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:607) >>>>>>> at >>>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) >>>>>>> at >>>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) >>>>>>> at >>>>>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668) >>>>>>> at >>>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) >>>>>>> at >>>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) >>>>>>> at >>>>>>> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) >>>>>>> at >>>>>>> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) >>>>>>> at >>>>>>> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) >>>>>>> at >>>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415) >>>>>>> at >>>>>>> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) >>>>>>> at >>>>>>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) >>>>>>> at >>>>>>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) >>>>>>> at >>>>>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >>>>>>> at java.base/java.lang.Thread.run(Thread.java:834) >>>>>>> >>>>>>> >>>>>>> In general I think simply point to the "Save as" dialog isn't very >>>>>>> handy. >>>>>>> >>>>>>> Greetings Peter >>>>>>> >>>>>>> Am 21.02.19 um 06:24 schrieb Stefan Kühl: >>>>>>> >>>>>>> Morning ;-) >>>>>>> >>>>>>> Great, that should work fine. >>>>>>> >>>>>>> Greetz >>>>>>> >>>>>>> Stefan >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> Am 21.02.2019 05:31, schrieb Maxim Solodovnik: >>>>>>> >>>>>>> Hello All, >>>>>>> >>>>>>> Recently Daniel Asher find out download whiteboard as png is not >>>>>>> working for huge white board >>>>>>> (10MB is huge :)) [1 >>>>>>> <https://issues.apache.org/jira/browse/OPENMEETINGS-2018>] >>>>>>> >>>>>>> This seems to be sort of browser limitation, there is no error or >>>>>>> whatever, download just silently fail for big white boards >>>>>>> >>>>>>> What I propose is to change the behavior of 'Download as PNG' as >>>>>>> follows: >>>>>>> when "Download as PNG" is clicked >>>>>>> 1) image is being prepared on the client >>>>>>> 2) small dialog with scaled image and text 'Please right click the >>>>>>> image and choose "Save as"' is displayed to the user >>>>>>> >>>>>>> WDYT? >>>>>>> >>>>>>> [1] https://issues.apache.org/jira/browse/OPENMEETINGS-2018 >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>> >>>> -- >>>> Daniel Ascher, M.Ed. >>>> President >>>> A+ Test Prep and Tutoring >>>> "Creating Bright Futures" >>>> >>>> 505 York Road, Suite 6 >>>> Jenkintown, PA 19046 >>>> Office: 215.886.9188 >>>> Direct: 267.242.9640 >>>> Click here to schedule a phone call with me. >>>> <https://www.aplustutoring.com/meetings/aplusadmin/phone-call> >>>> Sign Up for A+ News and Test Prep Tips! >>>> <https://www.aplustutoring.com/educational-blog-articles-subscription> >>>> <http://aplustutoring.com> >>>> >>> >> >> -- >> Daniel Ascher, M.Ed. >> President >> A+ Test Prep and Tutoring >> "Creating Bright Futures" >> >> 505 York Road, Suite 6 >> Jenkintown, PA 19046 >> Office: 215.886.9188 >> Direct: 267.242.9640 >> Click here to schedule a phone call with me. >> <https://www.aplustutoring.com/meetings/aplusadmin/phone-call> >> Sign Up for A+ News and Test Prep Tips! >> <https://www.aplustutoring.com/educational-blog-articles-subscription> >> <http://aplustutoring.com> >> > > > -- > WBR > Maxim aka solomax > -- WBR Maxim aka solomax
