You need to increase this value https://github.com/apache/openmeetings/blob/master/openmeetings-web/src/main/webapp/WEB-INF/web.xml#L30
ugly solution Don't set too much, might kill your server On Thu, 28 May 2020 at 16:12, seba.wag...@gmail.com <seba.wag...@gmail.com> wrote: > Hi There! > > This is a know issue: > https://issues.apache.org/jira/browse/OPENMEETINGS-2358 > > We've been discussing addressing this. But unfortunate didn't get to it > yet. > > Cheers > Seb > > Sebastian Wagner > Director Arrakeen Solutions > http://arrakeen-solutions.co.nz/ > > <https://www.youracclaim.com/badges/da4e8828-743d-4968-af6f-49033f10d60a/public_url> > <https://www.youracclaim.com/badges/b7e709c6-aa87-4b02-9faf-099038475e36/public_url> > > > On Thu, 28 May 2020 at 20:56, kaffeesurrogat <kaffeesurro...@posteo.de> > wrote: > >> Hello everybody, >> >> long time no see ;-) Right now I'm now I'm using openmeetings on a daily >> basis. Always with two participants in a room, so this is still on small >> scale, but I'm really happy about it ;-) Some things fail, a restart is >> necessary, a mac had trouble sharing a screen or turning on the mix ... >> but hey ... ;-) Hard to say more, cause i don't want or can't bother my >> participants with debugging :-) >> >> One more problem: I've added a pdf to the whiteboard added some notes >> and would love to download it as an pdf including the notes. >> I choose ACTIONS -> DOWNLOAD AS PDF and ..... the connection is lost. >> >> catalina.out >> >> Exception in thread "Thread-3023" java.lang.IllegalStateException: The >> connection is closed. >> at >> org.apache.wicket.protocol.ws >> .javax.JavaxWebSocketConnection.checkClosed(JavaxWebSocketConnection.java:100) >> at >> org.apache.wicket.protocol.ws >> .javax.JavaxWebSocketConnection.sendMessage(JavaxWebSocketConnection.java:79) >> at >> >> org.apache.openmeetings.core.util.WebSocketHelper.doSend(WebSocketHelper.java:216) >> at >> >> org.apache.openmeetings.core.util.WebSocketHelper.lambda$sendAll$8(WebSocketHelper.java:182) >> at >> >> org.apache.openmeetings.core.util.WebSocketHelper.lambda$sendAll$9(WebSocketHelper.java:195) >> at >> org.apache.wicket.protocol.ws >> .WebSocketSettings$SameThreadExecutor.run(WebSocketSettings.java:393) >> at >> >> org.apache.openmeetings.core.util.WebSocketHelper.lambda$sendAll$10(WebSocketHelper.java:195) >> at java.base/java.lang.Thread.run(Thread.java:834) >> >> >> I'm using >> >> Version >> 5.0.0-M5-SNAPSHOT >> Revision >> 5300fde >> Build date >> 2020-04-27T18:48:36Z >> >> on ubuntu 18.04 LTS .... >> >> You need more information ? >> >> Many thanks again, >> >> kaffeesurrogat >> >> -- Best regards, Maxim