The error is
```
java.lang.IllegalStateException: Unable to process parts as no
multi-part configuration has been provided
  at org.apache.catalina.connector.Request.parseParts(Request.java:2788)
  at org.apache.catalina.connector.Request.getParts(Request.java:2754)
```

What were your steps?
What is the file type/size?
Is the issue reproducible using latest version?

On Wed, 18 Mar 2020 at 20:02, BBS Technik <[email protected]> wrote:
>
> Hi,
>
>
> When I start the file upload, a lot of entries are written in 
> openmeetings.log. However, I do not find the cause of the end of the session 
> for user 03FalkeSi.
> Perhaps an expert can take a quick look at the relevant section of the log 
> file (see below).
> Many thanks in advance.
>
> Greetings Ed
>
>
>
> ~~~~
>
> DEBUG 03-18 11:57:51.331 o.a.o.w.c.MainPanel:118 [0-5080-exec-102] - Sending 
> WebSocket PING
>
> DEBUG 03-18 11:58:07.733 o.a.o.w.p.MainPage:66 [0-5080-exec-111] - 
> MainPage::delayedLoad
>
> DEBUG 03-18 11:58:07.826 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-111] - Level 
> Admin :: [GRANTED]
>
> DEBUG 03-18 11:58:07.833 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-111] - Level 
> Admin :: [GRANTED]
>
> DEBUG 03-18 11:58:07.835 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-111] - Level 
> Admin :: [GRANTED]
>
> DEBUG 03-18 11:58:08.752 o.a.o.w.p.MainPage:101 [0-5080-exec-121] - 
> MainPage::onParameterArrival
>
> DEBUG 03-18 11:58:08.796 o.a.o.w.a.ClientManager:93 [.0-5080-exec-68] - 
> Adding online client: cab43279-e47e-4d2a-92b0-99975bdf87aa, room: null
>
> DEBUG 03-18 11:58:08.798 o.a.o.w.c.MainPanel:156 [.0-5080-exec-68] - 
> WebSocketBehavior::onConnect [uid: cab43279-e47e-4d2a-92b0-99975bdf87aa, 
> session: 6A8DE3E7772B65863BB0C122D0FD73C0, key: 
> org.apache.wicket.protocol.ws.api.registry.PageIdKey@c]
>
> DEBUG 03-18 11:58:08.803 o.a.o.w.p.MainPage:52 [0-5080-exec-125] - 
> MainPage::areaBehavior
>
> DEBUG 03-18 11:58:08.808 o.a.o.w.c.MainPanel:418 [0-5080-exec-125] - 
> updateContents:: npanels IS null ? false, client IS null ? false
>
> DEBUG 03-18 11:58:08.832 o.a.o.d.d.r.RoomDao:245 [0-5080-exec-125] - 
> getUserRoom : 4 || conference
>
> DEBUG 03-18 11:58:08.838 o.a.o.d.d.r.RoomDao:245 [0-5080-exec-125] - 
> getUserRoom : 4 || presentation
>
> DEBUG 03-18 11:58:08.845 o.a.o.d.d.r.RoomDao:181 [0-5080-exec-125] - 
> getAppointedRoomsByUser : UserID - 4
>
> DEBUG 03-18 11:58:08.906 o.a.o.w.c.MainPanel:165 [.0-5080-exec-68] - 
> WebSocketBehavior:: pingTimer is attached
>
> DEBUG 03-18 11:58:22.314 o.a.o.w.c.MainPanel:118 [0-5080-exec-102] - Sending 
> WebSocket PING
>
> DEBUG 03-18 11:58:24.584 o.a.o.w.p.MainPage:101 [0-5080-exec-111] - 
> MainPage::onParameterArrival
>
> DEBUG 03-18 11:58:26.063 o.a.o.w.a.ClientManager:193 [0-5080-exec-107] - 
> Removing online room client: cab43279-e47e-4d2a-92b0-99975bdf87aa, room: null
>
> DEBUG 03-18 11:58:26.064 o.a.o.w.a.ClientManager:148 [0-5080-exec-107] - 
> Removing online client: cab43279-e47e-4d2a-92b0-99975bdf87aa, roomId: null
>
> DEBUG 03-18 11:58:26.115 o.a.o.d.d.s.LdapConfigDao:70 [0-5080-exec-104] - 
> getActiveLdapConfigs
>
> DEBUG 03-18 11:58:26.142 o.a.o.w.c.MainPanel:200 [0-5080-exec-122] - 
> WebSocketBehavior::closeHandler [uid: cab43279-e47e-4d2a-92b0-99975bdf87aa, 
> session: 6A8DE3E7772B65863BB0C122D0FD73C0, key: 
> org.apache.wicket.protocol.ws.api.registry.PageIdKey@c]
>
> DEBUG 03-18 11:58:35.616 o.a.o.c.l.LdapLoginManager:177 [0-5080-exec-122] - 
> LdapLoginmanager.doLdapLogin
>
> DEBUG 03-18 11:58:35.696 o.a.o.c.l.LdapLoginManager:238 [0-5080-exec-122] - 
> getByLogin:: authenticated ? true, login = '03falkesi', domain = 1, user = 
> User [id=6, firstname=Silas, lastname=Falke, login=03falkesi, 
> pictureuri=null, deleted=false, languageId=1, address=Address [id=6, 
> country=AD, street=null, town= , zip= , deleted=false, email= , phone= ], 
> externalId=null, externalType=null, type=ldap]
>
> WARN 03-18 11:58:35.696 o.a.o.d.u.LocaleHelper:57 [0-5080-exec-122] - Invalid 
> country found: , will be replaced with: AD
>
> DEBUG 03-18 11:58:35.706 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-122] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:36.144 o.a.o.w.p.MainPage:66 [0-5080-exec-121] - 
> MainPage::delayedLoad
>
> DEBUG 03-18 11:58:36.505 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:36.506 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> GroupAdmin :: [DENIED]
>
> DEBUG 03-18 11:58:36.732 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:36.792 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:39.131 o.a.o.w.p.MainPage:101 [0-5080-exec-102] - 
> MainPage::onParameterArrival
>
> DEBUG 03-18 11:58:39.147 o.a.o.w.a.ClientManager:93 [0-5080-exec-126] - 
> Adding online client: f1f8a43f-a981-4709-962c-ec40ceb49427, room: null
>
> DEBUG 03-18 11:58:39.152 o.a.o.w.c.MainPanel:156 [0-5080-exec-126] - 
> WebSocketBehavior::onConnect [uid: f1f8a43f-a981-4709-962c-ec40ceb49427, 
> session: 9778CE2BD46525BFF646854C2A7D760F, key: 
> org.apache.wicket.protocol.ws.api.registry.PageIdKey@1]
>
> DEBUG 03-18 11:58:39.175 o.a.o.w.c.MainPanel:165 [0-5080-exec-107] - 
> WebSocketBehavior:: pingTimer is attached
>
> DEBUG 03-18 11:58:39.181 o.a.o.w.p.MainPage:52 [0-5080-exec-122] - 
> MainPage::areaBehavior
>
> DEBUG 03-18 11:58:39.238 o.a.o.w.c.MainPanel:418 [0-5080-exec-122] - 
> updateContents:: npanels IS null ? false, client IS null ? false
>
> DEBUG 03-18 11:58:39.888 o.a.o.d.d.r.RoomDao:245 [0-5080-exec-122] - 
> getUserRoom : 6 || conference
>
> DEBUG 03-18 11:58:39.909 o.a.o.d.d.r.RoomDao:245 [0-5080-exec-122] - 
> getUserRoom : 6 || presentation
>
> DEBUG 03-18 11:58:39.914 o.a.o.d.d.r.RoomDao:181 [0-5080-exec-122] - 
> getAppointedRoomsByUser : UserID - 6
>
> DEBUG 03-18 11:58:42.885 o.a.o.w.c.MainPanel:418 [0-5080-exec-104] - 
> updateContents:: npanels IS null ? false, client IS null ? false
>
> DEBUG 03-18 11:58:45.058 o.a.o.w.c.MainPanel:418 [0-5080-exec-121] - 
> updateContents:: npanels IS null ? false, client IS null ? false
>
> DEBUG 03-18 11:58:45.088 o.a.o.d.d.r.PollDao:87 [0-5080-exec-121] - :: 
> getPoll :: 7
>
> DEBUG 03-18 11:58:45.097 o.a.o.d.d.r.PollDao:98 [0-5080-exec-121] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:58:45.105 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:45.172 o.a.o.w.r.RoomPanel:320 [0-5080-exec-121] - public ? 
> true, ownedId ? null true
>
> DEBUG 03-18 11:58:46.002 o.a.o.d.d.f.FileItemDao:56 [0-5080-exec-121] - 
> getByOwner() started
>
> DEBUG 03-18 11:58:46.020 o.a.o.d.d.f.FileItemDao:51 [0-5080-exec-121] - 
> getByRoom roomId :: 7
>
> DEBUG 03-18 11:58:46.252 o.a.o.w.a.ClientManager:177 [0-5080-exec-121] - 
> Adding online room client: f1f8a43f-a981-4709-962c-ec40ceb49427, room: 7
>
> DEBUG 03-18 11:58:46.258 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> INFO 03-18 11:58:46.261 o.a.o.w.r.RoomPanel:658 [0-5080-exec-121] - Setting 
> rights for client:: [moderator] -> true
>
> DEBUG 03-18 11:58:47.599 o.a.o.w.r.RoomPanel:124 [.0-5080-exec-68] - 
> RoomPanel::roomEnter
>
> DEBUG 03-18 11:58:47.600 o.a.o.d.d.l.ConferenceLogDao:54 [.0-5080-exec-68] - 
> [add]: org.apache.openmeetings.db.entity.log.ConferenceLog@137c91b9
>
> DEBUG 03-18 11:58:47.611 o.a.o.c.u.WebSocketHelper:150 [.0-5080-exec-68] - 
> Sending WebSocket message: roomEnter
>
> DEBUG 03-18 11:58:47.648 o.a.o.w.r.RoomPanel:156 [.0-5080-exec-68] - 
> RoomPanel::roomEnter, mods IS EMPTY ? false, is MOD ? true
>
> DEBUG 03-18 11:58:47.689 o.a.o.d.d.f.FileItemDao:56 [Thread-66388] - 
> getByOwner() started
>
> DEBUG 03-18 11:58:47.690 o.a.o.d.d.f.FileItemDao:51 [Thread-66388] - 
> getByRoom roomId :: 7
>
> DEBUG 03-18 11:58:47.692 o.a.o.d.d.r.PollDao:104 [Thread-66388] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:58:47.694 o.a.o.d.d.r.PollDao:98 [Thread-66388] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:58:47.912 o.a.o.w.r.RoomBroadcaster:57 [0-5080-exec-116] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:58:47.919 o.a.o.c.u.WebSocketHelper:150 [0-5080-exec-116] - 
> Sending WebSocket message: rightUpdated f1f8a43f-a981-4709-962c-ec40ceb49427
>
> DEBUG 03-18 11:58:47.919 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66389] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:58:47.919 o.a.o.w.r.RoomBroadcaster:57 [0-5080-exec-116] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:58:47.922 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66392] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:58:47.922 o.a.o.w.r.RoomBroadcaster:57 [0-5080-exec-116] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:58:47.924 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66393] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:58:47.935 o.a.o.c.u.WebSocketHelper:150 [0-5080-exec-116] - 
> Sending WebSocket message: rightUpdated f1f8a43f-a981-4709-962c-ec40ceb49427
>
> DEBUG 03-18 11:58:47.958 o.a.o.d.d.r.PollDao:104 [Thread-66391] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:58:47.959 o.a.o.d.d.r.PollDao:98 [Thread-66391] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:58:47.982 o.a.o.d.d.r.PollDao:104 [Thread-66395] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:58:47.984 o.a.o.d.d.r.PollDao:98 [Thread-66395] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:58:48.287 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-102] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:48.745 o.a.o.c.u.WebSocketHelper:228 [.0-5080-exec-68] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:48.805 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-121] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:48.842 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-116] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:58:48.934 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-122] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:48.962 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-126] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:48.999 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-104] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:49.031 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-111] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:49.937 o.a.o.c.r.ScopeApplicationAdapter:343 
> [NioProcessor-2] - start: Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532729937, depth=2, enabled=true, 
> running=false]
>
> DEBUG 03-18 11:58:49.937 o.a.o.c.r.ScopeApplicationAdapter:565 
> [NioProcessor-2] - roomStart: Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532729937, depth=2, enabled=true, 
> running=false]
>
> DEBUG 03-18 11:58:49.938 o.a.o.c.r.ScopeApplicationAdapter:296 
> [NioProcessor-2] - connect: RTMPMinaConnection from 82.115.104.39 (in: 3567 
> out: 3073) session: OFMHPIF2KTPT2 state: connected > Scope 
> [name=openmeetings, path=/default, type=APPLICATION, autoStart=true, 
> creationTime=1583990836759, depth=1, enabled=true, running=true]
>
> INFO 03-18 11:58:49.939 o.a.o.c.r.ScopeApplicationAdapter:306 
> [NioProcessor-2] - W3C x-category:session x-event:connect c-ip:82.115.104.39 
> c-client-id:968
>
> DEBUG 03-18 11:58:49.939 o.a.o.c.r.ScopeApplicationAdapter:627 
> [NioProcessor-2] - appConnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3567 out: 3073) session: OFMHPIF2KTPT2 state: connected
>
> DEBUG 03-18 11:58:49.939 o.a.o.c.r.ScopeApplicationAdapter:693 
> [NioProcessor-2] - appJoin: Client: 968 >> Scope [name=openmeetings, 
> path=/default, type=APPLICATION, autoStart=true, creationTime=1583990836759, 
> depth=1, enabled=true, running=true]
>
> DEBUG 03-18 11:58:49.939 o.a.o.c.r.ScopeApplicationAdapter:296 
> [NioProcessor-2] - connect: RTMPMinaConnection from 82.115.104.39 (in: 3567 
> out: 3073) session: OFMHPIF2KTPT2 state: connected > Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532729937, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:58:49.940 o.a.o.c.r.ScopeApplicationAdapter:178 
> [NioProcessor-2] - roomConnect :
>
> DEBUG 03-18 11:58:49.940 o.a.o.c.r.ScopeApplicationAdapter:183 
> [NioProcessor-2] - ### Client connected to OpenMeetings, register Client 
> StreamId: 968 scope 7
>
> DEBUG 03-18 11:58:49.948 o.a.o.d.d.l.ConferenceLogDao:54 [NioProcessor-2] - 
> [add]: org.apache.openmeetings.db.entity.log.ConferenceLog@4d8cbf4e
>
> DEBUG 03-18 11:58:49.956 o.a.o.c.r.ScopeApplicationAdapter:718 
> [NioProcessor-2] - roomJoin: Client: 968 >> Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532729937, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:58:51.184 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-102] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:58:53.320 o.a.o.w.c.MainPanel:118 [0-5080-exec-121] - Sending 
> WebSocket PING
>
> ERROR 03-18 11:59:08.056 o.a.w.DefaultExceptionMapper:170 [0-5080-exec-126] - 
> Unexpected error occurred
>
> java.lang.IllegalStateException: Unable to process parts as no multi-part 
> configuration has been provided
>
> at org.apache.catalina.connector.Request.parseParts(Request.java:2788)
>
> at org.apache.catalina.connector.Request.getParts(Request.java:2754)
>
> at 
> org.apache.catalina.connector.RequestFacade.getParts(RequestFacade.java:1098)
>
> at 
> org.apache.wicket.protocol.http.servlet.MultipartServletWebRequestImpl.readServlet3Parts(MultipartServletWebRequestImpl.java:261)
>
> at 
> org.apache.wicket.protocol.http.servlet.MultipartServletWebRequestImpl.parseFileParts(MultipartServletWebRequestImpl.java:200)
>
> at org.apache.wicket.markup.html.form.Form.handleMultiPart(Form.java:1389)
>
> at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:741)
>
> at 
> com.googlecode.wicket.jquery.ui.widget.dialog.AbstractFormDialog.internalOnClick(AbstractFormDialog.java:215)
>
> at 
> com.googlecode.wicket.jquery.ui.widget.dialog.AbstractDialog$2.onClick(AbstractDialog.java:440)
>
> at 
> com.googlecode.wicket.jquery.ui.widget.dialog.DialogBehavior.onAjax(DialogBehavior.java:188)
>
> at 
> com.googlecode.wicket.jquery.core.ajax.JQueryAjaxBehavior.respond(JQueryAjaxBehavior.java:173)
>
> at 
> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:598)
>
> at 
> org.apache.wicket.core.request.handler.ListenerRequestHandler.internalInvoke(ListenerRequestHandler.java:306)
>
> at 
> org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:280)
>
> at 
> org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:222)
>
> at 
> org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208)
>
> at 
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:912)
>
> at 
> org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65)
>
> at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283)
>
> 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:199)
>
> 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$ConnectionHandler.process(AbstractProtocol.java:834)
>
> at 
> org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1774)
>
> at 
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
>
> at 
> org.apache.tomcat.util.net.AbstractEndpoint.processSocket(AbstractEndpoint.java:1048)
>
> at 
> org.apache.tomcat.util.net.Nio2Endpoint.setSocketOptions(Nio2Endpoint.java:333)
>
> at 
> org.apache.tomcat.util.net.Nio2Endpoint$Nio2Acceptor.completed(Nio2Endpoint.java:467)
>
> at 
> org.apache.tomcat.util.net.Nio2Endpoint$Nio2Acceptor.completed(Nio2Endpoint.java:422)
>
> at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
>
> at sun.nio.ch.Invoker$2.run(Invoker.java:218)
>
> at 
> sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
>
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>
> at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>
> at java.lang.Thread.run(Thread.java:748)
>
> DEBUG 03-18 11:59:08.081 o.a.o.w.c.MainPanel:200 [0-5080-exec-104] - 
> WebSocketBehavior::closeHandler [uid: f1f8a43f-a981-4709-962c-ec40ceb49427, 
> session: 9778CE2BD46525BFF646854C2A7D760F, key: 
> org.apache.wicket.protocol.ws.api.registry.PageIdKey@1]
>
> DEBUG 03-18 11:59:08.082 o.a.o.w.a.ClientManager:193 [0-5080-exec-104] - 
> Removing online room client: f1f8a43f-a981-4709-962c-ec40ceb49427, room: 7
>
> DEBUG 03-18 11:59:08.100 o.a.o.c.u.WebSocketHelper:150 [0-5080-exec-104] - 
> Sending WebSocket message: roomExit
>
> DEBUG 03-18 11:59:08.117 o.a.o.d.d.l.ConferenceLogDao:54 [0-5080-exec-104] - 
> [add]: org.apache.openmeetings.db.entity.log.ConferenceLog@4ac03c85
>
> DEBUG 03-18 11:59:08.130 o.a.o.w.a.ClientManager:148 [0-5080-exec-104] - 
> Removing online client: f1f8a43f-a981-4709-962c-ec40ceb49427, roomId: null
>
> DEBUG 03-18 11:59:08.212 o.a.o.c.r.ScopeApplicationAdapter:429 
> [NioProcessor-2] - disconnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3733 out: 3598) session: OFMHPIF2KTPT2 state: disconnecting < Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532729937, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:59:08.213 o.a.o.c.r.ScopeApplicationAdapter:686 
> [NioProcessor-2] - roomDisconnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3733 out: 3598) session: OFMHPIF2KTPT2 state: disconnecting
>
> DEBUG 03-18 11:59:08.213 o.a.o.c.r.ScopeApplicationAdapter:507 
> [NioProcessor-2] - leave: Client: 968 << Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532729937, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:59:08.216 o.a.o.c.r.ScopeApplicationAdapter:403 
> [NioProcessor-2] - [roomLeave] 968 0 /openmeetings/7 7
>
> DEBUG 03-18 11:59:08.216 o.a.o.c.r.ScopeApplicationAdapter:410 
> [NioProcessor-2] - currentClient IS NOT NULL
>
> DEBUG 03-18 11:59:08.216 o.a.o.c.r.ScopeApplicationAdapter:454 
> [NioProcessor-2] - [roomLeaveByScope] currentClient StreamClient [scope=7, 
> uid=2dbd3676-ae86-499f-afc3-fce79274202f, 
> sid=7d0ae10a-2904-4ab9-889f-ea15706ee01b, broadCastId=null, login=03falkesi, 
> userId=6, avsettings=av, type=room, isBroadcasting=true]
>
> DEBUG 03-18 11:59:08.217 o.a.o.c.u.WebSocketHelper:150 [NioProcessor-2] - 
> Sending WebSocket message: closeStream 
> {"uid":"2dbd3676-ae86-499f-afc3-fce79274202f","sid":"7d0ae10a-2904-4ab9-889f-ea15706ee01b"}
>
> DEBUG 03-18 11:59:08.219 o.a.o.c.r.ScopeApplicationAdapter:462 
> [NioProcessor-2] - removing Username 03falkesi Wed Mar 18 11:58:49 UTC 2020, 
> streamid: null
>
> DEBUG 03-18 11:59:08.219 o.a.o.c.r.ScopeApplicationAdapter:474 
> [NioProcessor-2] - currentScope Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532729937, depth=2, enabled=true, 
> running=true]
>
> DEBUG 03-18 11:59:08.222 o.a.o.c.r.ScopeApplicationAdapter:429 
> [NioProcessor-2] - disconnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3733 out: 3598) session: OFMHPIF2KTPT2 state: disconnecting < Scope 
> [name=openmeetings, path=/default, type=APPLICATION, autoStart=true, 
> creationTime=1583990836759, depth=1, enabled=true, running=true]
>
> INFO 03-18 11:59:08.223 o.a.o.c.r.ScopeApplicationAdapter:438 
> [NioProcessor-2] - W3C x-category:session x-event:disconnect 
> c-ip:82.115.104.39 c-client-id:968
>
> DEBUG 03-18 11:59:08.227 o.a.o.c.r.ScopeApplicationAdapter:673 
> [NioProcessor-2] - appDisconnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3733 out: 3598) session: OFMHPIF2KTPT2 state: disconnecting
>
> DEBUG 03-18 11:59:08.228 o.a.o.c.r.ScopeApplicationAdapter:507 
> [NioProcessor-2] - leave: Client: 968 << Scope [name=openmeetings, 
> path=/default, type=APPLICATION, autoStart=true, creationTime=1583990836759, 
> depth=1, enabled=true, running=true]
>
> DEBUG 03-18 11:59:08.228 o.a.o.c.r.ScopeApplicationAdapter:711 
> [NioProcessor-2] - appLeave: Client: 968 << Scope [name=openmeetings, 
> path=/default, type=APPLICATION, autoStart=true, creationTime=1583990836759, 
> depth=1, enabled=true, running=true]
>
> DEBUG 03-18 11:59:08.328 o.a.o.c.r.ScopeApplicationAdapter:459 
> [duler_Worker-31] - stop: 7
>
> DEBUG 03-18 11:59:08.328 o.a.o.c.r.ScopeApplicationAdapter:582 
> [duler_Worker-31] - roomStop: Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532729937, depth=2, enabled=true, 
> running=true]
>
> DEBUG 03-18 11:59:10.698 o.a.o.w.p.MainPage:66 [.0-5080-exec-68] - 
> MainPage::delayedLoad
>
> DEBUG 03-18 11:59:10.787 o.a.o.d.u.AuthLevelUtil:42 [.0-5080-exec-68] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:59:10.788 o.a.o.d.u.AuthLevelUtil:42 [.0-5080-exec-68] - Level 
> GroupAdmin :: [DENIED]
>
> DEBUG 03-18 11:59:10.796 o.a.o.d.u.AuthLevelUtil:42 [.0-5080-exec-68] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:59:10.803 o.a.o.d.u.AuthLevelUtil:42 [.0-5080-exec-68] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:59:11.586 o.a.o.w.p.MainPage:101 [0-5080-exec-104] - 
> MainPage::onParameterArrival
>
> DEBUG 03-18 11:59:11.627 o.a.o.w.p.MainPage:52 [0-5080-exec-111] - 
> MainPage::areaBehavior
>
> DEBUG 03-18 11:59:11.639 o.a.o.w.c.MainPanel:418 [0-5080-exec-111] - 
> updateContents:: npanels IS null ? false, client IS null ? true
>
> DEBUG 03-18 11:59:11.648 o.a.o.w.a.ClientManager:93 [0-5080-exec-107] - 
> Adding online client: b1a81d85-1d70-4d6f-879a-6505f8628b80, room: null
>
> DEBUG 03-18 11:59:11.650 o.a.o.w.c.MainPanel:156 [0-5080-exec-107] - 
> WebSocketBehavior::onConnect [uid: b1a81d85-1d70-4d6f-879a-6505f8628b80, 
> session: 9778CE2BD46525BFF646854C2A7D760F, key: 
> org.apache.wicket.protocol.ws.api.registry.PageIdKey@3]
>
> DEBUG 03-18 11:59:11.658 o.a.o.d.d.r.PollDao:87 [0-5080-exec-102] - :: 
> getPoll :: 7
>
> DEBUG 03-18 11:59:11.659 o.a.o.d.d.r.PollDao:98 [0-5080-exec-102] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:59:11.661 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-102] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:59:11.662 o.a.o.w.r.RoomPanel:320 [0-5080-exec-102] - public ? 
> true, ownedId ? null true
>
> DEBUG 03-18 11:59:11.682 o.a.o.d.d.f.FileItemDao:56 [0-5080-exec-102] - 
> getByOwner() started
>
> DEBUG 03-18 11:59:11.684 o.a.o.d.d.f.FileItemDao:51 [0-5080-exec-102] - 
> getByRoom roomId :: 7
>
> DEBUG 03-18 11:59:11.696 o.a.o.w.c.MainPanel:165 [0-5080-exec-102] - 
> WebSocketBehavior:: pingTimer is attached
>
> DEBUG 03-18 11:59:11.702 o.a.o.w.a.ClientManager:177 [0-5080-exec-102] - 
> Adding online room client: b1a81d85-1d70-4d6f-879a-6505f8628b80, room: 7
>
> DEBUG 03-18 11:59:11.705 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-102] - Level 
> Admin :: [DENIED]
>
> INFO 03-18 11:59:11.706 o.a.o.w.r.RoomPanel:658 [0-5080-exec-102] - Setting 
> rights for client:: [moderator] -> true
>
> DEBUG 03-18 11:59:12.304 o.a.o.w.r.RoomPanel:124 [0-5080-exec-125] - 
> RoomPanel::roomEnter
>
> DEBUG 03-18 11:59:12.305 o.a.o.d.d.l.ConferenceLogDao:54 [0-5080-exec-125] - 
> [add]: org.apache.openmeetings.db.entity.log.ConferenceLog@1c659041
>
> DEBUG 03-18 11:59:12.312 o.a.o.c.u.WebSocketHelper:150 [0-5080-exec-125] - 
> Sending WebSocket message: roomEnter
>
> DEBUG 03-18 11:59:12.353 o.a.o.w.r.RoomPanel:156 [0-5080-exec-125] - 
> RoomPanel::roomEnter, mods IS EMPTY ? false, is MOD ? true
>
> DEBUG 03-18 11:59:12.373 o.a.o.d.d.f.FileItemDao:56 [Thread-66427] - 
> getByOwner() started
>
> DEBUG 03-18 11:59:12.374 o.a.o.d.d.f.FileItemDao:51 [Thread-66427] - 
> getByRoom roomId :: 7
>
> DEBUG 03-18 11:59:12.376 o.a.o.d.d.r.PollDao:104 [Thread-66427] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:59:12.379 o.a.o.d.d.r.PollDao:98 [Thread-66427] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:59:12.609 o.a.o.w.r.RoomBroadcaster:57 [.0-5080-exec-68] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:59:12.610 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66428] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:59:12.618 o.a.o.c.u.WebSocketHelper:150 [.0-5080-exec-68] - 
> Sending WebSocket message: rightUpdated b1a81d85-1d70-4d6f-879a-6505f8628b80
>
> DEBUG 03-18 11:59:12.618 o.a.o.w.r.RoomBroadcaster:57 [.0-5080-exec-68] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:59:12.631 o.a.o.w.r.RoomBroadcaster:57 [.0-5080-exec-68] - 
> ----------- sendUpdatedClient
>
> DEBUG 03-18 11:59:12.632 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66431] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:59:12.634 o.a.o.c.r.ScopeApplicationAdapter:791 [Thread-66432] 
> - [MessageSender] -> 'Unable to send message to NULL scope' clientUpdated, 
> null
>
> DEBUG 03-18 11:59:12.634 o.a.o.c.u.WebSocketHelper:150 [.0-5080-exec-68] - 
> Sending WebSocket message: rightUpdated b1a81d85-1d70-4d6f-879a-6505f8628b80
>
> DEBUG 03-18 11:59:12.647 o.a.o.d.d.r.PollDao:104 [Thread-66430] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:59:12.649 o.a.o.d.d.r.PollDao:98 [Thread-66430] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:59:12.667 o.a.o.d.d.r.PollDao:104 [Thread-66434] - :: hasPoll 
> :: 7
>
> DEBUG 03-18 11:59:12.668 o.a.o.d.d.r.PollDao:98 [Thread-66434] - :: 
> getArchived :: 7
>
> DEBUG 03-18 11:59:12.898 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-107] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.275 o.a.o.c.u.WebSocketHelper:228 [.0-5080-exec-68] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.337 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-125] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.376 o.a.o.d.u.AuthLevelUtil:42 [0-5080-exec-121] - Level 
> Admin :: [DENIED]
>
> DEBUG 03-18 11:59:13.440 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-126] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.475 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-104] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.509 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-111] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:13.561 o.a.o.c.u.WebSocketHelper:228 [0-5080-exec-122] - 
> Sending WebSocket message: {"type":"wb"}
>
> DEBUG 03-18 11:59:14.542 o.a.o.c.r.ScopeApplicationAdapter:343 
> [NioProcessor-3] - start: Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532754542, depth=2, enabled=true, 
> running=false]
>
> DEBUG 03-18 11:59:14.542 o.a.o.c.r.ScopeApplicationAdapter:565 
> [NioProcessor-3] - roomStart: Scope [name=7, path=/default/openmeetings, 
> type=ROOM, autoStart=true, creationTime=1584532754542, depth=2, enabled=true, 
> running=false]
>
> DEBUG 03-18 11:59:14.543 o.a.o.c.r.ScopeApplicationAdapter:296 
> [NioProcessor-3] - connect: RTMPMinaConnection from 82.115.104.39 (in: 3567 
> out: 3073) session: Z4PUPRPTBXKSN state: connected > Scope 
> [name=openmeetings, path=/default, type=APPLICATION, autoStart=true, 
> creationTime=1583990836759, depth=1, enabled=true, running=true]
>
> INFO 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:306 
> [NioProcessor-3] - W3C x-category:session x-event:connect c-ip:82.115.104.39 
> c-client-id:969
>
> DEBUG 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:627 
> [NioProcessor-3] - appConnect: RTMPMinaConnection from 82.115.104.39 (in: 
> 3567 out: 3073) session: Z4PUPRPTBXKSN state: connected
>
> DEBUG 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:693 
> [NioProcessor-3] - appJoin: Client: 969 >> Scope [name=openmeetings, 
> path=/default, type=APPLICATION, autoStart=true, creationTime=1583990836759, 
> depth=1, enabled=true, running=true]
>
> DEBUG 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:296 
> [NioProcessor-3] - connect: RTMPMinaConnection from 82.115.104.39 (in: 3567 
> out: 3073) session: Z4PUPRPTBXKSN state: connected > Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532754542, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:178 
> [NioProcessor-3] - roomConnect :
>
> DEBUG 03-18 11:59:14.544 o.a.o.c.r.ScopeApplicationAdapter:183 
> [NioProcessor-3] - ### Client connected to OpenMeetings, register Client 
> StreamId: 969 scope 7
>
> DEBUG 03-18 11:59:14.548 o.a.o.d.d.l.ConferenceLogDao:54 [NioProcessor-3] - 
> [add]: org.apache.openmeetings.db.entity.log.ConferenceLog@31f94edd
>
> DEBUG 03-18 11:59:14.561 o.a.o.c.r.ScopeApplicationAdapter:718 
> [NioProcessor-3] - roomJoin: Client: 969 >> Scope [name=7, 
> path=/default/openmeetings, type=ROOM, autoStart=true, 
> creationTime=1584532754542, depth=2, enabled=true, running=true]
>
> DEBUG 03-18 11:59:24.330 o.a.o.w.c.MainPanel:118 [0-5080-exec-107] - Sending 
> WebSocket PING
>
> DEBUG 03-18 11:59:42.267 o.a.o.w.c.MainPanel:118 [0-5080-exec-102] - Sending 
> WebSocket PING
>
> DEBUG 03-18 11:59:55.316 o.a.o.w.c.MainPanel:118 [0-5080-exec-121] - Sending 
> WebSocket PING
>
>
>
> Gesendet: Mittwoch, 18. März 2020 um 02:40 Uhr
> Von: "Maxim Solodovnik" <[email protected]>
> An: "Openmeetings user-list" <[email protected]>
> Betreff: Re: file upload failes
> Hello Ed,
>
> What do you have in openmeetings.log?
> Is the issue reproducible at recent version?
>
> On Wed, 18 Mar 2020 at 02:13, BBS Technik <[email protected]> wrote:
> >
> > Hi,
> >
> > when I try to upload a normal document (200kb) to openmeetings, the process 
> > ends up with the error page
> > "Internal error
> > Return to home page "
> > and I have to login again to OM.
> >
> > The upload works with a file that is smaller than 1kb (10x10 px).
> >
> > I run OM Version 4.0.7 Revision 2bc5acd Builddate 2018-12-28T17: 10: 29Z in 
> > a Docker container. The resources at all are ok.
> >
> > Does anyone have an idea where I can fix the bug.
> >
> > Greetings Ed
>
>
>
> --
> WBR
> Maxim aka solomax



-- 
WBR
Maxim aka solomax

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