Hi,
I got an error while tryng to access to a server using RTPtool.net server connection (with WebRTC enabled). the connection failed with this error message:
java.lang.ClassCastException: class java.util.HashMap cannot be cast to class net.rptools.maptool.model.Campaign (java.util.HashMap is in module java.base of loader 'bootstrap'; net.rptools.maptool.model.Campaign is in unnamed module of loader 'app')
at net.rptools.maptool.client.ClientMethodHandler.lambda$handleMethod$2(ClientMethodHandler.java:328)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at net.rptools.maptool.client.swing.MapToolEventQueue.dispatchEvent(MapToolEventQueue.java:54)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$2.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport.enter(Unknown Source)
at java.desktop/java.awt.Dialog.show(Unknown Source)
at java.desktop/java.awt.Component.show(Unknown Source)
at java.desktop/java.awt.Component.setVisible(Unknown Source)
at java.desktop/java.awt.Window.setVisible(Unknown Source)
at java.desktop/java.awt.Dialog.setVisible(Unknown Source)
at net.rptools.maptool.client.swing.MapToolEventQueue.displayPopup(MapToolEventQueue.java:109)
at net.rptools.maptool.client.swing.MapToolEventQueue.dispatchEvent(MapToolEventQueue.java:73)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$2.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.desktop/java.awt.WaitDispatchSupport.enter(Unknown Source)
at java.desktop/java.awt.Dialog.show(Unknown Source)
at java.desktop/java.awt.Component.show(Unknown Source)
at java.desktop/java.awt.Component.setVisible(Unknown Source)
at java.desktop/java.awt.Window.setVisible(Unknown Source)
at java.desktop/java.awt.Dialog.setVisible(Unknown Source)
at net.rptools.maptool.client.swing.MapToolEventQueue.displayPopup(MapToolEventQueue.java:109)
at net.rptools.maptool.client.swing.MapToolEventQueue.dispatchEvent(MapToolEventQueue.java:73)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Does anyone know what caused this error and how to solve it?
thanks in advance
Class Cast exception bug
Moderators: dorpond, trevor, Azhrei
Forum rules
PLEASE don't post images of your entire desktop, attach entire campaign files when only a single file is needed, or generally act in some other anti-social behavior.
PLEASE don't post images of your entire desktop, attach entire campaign files when only a single file is needed, or generally act in some other anti-social behavior.
-
- Kobold
- Posts: 2
- Joined: Thu Feb 17, 2022 6:21 pm
Re: Class Cast exception bug
I found it. I was trying to connect to the server with a 4G access point. When I switched to a WiFi router the problem was gone.
Maybe the RPTools develpment team can find way to fix this connection issue
Hi
Maybe the RPTools develpment team can find way to fix this connection issue
Hi
Re: Class Cast exception bug
I suspect the telco providing the 4G service might be restricting things. Does WebRTC work through double NAT, for instance?
Re: Class Cast exception bug
All cellular mobile networks — that I know of — use IP6 for data connections. There could be an issue on the RPTools.net service which doesn't handle IP6 properly, or it could be an IP4<->IP6 translation issue. There's an open issue describing WebRTC issues I had that's mainly waiting for someone to pick it up...
Re: Class Cast exception bug
I'm having the same issue, but I am connecting over a standard network connection