B4J Question [ABMaterial] errordump loading a page

In 24 hours i got 2 errordumps. What could cause this errordump?


onWebSocketError: null
Saving the first instance
You must set DebugConsoleEnable in BuildPage() first!
meteopage._websocket_connected (java line: 982)
java.lang.RuntimeException: org.eclipse.jetty.websocket.api.WebSocketException: RemoteEndpoint unavailable, current state [CLOSED], expecting [OPEN or CONNECTED]
at anywheresoftware.b4j.object.WebSocket.get(WebSocket.java:120)
at anywheresoftware.b4j.object.WebSocket.RunFunctionWithResult(WebSocket.java:308)
at com.ab.abmaterial.ABMPage.WebsocketReconnected(Unknown Source)
at b4j.example.meteopage._websocket_connected(meteopage.java:982)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:90)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:77)
at anywheresoftware.b4j.object.WebSocketModule$Adapter$ThreadHandler.run(WebSocketModule.java:188)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.eclipse.jetty.websocket.api.WebSocketException: RemoteEndpoint unavailable, current state [CLOSED], expecting [OPEN or CONNECTED]
at org.eclipse.jetty.websocket.common.WebSocketSession.getRemote(WebSocketSession.java:310)
at anywheresoftware.b4j.object.WebSocket.sendText(WebSocket.java:107)
at anywheresoftware.b4j.object.WebSocket.get(WebSocket.java:117)
... 15 more

java.lang.RuntimeException: java.lang.RuntimeException: org.eclipse.jetty.websocket.api.WebSocketException: RemoteEndpoint unavailable, current state [CLOSED], expecting [OPEN or CONNECTED]
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:119)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:77)
at anywheresoftware.b4j.object.WebSocketModule$Adapter$ThreadHandler.run(WebSocketModule.java:188)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.eclipse.jetty.websocket.api.WebSocketException: RemoteEndpoint unavailable, current state [CLOSED], expecting [OPEN or CONNECTED]
at anywheresoftware.b4j.object.WebSocket.get(WebSocket.java:120)
at anywheresoftware.b4j.object.WebSocket.RunFunctionWithResult(WebSocket.java:308)
at com.ab.abmaterial.ABMPage.WebsocketReconnected(Unknown Source)
at b4j.example.meteopage._websocket_connected(meteopage.java:982)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:90)
... 7 more
Caused by: org.eclipse.jetty.websocket.api.WebSocketException: RemoteEndpoint unavailable, current state [CLOSED], expecting [OPEN or CONNECTED]
at org.eclipse.jetty.websocket.common.WebSocketSession.getRemote(WebSocketSession.java:310)
at anywheresoftware.b4j.object.WebSocket.sendText(WebSocket.java:107)
at anywheresoftware.b4j.object.WebSocket.get(WebSocket.java:117)
... 15 more
Disconnectedmeteo
Scavenger running... (1 page(s) cached)
Scavenger running... (1 page(s) cached)
Scavenger running... (1 page(s) cached)