Hi.
Hab jetzt die letzte stable auf nem pi zero w mit raspian strech lite auf dem nur der awtrix server läuft.
Jedoch hab ich ca. alle 3-4 stunden folgenden Zeilen im log und dann bleibt die matrix hängen.
Ich muss dann den server und die matrix neu starten, damit es wieder geht.

`
20:01:27 Switch to time
main.appstart (java line: 214)
java.lang.RuntimeException: java.lang.RuntimeException: org.json.JSONException: End of input at character 0 of
at anywheresoftware.b4a.keywords.Common.CallSub4(Common.java:496)
at anywheresoftware.b4a.keywords.Common.access$0(Common.java:467)
at anywheresoftware.b4a.keywords.Common$CallSubDelayedHelper.run(Common.java:541)
at anywheresoftware.b4a.keywords.SimpleMessageLoop.runMessageLoop(SimpleMessageLoop.java:30)
at anywheresoftware.b4a.StandardBA.startMessageLoop(StandardBA.java:26)
at anywheresoftware.b4a.keywords.Common.StartMessageLoop(Common.java:153)
at de.awtrix.main.appstart(main.java:214)
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:91)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:78)
at de.awtrix.main.main(main.java:28)
Caused by: java.lang.RuntimeException: org.json.JSONException: End of input at character 0 of
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:120)
at anywheresoftware.b4a.keywords.Common.CallSub4(Common.java:487)
... 13 more
Caused by: org.json.JSONException: End of input at character 0 of
at org.json.JSONTokener.syntaxError(JSONTokener.java:450)
at org.json.JSONTokener.nextValue(JSONTokener.java:97)
at anywheresoftware.b4j.objects.collections.JSONParser.NextObject(JSONParser.java:48)
at de.awtrix.externalapp$ResumableSub_showApp.resume(externalapp.java:1232)
at anywheresoftware.b4a.BA.checkAndRunWaitForEvent(BA.java:136)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:85)
... 14 more

main.main (java line: 28)
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: org.json.JSONException: End of input at character 0 of
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:120)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:78)
at de.awtrix.main.main(main.java:28)
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: org.json.JSONException: End of input at character 0 of
at anywheresoftware.b4a.keywords.Common.CallSub4(Common.java:496)
at anywheresoftware.b4a.keywords.Common.access$0(Common.java:467)
at anywheresoftware.b4a.keywords.Common$CallSubDelayedHelper.run(Common.java:541)
at anywheresoftware.b4a.keywords.SimpleMessageLoop.runMessageLoop(SimpleMessageLoop.java:30)
at anywheresoftware.b4a.StandardBA.startMessageLoop(StandardBA.java:26)
at anywheresoftware.b4a.keywords.Common.StartMessageLoop(Common.java:153)
at de.awtrix.main._appstart(main.java:214)
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:91)
... 2 more
Caused by: java.lang.RuntimeException: org.json.JSONException: End of input at character 0 of
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:120)
at anywheresoftware.b4a.keywords.Common.CallSub4(Common.java:487)
... 13 more
Caused by: org.json.JSONException: End of input at character 0 of
at org.json.JSONTokener.syntaxError(JSONTokener.java:450)
at org.json.JSONTokener.nextValue(JSONTokener.java:97)
at anywheresoftware.b4j.objects.collections.JSONParser.NextObject(JSONParser.java:48)
at de.awtrix.externalapp$ResumableSub_showApp.resume(externalapp.java:1232)
at anywheresoftware.b4a.BA.checkAndRunWaitForEvent(BA.java:136)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:85)
... 14 more

java.lang.NullPointerException
at anywheresoftware.b4j.object.WebSocketModule$Adapter$ThreadHandler.run(WebSocketModule.java:191)
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)
`

was kann ich noch machen?
Danke