B4J Question .NET B4Xserialzatior send list to B4J get error.

[tzfpg]

Hi,
I like to send a list from vb.net using .net B4Xserialzator to B4J B4Xserialzator, vb.net can sent the array byte to mqtt server, but when
B4J receive I get a error messages.

Here is vb.net code

Dim lst As New List(Of Object)
lst.Add("A")
lst.Add("B")

For i = 1 To 40
 lst.Add(i)
Next
client.Publish("lacs/test", ser.ConvertObjectToBytes(lst))

here id b4j code

If Topic="lacs/test" Then
    Dim PayLoadObj() As Object = ser.ConvertBytesToObject(Payload)
    Dim lst As List=PayLoadObj
    for i = 0 to lst.length - 1
        log(lst.get(i))
    next
End If

B4J error messages

java.lang.ClassCastException: class java.util.ArrayList cannot be cast to class [Ljava.lang.Object; (java.util.ArrayList and [Ljava.lang.Object; are in module java.base of loader 'bootstrap')
    at b4j.example.main._mqtt_messagearrived(main.java:5178)
    at jdk.internal.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:632)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:237)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:167)
    at jdk.internal.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:91)
    at anywheresoftware.b4a.shell.ShellBA.raiseEvent2(ShellBA.java:98)
    at anywheresoftware.b4a.BA$3.run(BA.java:247)
    at anywheresoftware.b4a.keywords.SimpleMessageLoop.runMessageLoop(SimpleMessageLoop.java:30)
    at anywheresoftware.b4a.StandardBA.startMessageLoop(StandardBA.java:26)
    at anywheresoftware.b4a.shell.ShellBA.startMessageLoop(ShellBA.java:119)
    at anywheresoftware.b4a.keywords.Common.StartMessageLoop(Common.java:153)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:309)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:167)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at anywheresoftware.b4a.BA.raiseEvent2(BA.java:91)
    at anywheresoftware.b4a.shell.ShellBA.raiseEvent2(ShellBA.java:98)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:78)
    at b4j.example.main.main(main.java:29)

Please help me see which part i do wrong, thank you.

 

[Erel]

Dim PayloadObj As List = ser.Convert...

Tip: use For Each. More elegant.