Android Question Job.GetString Cast - Problem

'Class module
Sub Class_Globals
    
End Sub

Public Sub Initialize

End Sub

Public Sub Handle(req As ServletRequest, resp As ServletResponse)
    Dim lista As List
    lista.Initialize
  
    lista.Add(DBUtils.ExecuteList(Main.SQL1, "SELECT Cell FROM Tab", Null,0,lista))
    Log(lista)
    resp.Write(lista.Get(i))
End Sub

Sub JobDone(j As HttpJob)
    If j.Success Then
        If j.JobName = "send object" Then
            Log(j.GetString)
        Else If j.JobName = "FunctionPulsanti" Then
            Log(j.GetString) 'this: Log=2145454394394467467467'
        End If
    Else
        Log("Error: " & j.ErrorMessage)
        Msgbox(j.ErrorMessage, "Error")
    End If
    j.Release
    ProgressDialogHide
End Sub

'Executes the query and fills the list with the values in the first column.
Public Sub ExecuteList(SQL As SQL, Query As String, StringArgs() As String, Limit As Int, List1 As List)
    List1.Clear
    Dim Table As List
    Table = ExecuteMemoryTable(SQL, Query, StringArgs, Limit)
    If Table.Size = 0 Then Return
    Dim Cols() As String
    For i = 0 To Table.Size - 1
        Cols = Table.Get(i)
        List1.Add(","&Cols(0)) 'Add ,
    Next
End Sub

Sub JobDone(j As HttpJob)
    If j.Success Then
        If j.JobName = "send object" Then
            Log(j.GetString)
        Else If j.JobName = "FunctionPulsanti" Then
              Log(j.GetString) 'Now the received string is divided with the comma = 54,214, ....
        Dim numbers() As String
            numbers = Regex.Split(",", j.GetString)
            Dim l As List
            l.Initialize2(numbers) 'Adding individual items to the list
            Log(l)
            
    Else
        Log("Error1: " & j.ErrorMessage)
        'Msgbox(j.ErrorMessage, "Error1")
    End If
    j.Release
    ProgressDialogHide
End Sub