B4J Question Even though the filter blocks the request, the job success ist true

Sub K_laden
    Dim K As HttpJob
    K.Initialize("K", Me)
    K.Download2(ServerPfad & "/Test/test.txt", Array As String("absender", Absender, "passwort", PasswortServer))
End Sub

Sub JobDone (Job As HttpJob) 
    Select Job.JobName
        Case "K"           
            If Job.Success=True Then
                Dim out As OutputStream
                out=File.OpenOutput(File.DirApp, "Test/test.txt", False)
                File.Copy2(Job.GetInputStream, out)
                out.Close
            Else
                Log("Error loading file!")
            End If
        End Select
End Sub

Public Sub Filter(req As ServletRequest, resp As ServletResponse) As Boolean   
    Dim In As InputStream = req.InputStream   
    Dim absender As String = req.GetParameter("absender")
    Dim passwort As String = req.GetParameter("passwort")   
    Dim Ergebnis As String
    Ergebnis = NutzerDB.CheckCredentials(absender, passwort)
    If Ergebnis <> "Zugriff gewaehrt!" Then
        If Ergebnis.Length=0 Then
            Ergebnis="Unautorisierter Zugriff!"
        End If
        resp.Write(Ergebnis)   
        Return False
    Else
        Return True
    End If
End Sub