Using Vaadin 7... When calling UploadComponent uploadComponent = new Uploa

Directory Drop or Choose Upload
1

Using Vaadin 7…
When calling UploadComponent uploadComponent = new UploadComponent(this::uploadReceived);
Error on:
com.vaadin.server.DefaultErrorHandler doDefault
SEVERE:
java.lang.NoSuchMethodError: com.vaadin.ui.Upload.setImmediateMode(Z)V
at server.droporchoose.UploadComponent.(UploadComponent.java:91)
at server.droporchoose.UploadComponent.(UploadComponent.java:71)