Error: uncaught exception: com.google.gwt.event.shared.UmbrellaException: One or more exceptions caught, see full set in UmbrellaException#getCauses

[Mgr]

In Mozilla browser. & NetBean IDE 6.9 run the below code throws the
exception

Error: uncaught exception:
com.google.gwt.event.shared.UmbrellaException: One or more exceptions
caught, see full set in UmbrellaException#getCauses



I have more problem when I develop the gwt application. I am a newbee
to gwt. How to solve the below problem. As soon as possible please
reply for me. I am yet waiting for your reply.


My EntryPoint Class

public class MainEntryPoint implements EntryPoint
{

public VerticalPanel verticalPanelbutton = new VerticalPanel();
public VerticalPanel content = new VerticalPanel();
public DockLayoutPanel docPanel = new DockLayoutPanel(Unit.EM);

public MainEntryPoint()
{
}


public void onModuleLoad()
{

final Button doctorbutton = new Button("Doctor");
final Button addressIdbutton = new Button("AddressId");

verticalPanelbutton.add(addressIdbutton);

addressIdbutton.addClickHandler(new ClickHandler()
{

public void onClick(ClickEvent event)
{
AddressId addressId = new AddressId();
addressId.getAddressId();

}
});

docPanel.addNorth(verticalPanelbutton, 5);
docPanel.addNorth(content, 10);
RootPanel.get().add(docPanel);

}
}
------------------------------------------------------------------------------------------------------------------------------------------
My child Class

public class AddressId
{

public String doorNo_;
public Grid gridAddr_;

public void getAddressId()
{
gridAddr_ = new Grid(4, 2);
Label doornol = new Label("Door No");

final TextBox doorno = new TextBox();

Button addressok = new Button("Ok");
addressok.addClickHandler(new ClickHandler()
{

public void onClick(ClickEvent event)
{
try
{
AddressId addressId = new AddressId();
addressId.doorNo_ = ((TextBox) gridAddr_.getWidget(0,
1)).getText();
addressId.doorNo_ = ((String)doorno.getText());
print("addressId.doorNo_ :"+addressId.doorNo_);
Hospital.hospitalSingleton_.addAddressID(addressId);
}
catch (Exception e1)
{
print("e" + e1);
}
}
});
gridAddr_.setWidget(0, 0, doornol);
gridAddr_.setWidget(0, 1,doorno);
gridAddr_.setWidget(1, 0, addressok);

RootLayoutPanel r = RootLayoutPanel.get();
r.add(gridAddr_);
}

[Juan Pablo Gardella]

Paste the complete stacktrace 

Juan

2011/3/16 Mgr <gan.t...@gmail.com>

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