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Former Member
Jan 04, 2008 at 07:06 AM

NULL POINTER EXCEPTION

18 Views

hii all,

am trying to create an ejb application : addition of two numbers....am writing the business logic in session bean n calling it from commandbean.....hav added jar of commandbean in model of webdynpro.....after deployment while i input the two numbers in input fields and press the add button get the following error......

The initial exception that caused the request to fail, was:

java.lang.NullPointerException

at com.sap.wrap.Wrap.myAddition(Wrap.java:47)

at com.sap.add.CompAddView.onActionresult(CompAddView.java:143)

at com.sap.add.wdp.InternalCompAddView.wdInvokeEventHandler(InternalCompAddView.java:150)

at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)

at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67)

... 27 more

MY corresponding code 4my myAddition in my commandbean is as follows:

public int myAddition()

{

result = local.add(par1,par2);

return result;

}

-


and the code for action button is: