[jboss-user] [JBoss Seam] - Re: Object sent to equals() as parameter is null!

[fmars]

I forgot the Stack Trace(a part of it, which i think important to the problem is):
java.lang.NullPointerException
  |         at org.arcs.methcancerdb.model.CancerType.equals(CancerType.java:43)
  |         at javax.faces.component.UISelectOne.matchValue(UISelectOne.java:185)
  |         at javax.faces.component.UISelectOne.validateValue(UISelectOne.java:137)
  |         at javax.faces.component.UIInput.validate(UIInput.java:867)
  |         at javax.faces.component.UIInput.executeValidate(UIInput.java:1065)
  |         at javax.faces.component.UIInput.processValidators(UIInput.java:666)
  |         at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1030)
  |         at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1030)
  |         at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1030)
  |         at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1030)
  |         at javax.faces.component.UIForm.processValidators(UIForm.java:229)
  |         at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1030)
  |         at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:662)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.access$201(AjaxViewRoot.java:53)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot$3.invokeRoot(AjaxViewRoot.java:315)
  |         at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:53)
  |         at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:191)
  |         at org.ajax4jsf.framework.ajax.AjaxViewRoot.processValidators(AjaxViewRoot.java:329)
  | 

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