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  1. WildFly
  2. WFLY-3456

Can not call method with generic type parameter with null value

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Details

    • Bug
    • Resolution: Done
    • Major
    • 9.0.0.Alpha1
    • 8.1.0.Final
    • JSF
    • None
    • Hide

      Minimal example to reproduce the issue:

      Failing expression: 

       #{simpleOrderHandler.getLastUpdate(null)} 
          import java.util.Date;  
      
    public interface SimpleDataTableHandler<T> {  
     public Date getLastUpdate(T item);  
    }  
      
    import java.util.Date;  
    import javax.enterprise.inject.Model;  
      
    @Model  
    public class SimpleOrderHandler implements SimpleDataTableHandler<SimpleOrder> {  
      
        @Override  
        public Date getLastUpdate(SimpleOrder item) {  
            return new Date();  
        }  
      
    }
      Show
      Minimal example to reproduce the issue: Failing expression: #{simpleOrderHandler.getLastUpdate( null )} import java.util.Date; public interface SimpleDataTableHandler<T> { public Date getLastUpdate(T item); } import java.util.Date; import javax.enterprise.inject.Model; @Model public class SimpleOrderHandler implements SimpleDataTableHandler<SimpleOrder> { @Override public Date getLastUpdate(SimpleOrder item) { return new Date(); } }

    Description

      If you call a method with a generic type parameter from EL with null as parameter value you get 

      javax.el.MethodNotFoundException

Unable to find unambiguous method: SimpleOrderHandler$Proxy$_$$_WeldClientProxy.getLastUpdate(null)

at
javax.el.Util.findWrapper(Util.java:322)
javax.el.Util.findMethod(Util.java:203)
javax.el.ELUtil.findMethod(ELUtil.java:288)
javax.el.BeanELResolver.invoke(BeanELResolver.java:527)
javax.el.CompositeELResolver.invoke(CompositeELResolver.java:256)
com.sun.el.parser.AstValue.getValue(AstValue.java:136)
com.sun.el.parser.AstValue.getValue(AstValue.java:204)
com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:226)
org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50)
com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)

      Attachments

        Issue Links

          is blocked by

          Component Upgrade - A task tracking an update to a bundled component or revision of component upstream of the project. WFLY-3609 Upgrade JBoss EL 3.0 API to 1.0.4.Final

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          is related to

          Bug - A problem that impairs or prevents the functions of the product. JBEE-165 Can not call "visibility" bridged methods

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

          Activity

            People

              fjuma1@redhat.com Farah Juma
              nogotiated Marcel Neuwohner (Inactive)
              Votes:
              1 Vote for this issue
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              8 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: