DO NOT REPLY [Bug 31531] New: - handleSetProperty throws IllegalArgumentException for no reason ...

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http://issues.apache.org/bugzilla/show_bug.cgi?id=31531

handleSetProperty throws IllegalArgumentException for no reason ...

           Summary: handleSetProperty throws IllegalArgumentException for no
                    reason ...
           Product: Tomcat 5
           Version: 5.0.28
          Platform: PC
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Jasper
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: mail@peneios.com


Hi,

I noticed the following today: If with the following code (jsp/jsp compiled/java
class) jasper will throw an "IllegalArgumentException: argument type mismatch",
even so there IS a proper set method available. It will only work if I add an
additional set method with an Object type parameter ... However, this is not the
method that will get called, but it will avoid the exception.

JSP:

<jsp:useBean id="total" class="com.vote4ad.cart.BeanDouble" />
<bean:define id="price" name="item" property="price" type="java.lang.Double"
scope="page" />
<jsp:setProperty name="total" property="add" value="<%=price%>" /> // EXCEPTION
THROWN HERE

JSP->Java:

java.lang.Double price = null;
price = (java.lang.Double) _jspx_page_context.findAttribute("price");
org.apache.jasper.runtime.JspRuntimeLibrary.handleSetProperty(_jspx_page_context.findAttribute("total"),"add",price);

Snip from BeanDouble class:

public void setAdd(java.lang.Double x) { add(x); }
public void setAdd(double x) { add(x); }
public void setAdd(String x) { add(x); }

Without adding the following, an exception will be thrown as described above ...

public void setAdd(Object x) {}

Thanks
Chris

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