BeanUtils
---------

                 Key: STR-3183
                 URL: https://issues.apache.org/struts/browse/STR-3183
             Project: Struts 1
          Issue Type: Bug
    Affects Versions: 1.3.8
         Environment: Windows XP, Java 1.4
            Reporter: Ranjith George


I have a single action form. 
In my page where i have a FormFile object if i try to access my main page after 
my form attribute in session is removed. i get the argument type mismatch error 
because struts internally calls the bean utils set property method which tries 
to convert  String object to FormFile object. Plese find the log below

[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java(Compiled
 Code))  -   
setProperty(com.citco.banking.nxg.company.actionform.companyutilf...@48046f8f, 
footerFile, [])
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java(Compiled
 Code))  -   
setProperty(com.citco.banking.nxg.company.actionform.companyutilf...@48046f8f, 
footerFile, [])
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java(Compiled
 Code))  -   
setProperty(com.citco.banking.nxg.company.actionform.companyutilf...@48046f8f, 
footerFile, [])
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  - Convert string '' to class 'org.apache.struts.upload.FormFile'
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  - Convert string '' to class 'org.apache.struts.upload.FormFile'
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  - Convert string '' to class 'org.apache.struts.upload.FormFile'
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  -   Using converter 
org.apache.commons.beanutils.converters.stringconver...@3c08efc1
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  -   Using converter 
org.apache.commons.beanutils.converters.stringconver...@3c08efc1
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java(Compiled
 Code))  -   Using converter 
org.apache.commons.beanutils.converters.stringconver...@3c08efc1
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java(Compiled
 Code))  - setSimpleProperty: Invoking method public void 
com.citco.banking.nxg.company.actionform.CompanyUtilForm.setFooterFile(org.apache.struts.upload.FormFile)
 with value  (class java.lang.String)
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java(Compiled
 Code))  - setSimpleProperty: Invoking method public void 
com.citco.banking.nxg.company.actionform.CompanyUtilForm.setFooterFile(org.apache.struts.upload.FormFile)
 with value  (class java.lang.String)
[2009-03-12 17:15:11,312] WebContainer : 0 DEBUG 
org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java(Compiled
 Code))  - setSimpleProperty: Invoking method public void 
com.citco.banking.nxg.company.actionform.CompanyUtilForm.setFooterFile(org.apache.struts.upload.FormFile)
 with value  (class java.lang.String)
[2009-03-12 17:15:11,391] WebContainer : 0 ERROR 
org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java(Inlined
 Compiled Code))  - Method invocation failed.
java.lang.IllegalArgumentException: argument type mismatch
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled
 Code))
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled
 Code))
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled
 Code))
        at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
        at 
org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java(Inlined
 Compiled Code))
        at 
org.apache.commons.beanutils.PropertyUtilsBean.setSimpleProperty(PropertyUtilsBean.java(Compiled
 Code))
        at 
org.apache.commons.beanutils.PropertyUtilsBean.setNestedProperty(PropertyUtilsBean.java(Compiled
 Code))
        at 
org.apache.commons.beanutils.PropertyUtilsBean.setProperty(PropertyUtilsBean.java(Inlined
 Compiled Code))
        at 
org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java(Compiled
 Code))



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