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problem with BeanUtils.copyProperties

 
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hi all,
I am having an error while copying the values of the form in to the persitent class, and the error is argument type mismatch:

11:43:54,389 WARN [RequestProcessor] Unhandled Exception thrown: class java.lang.IllegalArgumentException
11:43:54,399 WARN [jbossweb] WARNING: Exception for /hdatas/currency.do?action=create
java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.beanutils.PropertyUtils.setSimpleProperty(PropertyUtils.java:1789)
at org.apache.commons.beanutils.BeanUtils.copyProperty(BeanUtils.java:450)
at org.apache.commons.beanutils.BeanUtils.copyProperties(BeanUtils.java:239)
at com.b2b.datas.web.action.CurrencyAction.create(CurrencyAction.java:126)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:278)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:218)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:465)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1422)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:523)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:342)
at com.b2b.datas.filters.SessionChecking.doFilter(SessionChecking.java:50)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:86)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:286)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1714)
at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1664)
at org.mortbay.http.HttpServer.service(HttpServer.java:863)
at org.jboss.jetty.Jetty.service(Jetty.java:460)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:775)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)

The above is the error and the corresponding struts-config piece of code is as follows

<form-bean name="currencyForm" type="org.apache.struts.action.DynaActionForm">
<form-property name="companyNo" type="java.lang.String"/>
<form-property name="currencyKey" type="java.lang.String"/>
<form-property name="currencyText" type="java.lang.String"/>
<form-property name="conversionFactorCustomer" type="java.lang.Double"/>
<form-property name="conversionFactorVendor" type="java.lang.Double"/>
<form-property name="conversionFactorGLAccount" type="java.lang.Double"/>
<form-property name="conversionFactorControlling" type="java.lang.Double"/>
<form-property name="conversionFactorReserve1" type="java.lang.Double"/>
<form-property name="conversionFactorReserve2" type="java.lang.Double"/>
<form-property name="conversionFactorReserve3" type="java.lang.Double"/>
<form-property name="dateLastValuation" type="java.lang.String"/>
<form-property name="status" type="java.lang.String"/>
</form-bean>

I am using hibernate and the fields companyNo and currencyKey together are the primary keys which form the composite key in the .hbm.xml. and the piece of code is as follows

<composite-id>
<key-property name="companyNo" column="CompanyNo" type="string" length="20"/>
<key-property name="currencyKey" column="CurrencyKey" type="string" length="3"/>
</composite-id>

It would be nice if an appropriate solution is found.

Thanks in advance
A.Kumar
 
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.
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