What version of Struts are you using?
--
James Mitchell
----- Original Message -----
From: "Ben Sion" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, February 11, 2003 5:08 PM
Subject: convertNull problems
> I am try trying to use the "convertNull" parameter of ActionServlet, so
that
> when the user does not enter a value into a field that is mapped to an
> attribute of type Long in my form, the attribute = null rather than 0.
> However I am getting conversion errors. The excerpt from my sevlet log:
>
> Feb 12 11:07:24 2003: The ServletException contained the following root
> cause exception:
> Feb 12 11:07:24 2003: org.apache.commons.beanutils.ConversionException:
For
> input string: ""
> at
>
org.apache.commons.beanutils.converters.LongConverter.convert(LongConverter.
> java:149)
> at
org.apache.commons.beanutils.ConvertUtils.convert(ConvertUtils.java:359)
> at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:615)
> at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1097)
> at
>
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.j
> ava:798)
> at
>
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254)
> 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:760)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at com.sybase.jaguar.servlet.JagServlet.service(JagServlet.java:656)
> at
>
com.sybase.jaguar.servlet.JagRequestDispatcher.service(JagRequestDispatcher.
> java:922)
> at
com.sybase.jaguar.servlet.JagWebResource.service(JagWebResource.java:90)
> at
> com.sybase.jaguar.servlet.JagFilterChain.doFilter(JagFilterChain.java:131)
> at
com.sybase.jaguar.servlet.ServletEngine._service(ServletEngine.java:804)
> at
com.sybase.jaguar.servlet.ServletEngine.service(ServletEngine.java:338)
> at
>
com.sybase.jaguar.servlet.ServletServiceImpl.doService(ServletServiceImpl.ja
> va:52)
> at
>
> The action servlet definition in my web.xml looks like this:
> ...
> <servlet>
> <servlet-name>action</servlet-name>
> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
> <init-param>
> <param-name>config</param-name>
> <param-value>/WEB-INF/struts-config.xml</param-value>
> </init-param>
> <init-param>
> <param-name>debug</param-name>
> <param-value>2</param-value>
> </init-param>
> <init-param>
> <param-name>detail</param-name>
> <param-value>2</param-value>
> </init-param>
> <init-param>
> <param-name>convertNull</param-name>
> <param-value>true</param-value>
> </init-param>
> <load-on-startup>2</load-on-startup>
> </servlet>
> ...
>
> and my form:
> public final class InputParametersForm extends ValidatorActionForm {
>
> private Long batchNumber;
> private Long organisationCode;
> private Long status;
> ...
>
>
> Any suggestions?
>
> thanks in advance
> Ben
>
>
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