Did you set convertNull=true for the ActionServlet in the web.xml. BAL
From: Ben Sion <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: convertNull problems
Date: Wed, 12 Feb 2003 11:08:43 +1300
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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