Sounds like you need to add a custom handler like so:
<global-exceptions>
<exception
handler="com.company.handlers.EJBCreateExceptionHandler"
key="error.persistence.create"
type="javax.ejb.CreateException"
path="/tmpl_main.jsp?page=/error/syserror.jsp"></exception>
....
</global-exceptions>
Your "EJBCreateHandler" class would extend from ExceptionHandler and
override execute. In there you can then create the custom parameterized
messages you want. In the execute method of a ExeceptionHandler you have
references to the form, the mapping, request/response, and the
ExceptionConfig. The ExceptionConfig class has the message key (and type,
path, etc) contained in the exception mapping.
HTH,
Tim
|---------+---------------------------->
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| | om> |
| | |
| | 10/29/2003 12:13 |
| | PM |
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| Subject: Exception handling 100% declarative
|
>------------------------------------------------------------------------------------------------------------------------------|
Caterpillar: Confidential Green Retain Until: 11/28/2003
Retention Category: G90 -
General
Matters/Administration
I would like to be able to customize the output when an exception is thrown
with minimal or no extra overridden classes. My struts config (1.1) config
file looks like this:
....
<global-exceptions>
<exception
key="error.persistence.create"
type="javax.ejb.CreateException"
path="/tmpl_main.jsp?page=/error/syserror.jsp"></exception>
<exception
key="error.http.methodnotsupported"
type="javax.mail.MethodNotSupportedException"
path="/tmpl_main.jsp?page=/error/syserror.jsp"></exception>
<exception
key="error.naming.namenotfound"
type="javax.naming.NamingException"
path="/tmpl_main.jsp?page=/error/syserror.jsp"></exception>
<exception
key="error.servlet.illegalparameter"
type="com.je.servlet.IllegalParamsException"
path="/tmpl_main.jsp?page=/error/syserror.jsp"></exception>
</global-exceptions>
The properties file looks like this:
errors.header=The following system errors occurred:<ul>
errors.footer=</ul>
error.persistence.create=An error occurred attempting to create a database
record
error.http.methodnotsupported=This type of request is not supported for
this URL
error.naming.namenotfound=Lookup failed with naming service
error.servlet.illegalparameter=A required field or parameter is missing for
the request
The syserror.jsp file is simply:
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<TABLE border="0" cellpadding="5">
<TR>
<TD><html:errors bundle="systemerrorbundle" /></TD>
</TR>
<TR>
<TD></TD>
</TR>
</TABLE>
The above does work. But I only get the properties file message printed.
I would like to do something like this:
error.servlet.illegalparameter=A required field or parameter is missing for
the request {0}
so that I can dynamically generate a message specific to the error. In
this case I want to display whatever field is identified by the exception.
So if the exception is thrown like:
throw new IllegalParamsException("fieldXYZ is missing");
I would like to see "A required field or parameter is missing for the
request 'fieldXYZ is missing' "
Can I do this 100% in a declaritive manner? Or how can I pull this off.
thanks
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