Hi all,
I'm still new to Struts 2. I like the framework as a whole. A part which
I find quite difficult to use is the debugging support.
But I guess I'm missing something.
I have sometime the problem that Struts returns an empty page. Nothing,
no html at all.
No exception in the log, even using the DEBUG level of Log4J. I even
stepped through the whole struts action method invocation including all
interceptors. Couldn't find it.
Several tries later to guess the reason it's usually a tag with wrong
params or something similair.
How do I debug this kind of problem?
devMode is set. I'm using 2.1.1-SNAPSHOT, but also tried 2.1.0 and
2.0.11. I'm also using Spring.
An example which I could not figure out so far:
This form makes the page to display empty.
After removing the <s:token/> tag it displays just fine, with or without
the TokenInterceptor enabled for the action.
<s:form action="tag" method="post">
<s:hidden name="id" value="%{id}" />
<s:token />
<%-- Basic information --%>
<s:if test="%{id}">
<s:textfield key="tag.id" value="%{tag.id}" readonly="true" />
</s:if>
<s:textfield key="tag.name" value="%{tag.name}" name="tag.name" />
<div style="margin: 25px 0;">
<s:submit key="button.save" action="tag" method="save"
theme="simple" requiredposition="right"/>
<s:submit key="button.cancel" action="tagList" theme="simple" />
</div>
</s:form>
Thank you for hints or solutions!
Joachim
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