Mark Goertzen created WW-4422:
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Summary: Component inside Component - "Could not render JSP
template"
Key: WW-4422
URL: https://issues.apache.org/jira/browse/WW-4422
Project: Struts 2
Issue Type: Bug
Components: Other
Affects Versions: 2.3.16.3
Environment: Windows, Pluto Portlets
Reporter: Mark Goertzen
Trying to render a Component inside a Component will fail with logged error
"JspTemplateEngine.error(34) | Could not render JSP template". There is a
workaround, which is simply to have ANY struts tag after the inner component
declared in the <param> of the outer component. Also, the inner component only
causes this failure when it has struts tags inside it.
eg. This fails:
<s:component ... template="someTemplate.jsp">
<s:param name="body">
<s:component ... template="otherTemplate.jsp"><!-- only fails if there is
struts tag(s) inside otherTemplate.jsp -->
<!--other params-->
</s:component>
</s:param>
<s:component>
Note that param body is rendered inside someTemplate.jsp like this:
<s:property value="%{parameters.body}" escapeHtml="false" />
eg. This will work exactly as expected:
<s:component ... template="someTemplate.jsp">
<s:param name="body">
<s:component ... template="otherTemplate.jsp"><!-- only fails if there is
struts tag(s) inside this template -->
<!--other params-->
</s:component>
<s:if test=""><!-- DO NOT DELETE THIS LINE - Fixes "component inside
component" bug in Struts 2.3.16.3 --></s:if>
</s:param>
<s:component>
Note that the "if" tag can be any struts tag and it will work.
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