I get the following error when I try to deploy a Struts 2.0.6 application on
Resin 3.0.21:
java.lang.NullPointerException
at
org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:50)
at _jsp._error__jsp._jspService(common/messages.jsp:2)
>From this, it looks like messages.jsp is causing the problem. In that file,
I have:
<%-- ActionError Messages - usually set in Actions --%>
<s:if test="hasActionErrors()">
<div class="error" id="errorMessages">
<s:iterator value="actionErrors">
<c:url value= "
alt="<fmt:message key="icon.warning"/>" class="icon" />
<s:property escape="false"/><br />
</s:iterator>
</div>
</s:if>
<%-- FieldError Messages - usually set by validation rules --%>
<s:if test="hasFieldErrors()">
<div class="error" id="errorMessages">
<s:iterator value="fieldErrors">
<s:iterator value="value">
<c:url value= "
alt="<fmt:message key="icon.warning"/>" class="icon" />
<s:property escape="false"/><br />
</s:iterator>
</s:iterator>
</div>
</s:if>
<%-- Success Messages --%>
<c:if test="${not empty messages}">
<div class="message" id="successMessages">
<c:forEach var="msg" items="${messages}">
<c:url value= "
alt="<fmt:message key="icon.information"/>" class="icon" />
<c:out value="${msg}" escapeXml="false"/><br />
</c:forEach>
</div>
<c:remove var="messages" scope="session"/>
</c:if>
If I delete the contents of this file, I get:
[09:31:25.218] Compiling _jsp/_error__jsp.java
[09:31:25.791] java.lang.NullPointerException
[09:31:25.791] at
org.springframework.web.context.request.RequestContextListener.requestDestroyed(RequestContextListener.java:67)
If I remove RequestContextListener from my web.xml, everything works great.
This same application deploys and works fine on Tomcat. Any ideas? My
guess is there's something in messages.jsp that I need to fix.
Thanks,
Matt
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