NullPointerException using dojo tags even though <sx:head /> tag included
within tiles.
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Key: WW-2533
URL: https://issues.apache.org/struts/browse/WW-2533
Project: Struts 2
Issue Type: Bug
Components: Plugin - Tiles
Affects Versions: 2.1.0
Environment: struts2-tiles-plugin-2.1.0.jar struts2-core-2.1.0.jar
Reporter: Vladimir Limansky
Got NPE trying to add dojo tags on the page (sx:submit, sx:datetimepicker ....
) see the stack trace attached below.
My tiles definition looks as follows:
<definition name="default" template="/layout/default.jsp">
<put-attribute name="head" value="/common/AjaxHead.action"/>
<put-attribute name="leftMenu" value="leftLayout"/>
<put-attribute name="rightMenu" value="rightLayout"/>
<put-attribute name="body"/>
<put-attribute name="footer" value="/common/Footer.action"/>
</definition>
<sx:head /> tag is in the "head" tile. dojo tags are in the "body" tile.
But everything works fine if <sx:head /> tag shares the same tile ("body") with
dojo tags (on the same JSP page).
See similar complains here: http://www.mail-archive.com/[EMAIL
PROTECTED]/msg69511.html
The stack trace:
org.apache.jasper.JasperException: java.lang.NullPointerException
at
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:535)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:429)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
.......
Caused by: java.lang.NullPointerException
at
org.apache.struts2.dojo.components.Submit.evaluateExtraParams(Submit.java:239)
at org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:828)
at
org.apache.struts2.dojo.components.Submit.evaluateParams(Submit.java:175)
at org.apache.struts2.dojo.components.Submit.end(Submit.java:272)
at
org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:41)
at
org.apache.jsp.EditEvent_jsp._jspx_meth_sx_005fsubmit_005f0(EditEvent_jsp.java:651)
at
org.apache.jsp.EditEvent_jsp._jspx_meth_s_005fform_005f0(EditEvent_jsp.java:223)
at org.apache.jsp.EditEvent_jsp._jspService(EditEvent_jsp.java:119)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:387)
... 239 more
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