Did you setted the <s:head theme="ajax"/> in your jsp?
If you did and it is still not working, post your code here, so we can
figure out the problem.

Regards,

Felipe


David Harland wrote:
> 
> I am trying to use the datetimepicker but I am getting the following error
> 
> 22:03:16,676 INFO  [STDOUT] 22:03:16,666 ERROR [[jsp]] Servlet.service()
> for servlet jsp threw exception
> java.lang.NullPointerException
>     at
> org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:50)
>     at
> org.apache.jsp.WEB_002dINF.decorators.layout_jsp._jspx_meth_s_url_0(layout_jsp.java:151)
>     at
> org.apache.jsp.WEB_002dINF.decorators.layout_jsp._jspService(layout_jsp.java:78)
>     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>     at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
>     at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
>     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
>     at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
>     at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
>     at
> com.opensymphony.module.sitemesh.filter.PageFilter.applyDecorator(PageFilter.java:156)
>     at
> com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:59)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>     at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
>     at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
>     at
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
>     at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
>     at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
>     at
> org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
>     at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
>     at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
>     at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
>     at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
>     at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
>     at
> org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
>     at java.lang.Thread.run(Thread.java:595)
> 22:03:16,926 INFO  [STDOUT] 22:03:16,926 ERROR [[default]]
> Servlet.service() for servlet default threw exception
> java.lang.NullPointerException
>     at
> org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:50)
>     at
> org.apache.jsp.WEB_002dINF.decorators.layout_jsp._jspx_meth_s_url_0(layout_jsp.java:151)
>     at
> org.apache.jsp.WEB_002dINF.decorators.layout_jsp._jspService(layout_jsp.java:78)
>     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>     at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
>     at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
>     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
>     at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
>     at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
>     at
> com.opensymphony.module.sitemesh.filter.PageFilter.applyDecorator(PageFilter.java:156)
>     at
> com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:59)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
>     at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>     at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>     at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>     at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
>     at
> org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
>     at
> org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
>     at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
>     at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
>     at
> org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
>     at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
>     at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
>     at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
>     at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
>     at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
>     at
> org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
>     at java.lang.Thread.run(Thread.java:595)
> 
> 
> 
> 
> 
>  
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