Have you verified the Anchor Tag's 3 required parameters stack, request,
response are initialised properrly and non null before constructing the anchor
tag
?
Martin
______________________________________________
Disclaimer and confidentiality note
This message is confidential and may be privileged. If you are not the intended
recipient, we kindly ask you to please inform the sender. Any unauthorised
dissemination or copying hereof is prohibited. This message serves for
information purposes only and shall not have any legally binding effect. Given
that e-mails can easily be subject to manipulation, we can not accept any
liability for the content provided.
> Subject: Using Anchor Component for creating custom anchor tag
> Date: Tue, 24 Mar 2009 16:15:29 +0000
> From: manoj.dh...@sword-soft.com
> To: user@struts.apache.org
>
> Hi,
>
>
>
> I am trying to create a custom anchor component using
> org.apache.struts2.components.Anchor. This is done inside a custom
> component that I am creating.
>
> Method that initializes Anchor component is as follows :
>
>
> private void createLink(String action, Containable item, Writer
> writer) {
>
>
>
> Component a = createAnchor(action, item);
>
> a.start(writer);
>
> a.end(writer, item.getName());
>
> }
>
>
>
> private Anchor createAnchor(String action, Containable item){
>
> Anchor a = new Anchor(stack, req, resp);
>
> a.setHref(action);
>
> return a;
>
> }
>
> However, if my code tries to create a link I get follwing error :
>
>
> java.lang.NullPointerException
>
> at
> org.apache.struts2.components.UIBean.mergeTemplate(UIBean.java:549)
>
> at
> org.apache.struts2.components.ClosingUIBean.start(ClosingUIBean.java:59)
>
> at
> com.poc.struts2.component.FolderBrowserComponent.createLink(FolderBrowse
> rComponent.java:70)
>
> at
> com.poc.struts2.component.FolderBrowserComponent.processItem(FolderBrows
> erComponent.java:116)
>
> at
> com.poc.struts2.component.FolderBrowserComponent.start(FolderBrowserComp
> onent.java:58)
>
> at
> org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTag
> Support.java:53)
>
> at
> org.apache.jsp.Folderbrowser_jsp._jspx_meth_bol_005ffolderbrowser_005f0(
> Folderbrowser_jsp.java:145)
>
> at
> org.apache.jsp.Folderbrowser_jsp._jspService(Folderbrowser_jsp.java:90)
>
> at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
> va:374)
>
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
>
> at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
>
> Could you please guide me what is the problem with template ? Do I need
> to create a custom template or need to set a default template ?
>
>
>
> Thanks in advance.
>
>
>
> Regards,
>
>
>
> Manoj Dhore
>
>
>
>
>
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
>
> This email and any files transmitted with it are confidential and
> intended solely for the use of the individual or entity to whom
> they are addressed.
> If you have received this email in error please notify the
> originator of the message. This footer also confirms that this
> email message has been scanned for the presence of computer viruses.
>
> Any views expressed in this message are those of the individual
> sender, except where the sender specifies and with authority,
> states them to be the views of Sword Intech.
>
> Scanning of this message and addition of this footer is performed
> by Websense Email Security software in conjunction with
> virus detection software.
>
_________________________________________________________________
Express your personality in color! Preview and select themes for Hotmail®.
http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=TXT_MSGTX_WL_HM_express_032009#colortheme
