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Posted to user@struts.apache.org by Derrick Koes <De...@skillsoft.com> on 2009/04/01 15:12:22 UTC
Freemarker ServletUrlRenderer.renderFormUrl NPE moving from 2.0.14 to 2.1.16
Martin,
I don't think I understand your question. I have a freemarker template.
There is no jsp involved.
The problem is in rendering the struts form tag (in freemarker this is
@s.form).
If I use this, then I get the NPE and nothing renders.
<@s.form method="POST" name="newuser" theme="simple">
If I simply change to the HTML form like below then everything renders
without an NPE.
<form method="POST" name="newuser">
So, I believe I must have some missing configuration or there is a
defect in 2.1.16.
Do you have any ideas?
Thanks,
Derrick
-----Original Message-----
From: Martin Gainty [mailto:mgainty@hotmail.com]
Sent: Tuesday, March 31, 2009 4:39 PM
To: Struts Users Mailing List
Subject: RE: ServletUrlRenderer.renderFormUrl NPE moving from 2.0.14 to
2.1.16
Hi Derrick-
could you check your jsp to determine
where you push nameValue onto the OGNL ValueStack?
Martin Gainty
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> Subject: ServletUrlRenderer.renderFormUrl NPE moving from 2.0.14 to
2.1.16
> Date: Tue, 31 Mar 2009 15:58:09 -0400
> From: Derrick_Koes@skillsoft.com
> To: user@struts.apache.org
>
> I'm upgrading to use the latest best available struts 2 (I use
> freemarker in both 2.0.14 and the new 2.1.16) and I am hitting a
problem
> with the form tag I believe.
>
>
>
> ServletUrlRenderer.renderFormUrl method accesses the actionMapper
> member, but this member is null. Hence, I get the stack trace NPE
> listed.
>
> Am I missing something in configuration? How/where is the
actionMapper
> as used on line 128 supposed to be initialized?
>
>
>
> Relevant parts are:
>
>
>
> <interceptor-stack name="skillportAdminValidationStack">
>
> <interceptor-ref name="timer"/>
>
> <interceptor-ref name="exception"/>
>
> <!-- skillport must be before servletConfig -->
>
> <interceptor-ref name="skillport"/>
>
> <interceptor-ref name="servletConfig"/>
>
> <interceptor-ref name="prepare"/>
>
> <interceptor-ref name="i18n"/>
>
> <interceptor-ref name="chain"/>
>
> <interceptor-ref name="debugging"/>
>
> <interceptor-ref name="profiling"/>
>
> <interceptor-ref name="scopedModelDriven"/>
>
> <interceptor-ref name="modelDriven"/>
>
> <interceptor-ref name="fileUpload"/>
>
> <interceptor-ref name="checkbox"/>
>
> <interceptor-ref name="staticParams"/>
>
> <interceptor-ref name="params">
>
> <param name="excludeParams">dojo\..*</param>
>
> </interceptor-ref>
>
> <interceptor-ref name="conversionError"/>
>
> <interceptor-ref name="validation">
>
> <param name="excludeMethods">advGroup,
help</param>
>
> </interceptor-ref>
>
> <interceptor-ref name="workflow">
>
> <param name="excludeMethods">advGroup,
help</param>
>
> </interceptor-ref>
>
> </interceptor-stack>
>
>
>
>
>
> <package name="admin" namespace="/admin" extends="skillport-default">
>
>
>
>
>
> <action name="NewUser"
> class="com.skillsoft.skillport.fe.admin.userandgroup.UserAction"
> method="setup">
>
> <param name="pageInfo">user</param>
>
> <result name="success" type="freemarker">
>
> <param
> name="location">/WEB-INF/ftl/admin/userandgroup/usercreate.ftl</param>
>
> </result>
>
> </action>
>
>
>
>
>
>
>
> java.lang.NullPointerException
>
> at
>
org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUr
> lRenderer.java:128)
>
> at
>
org.apache.struts2.components.PortletUrlRenderer.renderFormUrl(PortletUr
> lRenderer.java:123)
>
> at
>
org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:228
> )
>
> at
> org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:784)
>
> at
>
org.apache.struts2.components.ClosingUIBean.start(ClosingUIBean.java:57)
>
> at
>
org.apache.struts2.views.freemarker.tags.CallbackWriter.onStart(Callback
> Writer.java:73)
>
> at freemarker.core.Environment.visit(Environment.java:294)
>
> at
freemarker.core.UnifiedCall.accept(UnifiedCall.java:130)
>
> at freemarker.core.Environment.visit(Environment.java:208)
>
> at
freemarker.core.MixedContent.accept(MixedContent.java:92)
>
> at freemarker.core.Environment.visit(Environment.java:208)
>
> at
freemarker.core.Environment.process(Environment.java:188)
>
> at freemarker.template.Template.process(Template.java:237)
>
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