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http://jira.codehaus.org/browse/DISPL-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=167190#action_167190
]
Victor Homyakov commented on DISPL-593:
---------------------------------------
Any comments/suggestions? I cannot use export in my projects with Struts tiles
1.3.X :(
> Displaytag 1.1.1-1.2 + Struts 1.3 + Struts tiles = NPE when exporting table
> ---------------------------------------------------------------------------
>
> Key: DISPL-593
> URL: http://jira.codehaus.org/browse/DISPL-593
> Project: DisplayTag
> Issue Type: Bug
> Components: Export
> Affects Versions: 1.1.1
> Reporter: Victor Homyakov
> Attachments: struts-displaytag.war
>
>
> After upgrading my web application from Struts 1.2.9 to Struts 1.3.8 I become
> NPE when clicking on any export link of displaytag:
> org.apache.jasper.JasperException: java.lang.NullPointerException
>
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:521)
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:415)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> root cause
> java.lang.NullPointerException
>
> org.apache.struts.tiles.taglib.InsertTag.processAttribute(InsertTag.java:690)
>
> org.apache.struts.tiles.taglib.InsertTag.createTagHandler(InsertTag.java:481)
> org.apache.struts.tiles.taglib.InsertTag.doStartTag(InsertTag.java:441)
>
> org.apache.jsp.jsp.template.layout_jsp._jspx_meth_tiles_005finsert_005f0(layout_jsp.java:194)
> org.apache.jsp.jsp.template.layout_jsp._jspService(layout_jsp.java:81)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> Exception is thrown only when I use Struts 1.3.X with tiles. On Struts 1.3.X
> with plain JSP and on Struts 1.2.X with tiles export works without errors. I
> become same results with versions of Struts 1.3.8, 1.3.10 and Displaytag
> 1.1.1, 1.2.
> I have made from sample webapps (struts-blank-1.3.8.war and
> displaytag-examples-1.1.1.war) a minimal WAR (6MB with all jars) that
> reproduces this error. Adding or removing ResponseOverrideFilter in web.xml
> has no effect.
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