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Posted to users@myfaces.apache.org by Janap <ja...@gmail.com> on 2008/09/30 17:07:01 UTC
Tomahawk 1.1.7 t:columns problem in new build
Hello,
Today I downloaded the latest version of tomahawk 1.1.7 to discover that
none of my pages are working.
Till date I worked with 1.1.7- snapshot which works fine.
Exception caused :
Stacktrace:
at
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
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:802)
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.processRequest(ApplicationDispatcher.java:463)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
... 24 more
Caused by: org.apache.jasper.JasperException:
org.apache.myfaces.custom.crosstable.HtmlColumnsTag.doAfterBody()I
at
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
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:802)
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
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
at
org.apache.jsp.Hilfsprogramme.sql.Index_jsp._jspx_meth_t_aliasBean_0(org.apache.jsp.Index_jsp:475)
The exception is only caused by pages which have a t:columns component. Did
someone already experience
a similar kind of problem?
thank you,
Janap
--
View this message in context: http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19743977.html
Sent from the MyFaces - Users mailing list archive at Nabble.com.
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Leonardo Uribe <lu...@gmail.com>.
On Tue, Sep 30, 2008 at 10:38 AM, Simon Kitching <sk...@apache.org>wrote:
> Janap schrieb:
>
>> Thank you for the reply. I do not precompile my JSP's . Anyways I made a
>> complete clean build in Eclipse.
>> The problem still persists.
>>
>>
> I'm not talking about explicitly precompiled JSPs.
>
> When precompilation is not used, servlet engines (eg tomcat) compile JSPs
> into java, then java into .class files "on demand", ie as the jsps are
> accessed. And the servlet engine caches these .java and .class files in a
> "work" directory so they can be reused as long as the .jsp file doesn't
> change.
>
> But if you then change the tag implementations (ie install a jar that has
> new implementations of tag classes) then the servlet engine doesn't know
> that it should discard its cached versions. So it is necessary to remove
> this "work" directory manually. Not doing this after updating a lib
> containing jsp tags causes all sorts of weird problem.
>
> I don't know how this works with whatever Eclipse/servlet-engine
> integration you are using, but I bet there is still a "work" directory
> around somewhere that holds cached compiled jsp files.
>
I agree with Simon. UIComponentClassicTagBase it is no longer used on 1.1.7.
tomahawk 1.1.7 works with myfaces 1.1.5 and 1.1.6 without problem.
>
> Regards,
> Simon
>
>
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Simon Kitching <sk...@apache.org>.
Janap schrieb:
> Thank you for the reply. I do not precompile my JSP's . Anyways I made a
> complete clean build in Eclipse.
> The problem still persists.
>
I'm not talking about explicitly precompiled JSPs.
When precompilation is not used, servlet engines (eg tomcat) compile
JSPs into java, then java into .class files "on demand", ie as the jsps
are accessed. And the servlet engine caches these .java and .class files
in a "work" directory so they can be reused as long as the .jsp file
doesn't change.
But if you then change the tag implementations (ie install a jar that
has new implementations of tag classes) then the servlet engine doesn't
know that it should discard its cached versions. So it is necessary to
remove this "work" directory manually. Not doing this after updating a
lib containing jsp tags causes all sorts of weird problem.
I don't know how this works with whatever Eclipse/servlet-engine
integration you are using, but I bet there is still a "work" directory
around somewhere that holds cached compiled jsp files.
Regards,
Simon
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Hazem Saleh <ha...@apache.org>.
I used it with myfaces core 1.1.6.
I did not try it with myfaces core 1.1.5 but may be other guys did.
On Tue, Sep 30, 2008 at 5:29 PM, Janap <ja...@gmail.com> wrote:
>
> Thank you for the reply. I do not precompile my JSP's . Anyways I made a
> complete clean build in Eclipse.
> The problem still persists.
>
> I do have the tomahawk examples project in my Eclipse. They work with
> myfaces core 1.1.6 , i am using 1.1.5 , do you think that is the problem?
>
> Currenltly I am checking into this class UIComponentClassicTagBase which
> has
> the implementation for doAfterBody()
>
> best wishes
> Janap
>
>
>
> Hazem Saleh-2 wrote:
> >
> > Jonap,
> >
> > <t:columns> works fine with Tomahawk 1.1.7.
> > Please check this:
> > http://mashups.s43.eatj.com/myfaces-example-simple/crossDataTable.jsf
> >
> > Thank you!
> >
> > On Tue, Sep 30, 2008 at 5:07 PM, Janap <ja...@gmail.com> wrote:
> >
> >>
> >> Hello,
> >>
> >> Today I downloaded the latest version of tomahawk 1.1.7 to discover that
> >> none of my pages are working.
> >> Till date I worked with 1.1.7- snapshot which works fine.
> >>
> >> Exception caused :
> >>
> >> Stacktrace:
> >> at
> >>
> >>
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
> >> at
> >>
> >>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> >> 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:802)
> >> 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.processRequest(ApplicationDispatcher.java:463)
> >> at
> >>
> >>
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
> >> at
> >>
> >>
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
> >> at
> >>
> >>
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
> >> ... 24 more
> >> Caused by: org.apache.jasper.JasperException:
> >> org.apache.myfaces.custom.crosstable.HtmlColumnsTag.doAfterBody()I
> >> at
> >>
> >>
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
> >> at
> >>
> >>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> >> 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:802)
> >> 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
> >>
> >>
> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
> >> at
> >>
> >>
> org.apache.jsp.Hilfsprogramme.sql.Index_jsp._jspx_meth_t_aliasBean_0(org.apache.jsp.Index_jsp:475)
> >>
> >>
> >> The exception is only caused by pages which have a t:columns component.
> >> Did
> >> someone already experience
> >> a similar kind of problem?
> >>
> >> thank you,
> >> Janap
> >>
> >> --
> >> View this message in context:
> >>
> http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19743977.html
> >> Sent from the MyFaces - Users mailing list archive at Nabble.com.
> >>
> >>
> >
> >
> > --
> > Hazem Ahmed Saleh Ahmed
> >
> > Web blog: http://www.jroller.com/page/HazemBlog
> >
> > [Web 2.0] GMaps Integration with JSF + Apache Tomahawk + JBoss a4j:
> > http://code.google.com/p/gmaps4jsf/
> >
> > Author of (The Definitive Guide to Apache MyFaces and Facelets):
> >
> http://www.amazon.com/gp/product/images/1590597370/ref=dp_image_text_0?ie=UTF8&n=283155&s=books
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19744426.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>
>
--
Hazem Ahmed Saleh Ahmed
Author of (The Definitive Guide to Apache MyFaces and Facelets):
http://www.amazon.com/gp/product/images/1590597370/ref=dp_image_text_0?ie=UTF8&n=283155&s=books
Web blog: http://www.jroller.com/page/HazemBlog
[Web 2.0] Google Maps Integration with JSF:
http://code.google.com/p/gmaps4jsf/
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Janap <ja...@gmail.com>.
Thank you for the reply. I do not precompile my JSP's . Anyways I made a
complete clean build in Eclipse.
The problem still persists.
I do have the tomahawk examples project in my Eclipse. They work with
myfaces core 1.1.6 , i am using 1.1.5 , do you think that is the problem?
Currenltly I am checking into this class UIComponentClassicTagBase which has
the implementation for doAfterBody()
best wishes
Janap
Hazem Saleh-2 wrote:
>
> Jonap,
>
> <t:columns> works fine with Tomahawk 1.1.7.
> Please check this:
> http://mashups.s43.eatj.com/myfaces-example-simple/crossDataTable.jsf
>
> Thank you!
>
> On Tue, Sep 30, 2008 at 5:07 PM, Janap <ja...@gmail.com> wrote:
>
>>
>> Hello,
>>
>> Today I downloaded the latest version of tomahawk 1.1.7 to discover that
>> none of my pages are working.
>> Till date I worked with 1.1.7- snapshot which works fine.
>>
>> Exception caused :
>>
>> Stacktrace:
>> at
>>
>> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
>> at
>>
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
>> 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:802)
>> 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.processRequest(ApplicationDispatcher.java:463)
>> at
>>
>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
>> at
>>
>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
>> at
>>
>> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
>> ... 24 more
>> Caused by: org.apache.jasper.JasperException:
>> org.apache.myfaces.custom.crosstable.HtmlColumnsTag.doAfterBody()I
>> at
>>
>> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
>> at
>>
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
>> 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:802)
>> 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
>>
>> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
>> at
>>
>> org.apache.jsp.Hilfsprogramme.sql.Index_jsp._jspx_meth_t_aliasBean_0(org.apache.jsp.Index_jsp:475)
>>
>>
>> The exception is only caused by pages which have a t:columns component.
>> Did
>> someone already experience
>> a similar kind of problem?
>>
>> thank you,
>> Janap
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19743977.html
>> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>>
>>
>
>
> --
> Hazem Ahmed Saleh Ahmed
>
> Web blog: http://www.jroller.com/page/HazemBlog
>
> [Web 2.0] GMaps Integration with JSF + Apache Tomahawk + JBoss a4j:
> http://code.google.com/p/gmaps4jsf/
>
> Author of (The Definitive Guide to Apache MyFaces and Facelets):
> http://www.amazon.com/gp/product/images/1590597370/ref=dp_image_text_0?ie=UTF8&n=283155&s=books
>
>
--
View this message in context: http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19744426.html
Sent from the MyFaces - Users mailing list archive at Nabble.com.
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Hazem Saleh <ha...@apache.org>.
Jonap,
<t:columns> works fine with Tomahawk 1.1.7.
Please check this:
http://mashups.s43.eatj.com/myfaces-example-simple/crossDataTable.jsf
Thank you!
On Tue, Sep 30, 2008 at 5:07 PM, Janap <ja...@gmail.com> wrote:
>
> Hello,
>
> Today I downloaded the latest version of tomahawk 1.1.7 to discover that
> none of my pages are working.
> Till date I worked with 1.1.7- snapshot which works fine.
>
> Exception caused :
>
> Stacktrace:
> at
>
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
> at
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> 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:802)
> 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.processRequest(ApplicationDispatcher.java:463)
> at
>
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
> at
>
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
> at
>
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
> ... 24 more
> Caused by: org.apache.jasper.JasperException:
> org.apache.myfaces.custom.crosstable.HtmlColumnsTag.doAfterBody()I
> at
>
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
> at
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> 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:802)
> 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
>
> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
> at
>
> org.apache.jsp.Hilfsprogramme.sql.Index_jsp._jspx_meth_t_aliasBean_0(org.apache.jsp.Index_jsp:475)
>
>
> The exception is only caused by pages which have a t:columns component. Did
> someone already experience
> a similar kind of problem?
>
> thank you,
> Janap
>
> --
> View this message in context:
> http://www.nabble.com/Tomahawk-1.1.7-t%3Acolumns-problem-in-new-build-tp19743977p19743977.html
> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>
>
--
Hazem Ahmed Saleh Ahmed
Web blog: http://www.jroller.com/page/HazemBlog
[Web 2.0] GMaps Integration with JSF + Apache Tomahawk + JBoss a4j:
http://code.google.com/p/gmaps4jsf/
Author of (The Definitive Guide to Apache MyFaces and Facelets):
http://www.amazon.com/gp/product/images/1590597370/ref=dp_image_text_0?ie=UTF8&n=283155&s=books
Re: Tomahawk 1.1.7 t:columns problem in new build
Posted by Simon Kitching <sk...@apache.org>.
Janap schrieb:
> Hello,
>
> Today I downloaded the latest version of tomahawk 1.1.7 to discover that
> none of my pages are working.
> Till date I worked with 1.1.7- snapshot which works fine.
>
> Exception caused :
>
> Stacktrace:
> at
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> 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:802)
> 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.processRequest(ApplicationDispatcher.java:463)
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
> at
> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
> ... 24 more
> Caused by: org.apache.jasper.JasperException:
> org.apache.myfaces.custom.crosstable.HtmlColumnsTag.doAfterBody()I
> at
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
> 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:802)
> 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
> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
> at
> org.apache.jsp.Hilfsprogramme.sql.Index_jsp._jspx_meth_t_aliasBean_0(org.apache.jsp.Index_jsp:475)
>
>
> The exception is only caused by pages which have a t:columns component. Did
> someone already experience
> a similar kind of problem?
>
Have you tried deleting your jsp "work directory" where the precompiled
jsps are?