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Posted to users@cocoon.apache.org by Jonathan Linczak <li...@hiram.edu> on 2004/10/04 17:51:54 UTC
Help with selector - very basic
Hi all,
First time using a selector (don't laugh!) and I wrote a simple
pipeline that changes based on the parameter matched:
<map:pipeline>
<map:match pattern="**/*/*/teamstats.html">
<map:select type="parameter">
<map:parameter name="parameter-selector-test" value="{2}"/>
<map:when test="menssports">
<map:read mime-type="text/html"
src="content/authoring/stats/m-{3}/teamstats.htm"/>
</map:when>
<map:when test="womenssports">
<map:read mime-type="text/html"
src="content/authoring/stats/w-{3}/teamstats.htm"/>
</map:when>
</map:select>
</map:match>
</map:pipeline>
When I go to the page:
http://www.someplace.com:8080/lenya/athletics/authoring/menssports/
football/teamstats.html
I get the following error:
org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
org.apache.cocoon.ProcessingException: Streaming of an internal
pipeline is not possible with a reader.
I have my files in the right place, and I followed the examples in the
documentation online and in the Cocoon book. Any thoughts about what I
need to check to get this to work?
Jon
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Re: Help with selector - very basic
Posted by Joerg Heinicke <jo...@gmx.de>.
On 04.10.2004 17:51, Jonathan Linczak wrote:
> First time using a selector (don't laugh!) and I wrote a simple
> pipeline that changes based on the parameter matched:
>
> <map:pipeline>
> <map:match pattern="**/*/*/teamstats.html">
> <map:select type="parameter">
> <map:parameter name="parameter-selector-test" value="{2}"/>
> <map:when test="menssports">
> <map:read mime-type="text/html"
> src="content/authoring/stats/m-{3}/teamstats.htm"/>
> </map:when>
> <map:when test="womenssports">
> <map:read mime-type="text/html"
> src="content/authoring/stats/w-{3}/teamstats.htm"/>
> </map:when>
> </map:select>
> </map:match>
> </map:pipeline>
>
> When I go to the page:
> http://www.someplace.com:8080/lenya/athletics/authoring/menssports/
> football/teamstats.html
>
> I get the following error:
>
> org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
> org.apache.cocoon.ProcessingException: Streaming of an internal
> pipeline is not possible with a reader.
There is no error in using the selector, but it seems that the above
pipeline is included into another one (that's why the error message
talks about internal pipeline). It's difficult to say without seeing the
rest of the sitemap. But replacing the reader with a generator and a
serializer as suggested by Mark should work in every case. If the file
is HTML and not XML, you need the HTMLGenerator and the HTMLSerializer.
Joerg
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Re: Help with selector - very basic
Posted by Jonathan Linczak <li...@hiram.edu>.
> On Oct 4, 2004, at 8:51 AM, Jonathan Linczak wrote:
>
>> Hi all,
>>
>> First time using a selector (don't laugh!) and I wrote a simple
>> pipeline that changes based on the parameter matched:
>>
>> <map:pipeline>
>> <map:match pattern="**/*/*/teamstats.html">
>> <map:select type="parameter">
>> <map:parameter name="parameter-selector-test" value="{2}"/>
>> <map:when test="menssports">
>> <map:read mime-type="text/html"
>> src="content/authoring/stats/m-{3}/teamstats.htm"/>
>> </map:when>
>> <map:when test="womenssports">
>> <map:read mime-type="text/html"
>> src="content/authoring/stats/w-{3}/teamstats.htm"/>
>> </map:when>
>> </map:select>
>> </map:match>
>> </map:pipeline>
>>
>> When I go to the page:
>> http://www.someplace.com:8080/lenya/athletics/authoring/menssports/
>> football/teamstats.html
>>
>> I get the following error:
>>
>> org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
>> org.apache.cocoon.ProcessingException: Streaming of an internal
>> pipeline is not possible with a reader.
>
> You might try using a generator+serializer instead of a reader.
> Replace the reader with a generator, and put the serializer right
> after the selector.
Mark, I'm a bit confused in that I don't really need to generate or
serialize since I just want to read in the file that was pre-generated
by another application. I thought it would make my life easier if I
threw the documents into Apache's document root instead, and then
replaced the <map:read> tags with <map:redirect-to> tags, but not I get
the following error:
org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
java.io.IOException
Very strange... should I not even be doing this?
Jon
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Re: Help with selector - very basic
Posted by Mark Lundquist <ml...@wrinkledog.com>.
On Oct 4, 2004, at 8:51 AM, Jonathan Linczak wrote:
> Hi all,
>
> First time using a selector (don't laugh!) and I wrote a simple
> pipeline that changes based on the parameter matched:
>
> <map:pipeline>
> <map:match pattern="**/*/*/teamstats.html">
> <map:select type="parameter">
> <map:parameter name="parameter-selector-test" value="{2}"/>
> <map:when test="menssports">
> <map:read mime-type="text/html"
> src="content/authoring/stats/m-{3}/teamstats.htm"/>
> </map:when>
> <map:when test="womenssports">
> <map:read mime-type="text/html"
> src="content/authoring/stats/w-{3}/teamstats.htm"/>
> </map:when>
> </map:select>
> </map:match>
> </map:pipeline>
>
> When I go to the page:
> http://www.someplace.com:8080/lenya/athletics/authoring/menssports/
> football/teamstats.html
>
> I get the following error:
>
> org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
> org.apache.cocoon.ProcessingException: Streaming of an internal
> pipeline is not possible with a reader.
You might try using a generator+serializer instead of a reader.
Replace the reader with a generator, and put the serializer right after
the selector.
HTH,
mark
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