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Posted to dev@cocoon.apache.org by Frank Wulf <fr...@frankwulf.de> on 2002/12/26 22:14:12 UTC

UnnamedSelector: ComponentSelector could not find the component for hint

Hi,

I'm new to Cocoon and trying to develop a little cocoon serializer to convert xml-data to binary output.
However cocoon gives me the following error message:

type fatal

message UnnamedSelector: ComponentSelector could not find the component for hint: testser

description org.apache.avalon.framework.component.ComponentException: UnnamedSelector: ComponentSelector could not find the component for hint: testser

sender org.apache.cocoon.servlet.CocoonServlet

source Cocoon servlet

Any hint where to search for this error?

My sitemap.xmap entries are:

<map:serializer mime-type="application/octet-stream" name="testser" src="de.mpc.serialization.TestSerializer"/>
....
<map:pipeline>
   <map:match pattern="serializer_test">
     <map:generate src="docs/samples/serializer_test/test.xml"/>
     <map:serialize type="testser"/>
   </map:match>
</map:pipeline>

I looked through all the Serializer-code examples but got no clue so far.


Thanks,

Frank Wulf

Re: UnnamedSelector: ComponentSelector could not find the component for hint

Posted by Frank Wulf <fr...@frankwulf.de>.
Matthew,

everything is configured as you adviced. Configuration of my Serializer takes place inside the <map:components> section. All needed classes are located in a Jar-File which is placed in the Cocoon/WEB-INF/libs directory. I also implemented a Reader class in this jar-file with the same functionality which works well - but i need a Serializer to take advantage of the Cocoon pipeline model.

Is the mentioned UnnamedSelector - error a hint that something went wrong within the sitemap-configuration or may i have missed something essential in the Serializer implementation itself?

If anybody has some tips where to find documentation about writing cocoon serializers i would be really happy. I read the Dev chapters in "Cocoon - Building XML-Applications", which is really a great book but the serializers aren't covered there ... ;-)

Frank


  ----- Original Message ----- 
  From: Matthew Langham 
  To: cocoon-dev@xml.apache.org 
  Sent: Thursday, December 26, 2002 10:19 PM
  Subject: RE: UnnamedSelector: ComponentSelector could not find the component for hint


  Frank,

  have you configured your new selector into the sitemap in the <map:components> section?
  Have you made your implementation available to Cocoon (as a Jar in the libs directory etc.)
  Are all the needed Java classes available to the selector..

  Matthew
  --
  Open Source Group       Cocoon { Consulting, Training, Projects }
  =================================================================
  Matthew Langham, S&N AG, Klingenderstrasse 5, D-33100 Paderborn
  Tel:+49-5251-1581-30  mlangham@s-und-n.de - http://www.s-und-n.de
  -----------------------------------------------------------------
  Cocoon book:
    http://www.amazon.com/exec/obidos/ASIN/0735712352/needacake-20
  Weblog:
    http://radio.weblogs.com/0103021/
  =================================================================
    

    -----Original Message-----
    From: Frank Wulf [mailto:frank.wulf@frankwulf.de]
    Sent: Thursday, December 26, 2002 10:14 PM
    To: cocoon-dev@xml.apache.org
    Subject: UnnamedSelector: ComponentSelector could not find the component for hint


    Hi,

    I'm new to Cocoon and trying to develop a little cocoon serializer to convert xml-data to binary output.
    However cocoon gives me the following error message:

    type fatal

    message UnnamedSelector: ComponentSelector could not find the component for hint: testser

    description org.apache.avalon.framework.component.ComponentException: UnnamedSelector: ComponentSelector could not find the component for hint: testser

    sender org.apache.cocoon.servlet.CocoonServlet

    source Cocoon servlet

    Any hint where to search for this error?

    My sitemap.xmap entries are:

    <map:serializer mime-type="application/octet-stream" name="testser" src="de.mpc.serialization.TestSerializer"/>
    ....
    <map:pipeline>
       <map:match pattern="serializer_test">
         <map:generate src="docs/samples/serializer_test/test.xml"/>
         <map:serialize type="testser"/>
       </map:match>
    </map:pipeline>

    I looked through all the Serializer-code examples but got no clue so far.


    Thanks,

    Frank Wulf

RE: UnnamedSelector: ComponentSelector could not find the component for hint

Posted by Matthew Langham <ml...@s-und-n.de>.
Frank,

have you configured your new selector into the sitemap in the
<map:components> section?
Have you made your implementation available to Cocoon (as a Jar in the libs
directory etc.)
Are all the needed Java classes available to the selector..

Matthew
--
Open Source Group       Cocoon { Consulting, Training, Projects }
=================================================================
Matthew Langham, S&N AG, Klingenderstrasse 5, D-33100 Paderborn
Tel:+49-5251-1581-30  mlangham@s-und-n.de - http://www.s-und-n.de
-----------------------------------------------------------------
Cocoon book:
  http://www.amazon.com/exec/obidos/ASIN/0735712352/needacake-20
Weblog:
  http://radio.weblogs.com/0103021/
=================================================================


  -----Original Message-----
  From: Frank Wulf [mailto:frank.wulf@frankwulf.de]
  Sent: Thursday, December 26, 2002 10:14 PM
  To: cocoon-dev@xml.apache.org
  Subject: UnnamedSelector: ComponentSelector could not find the component
for hint


  Hi,

  I'm new to Cocoon and trying to develop a little cocoon serializer to
convert xml-data to binary output.
  However cocoon gives me the following error message:

  type fatal

  message UnnamedSelector: ComponentSelector could not find the component
for hint: testser

  description org.apache.avalon.framework.component.ComponentException:
UnnamedSelector: ComponentSelector could not find the component for hint:
testser

  sender org.apache.cocoon.servlet.CocoonServlet

  source Cocoon servlet

  Any hint where to search for this error?

  My sitemap.xmap entries are:

  <map:serializer mime-type="application/octet-stream" name="testser"
src="de.mpc.serialization.TestSerializer"/>
  ....
  <map:pipeline>
     <map:match pattern="serializer_test">
       <map:generate src="docs/samples/serializer_test/test.xml"/>
       <map:serialize type="testser"/>
     </map:match>
  </map:pipeline>

  I looked through all the Serializer-code examples but got no clue so far.


  Thanks,

  Frank Wulf