ABAP Webdynpro Iview gives error in Portal 7.3

Dear Experts,
I have created iview by using ABAP wedynpro applicartion.it's through's below error.
Please suggest me how resolve this. Cureetly we are running EP 7.3.
404 Not Found
SAP NetWeaver Application Server
Error: Requested resource does not exist.
SAP Technology Troubleshooting Guide
Details: Go to main page of this application.
Thanks in advance.
Regards,
Mahee.

Hi Mahee,
while creating an Web Dynpro ABAP ivew.
we have to give the System , Namesapace , Application Name and Web Dynpro Client.
you have to check the System( Connection Test) and also check the ABAP application is activated or not in R/3.
you have to select Web Dynpro Client as Plain HTML.
Hope it helps....
Thanks,
cbr

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Right Click on any UI Element in Portal->Go to more field help->TEchical Information. You can see all the information about component, application, ui elements etc.
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We are on EP 6.0 SP 17 (Netweaver 2004).
KMC component was installed separately (Deployed manually).
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Help  SAP Netweaver 2004  People Integration  Collaboration  Administration Guide
http://help.sap.com/saphelp_nw04/helpdata/en/1d/3d59fdaa5ebb45967ea107d3fa117a/frameset.htm
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--- Nested WDF Exception -
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Hello Lars,
First of all thank you for your reply.
<b>do u use Collaboration first time?</b>
Yes, we just started using Collaboration and this is our first requirement.
<b>Which roles do u have?</b>
I have all the required roles (Super Admin, Content Management, Collaboration, Collaboration Room Creation).
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I am able to create Rooms, Enter Rooms, Receive Invitation e-mails without any problem.
Any suggestions about any possible missing configurations ?
Thanks Again,
Raj

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Greetings,
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I found this blog helpfull
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Hi,
we are getting the some what related errors in SE80 -> Web Dynpro Layout
An Error has occured in the script on this page .
Line : 1
Char : 1
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Code: 0
URL : http://<FQDN>:8000/sap/bc/wdvd/painting.html?_vdrespkey=4KZ4LYLFQA2I7X53H3CRICKFC&_vdframe=painting&sap-client=230
An Error has occured in the script on this page .
Line : 110
Char : 2
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Code: 0
URL : http://<FQDN>:8000/sap/bc/wdvd?_vdrespkey=4KZ4LYLFQA2I7X53H3CRICKFC&_vdframe=no_add_ui_lib&sap-client=230
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FQDN is mantianed at icm/host_name_full parameter in system as well as in /etc/hosts file with associated system IP address.
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Hi,
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--VP.

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I login portal with
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Hi,
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+ Copyright 2002 SAP AG. All rights reserved.
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I found that ppl faced this problem , but there was no solution given to any . Can anyone help me in bringing up the portal
Thanks in Advances
Lakshmi

Hi Vaibhav ,
DB is running fine , J2EE server is also up .
Below is the log from defaulttrace. we got an error while deploying a par file, and it didn't let us to deploy any par files , then we restarted the system and since then we are facting htis problem. Any chances that an application arroe could bring the whole portal server down? If so can you let me know how to trace and fix it
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Thanks,
lakshmi

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ABAP Webdynpro Iview gives error in Portal 7.3

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