11g Reports Development Environment, Run Web Layout Error

Hi,
I'm using
Operation System: Windows 7 32 bit
Jdk: jdk1.7.0_07
Weblogic Server: 10.3.6
Forms and Reports: 11.1.2 Development Environment.
When I'm trying to run report in web layout, it gives error
java.lang.NoClassDefFoundError:
Javax/servlet/jsp/tagext/TagLibraryInfo
Kindly help me to resolve this error
Thanks
Edited by: Sadiq Ali on Oct 3, 2012 11:08 PM

Hello,
First, JDK 1.7 is not certified with Forms 11gR2. Only JDK 1.6 familly is certified and supported.
It seems to be an environment/installation issue as this installation works fine.
- Are you installing as Admin user and running Builder as the with the same OS user?
- Let me know the WLS 10.3.6 complete zip file name you installed and the command you used to install it. Also the 11.1.2 file names for review
As a workaround:
You can open rwrun.jar in Jdeveloper and check the classpath in the manifest.
I remembered i had an issue on this(11.1.1.3 version) when rwrun.jar called a jar file javax.jsp_1.1.0.0_2-1.jar that did not exist in the installaton(There was a newer version like javax.jsp_1.2.0.0_2-1.jar in the installation).
Normally should not be happening in 11gR2, but give it a try.
Regards,
Alex
If someone's answer is helpful or correct please mark it accordingly.

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In this Document
Symptoms
Cause
Solution
This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process, and therefore has not been subject to an independent technical review.
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