Classpath is incomplete

Hi,
I am being faced with a problem while configuring my project in Eclipse.
While giving a build in Eclipse its shwoing me the error of 'classpath is incomplete
Error The project was not built since its classpath is incomplete. Cannot find the class file for org.apache.xpath.CachedXPathAPI. Fix the classpath then try rebuilding this project.
I am not sure which jar to check in my lib folder to see whether does really the class file exist or not?.....
please help me out people.

unzip your jars to se where the class file is

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Compiling error! Classpath is incomplete

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I have created a Web Dynpro Project, and imported a web service model. When I built the project, it cannot find the class file for com.sap.tc.webdynpro.model.webservice.gci.WSTypedModelClass.
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Thanks. But there isn't one that can address my error:
"This compilation unit indirectly references the missing type java.lang.object (typically some required class file is referencing a type outside the classpath" and
"This project was not build since it's classpath is incomplete. Cannot find class file for java.lang.object. Fix the classpath then try rebuilding this project."
Help Help

The project was not built since its classpath is incomplete.

Dear Experts,
I am getting the following error in NWDS,
The project was not built since its classpath is incomplete. Cannot find the class file for java.lang.Object. Fix the classpath then try rebuilding this project.
Please Suggest
Warm Regards,
Upendra Agrawal

Hi
Close the project in nwds, close nwds and open again.
Now try to open project again.
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Hi Roberto,
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Hi,
While building a new Web Dynpro DC we got the following build errors:
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Hi Gaurang,
Were you able to resolve your issue?
Hope the following links help:
/message/7579461#7579461 [original link is broken]
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package com.kpmg.portaldev.jspdynpages;
import com.sapportals.portal.prt.component.*;
import com.sapportals.htmlb.*;
import com.sapportals.htmlb.enum.*;
import com.sapportals.htmlb.event.*;
import com.sapportals.htmlb.page.*;
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JAR FINDER
/people/kirupanand.venkatapathi2/blog/2006/01/02/using-jar-class-finder
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Hi,
each time I sync my WebDynpro-project with the inactive
sources from the DTR I get this error message during the
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The project was not built since its classpath is incomplete. Cannot find the class file for
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Next sync = same probs.
Other project members get the same.
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Hi Alfred,
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Under Dependency Type check
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Classpath is incomplete

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