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Editorial Team
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Asked: 2026-05-21T10:24:54+00:00

I am building a dynamic web project using eclipse j2ee helios 3 version. Everything

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I am building a dynamic web project using eclipse j2ee helios 3 version. Everything was working fine..but suddenly one day, when I opened the eclipse, all the ear and jre libraries which was visible in project explorer were gone. And after that I had to put all the libraries related to it manually inside workspace of eclipse/projects folder/web inf/ lib. I did put the servlet-api.jar inside the lib folder of the project, but it was giving me some validate jar error. So, I removed it from the lib folder, but now when i am trying to run the servlet run as-> run on server, I am getting this error:

HTTP Status 404 - 

--------------------------------------------------------------------------------

type Status report

message 

description The requested resource () is not available.


--------------------------------------------------------------------------------

Apache Tomcat/6.0.30

and the url is weird too:

http://localhost:8080/cPEP_UI/WEB-INF/classes/Engine_rurl_delete.java

any ideas guys?!

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1 Answer

  1. Editorial Team

    You can manage the dynamic web project facets by Rightclick project > Properties > Project Facets. At least Dynamic Web Module and Java must be checked. You can manage the dynamic web project targeted runtime (which contains the necessary libraries) by Rightclick project > Properties > Targeted Runtime. At least one server must be associated. You should above all not put servletcontainer specific libraries in webapp’s /WEB-INF/lib. This is not the right way to do.

    If in vain or you don’t understand the undercovers meaning/working of those, I’d suggest to backup the code, throw away the project and create a new one. And then be careful with project properties/settings.

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