Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

Unable to deploy web.xml after updating SSO config



Making edits to the web.xml to support SSO resulted in the following error

Error Messages [Root exception is org.eclipse.jst.j2ee.commonarchivecore.internal.exception.DeploymentDescriptorLoadException: WEB-INF/web.xml] 

Steps to Reproduce

Not Applicable

Root Cause

A software use or operation error

The edited web.xml file contained two elements for


Perform the following local-change:

Remove the duplicate <login-config><login-config/> element.

The web.xml file must follow the web-app_2_3.dtd order.
Reference DOCTYPE at top of web.xml

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" ""> 


Published January 31, 2016 - Updated October 8, 2020

Was this useful?

0% found this useful

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

Did you find this content helpful?

Want to help us improve this content?

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us