WebLogic Portal (WLP) Admin Tool (PAT) Throws Exception "An error occurred while parsing DA Hierarchy : Document is invalid: no grammar found" Due to a Third Party XML Parser Conflict
Last updated on FEBRUARY 20, 2018
Applies to:Oracle WebLogic Portal - Version 8.1 and later
Information in this document applies to any platform.
***Checked for relevance on 02-Oct-2012***
Using a third party product that uses the xercesImpl.jar. When including the xercesImpl.jar file in the ClassPath, the WebLogic Portal (WLP) Admin Tool (PAT) application fails during login with the following error:
Exception Message: An error occurred while parsing DA Hierarchy : Document is invalid: no grammar found.
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