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Support Article

Error on running application

SA-75218

Summary



Errors occur on running the application.


Error Messages



On the User Interface (UI)
Failed to find instance @baseclass.TabbedNavCaptureActivity of type Rule-HTML-Harness.

In the logs 
Error adopting XML from post data :                                                                                                   
com.pega.pegarules.pub.clipboard.InvalidStreamError: InvalidStream com.pega.pegarules.data.internal.clipboard.XMLStream.newStream(String, StorageStream) sax parse error: Content is not allowed in prolog. 



Steps to Reproduce

  1. Utilize the application
  2. Verify the logs


Root Cause



The Internet Explorer browser sends the header and body of the request in separate TCP packets. Sometimes, the body packet is not present for a few requests. However, Pega does not handle such requests.


Resolution

Apply HFix-50285.

 

Published October 8, 2020

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