Hi Team, 

As part of Testing after Upgrade to 8.3 in lower environment, found below issue while select a file for fi upload function.

com.pega.pegarules.pub.PRRuntimeException: Illegal characters detected in the path "/StaticContent/global/ServiceExport/text.txt:". You may not use the following characters:

I couldn't find any fix related to this in any of the posts. Can anyone please  help me out.

Solution updated:

Please find the fix below

Chang in java file of  pyUploadFile from semicolon(;) to colon (:) .

Old line of code

java.util.StringTokenizer st = new java.util.StringTokenizer(hiddenFileName, ";");

New line of code

java.util.StringTokenizer st = new java.util.StringTokenizer(hiddenFileName, ":");