javax.xml.bind.UnmarshalException - with linked exception: [Exception [EclipseLink-25004] (Eclipse Persistence Services - 2.7.11.v20220804-52dea2a3c0): org.eclipse.persistence.exceptions.XMLMarshalException Exception Description: An error occurred unmarshalling the document Internal Exception: java…

Same as [image] kidus.admassu: Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[10,2] [image] javax.xml.stream.XMLStreamException: ParseError Bugs Report Hi @Dan_Bown , There was some invalid characters in execution0.log of the r…

Which version of Katalon Studio or KRE are you using?

As @duylong wrote , Katalon Studio prior to v8.0.5 had a bug that caused this Unmarshall exception. I suppose that you tried to open a very old project which were created using Katalon Studio older than v8.0.5, and now you tried to open the Reports folder which contained execution0.log file with bro…

Your project XML file is malformed, likely due to invalid characters or broken tags around line 10. Fix or restore the file to resolve the UnmarshalException. Here are small, clear steps to fix the UnmarshalException in Katalon Studio: Go to your project folder Locate the .prj or project.setting…

Upgrade to the latest version of Katalon Studio and confirm if the issue still persists

Encountering Unmarshall exception, unable to open the project

Miscellaneous

kazurayam September 14, 2025, 9:05pm 2

Same as

Topic		Replies	Views
Unable to Open Project in Katalon 7.0.7 - Unmarshall Exception Bug Report critical , katalon-studio , bugs-report , tracked	2	2206	November 8, 2019
Can't Open Project UnmarshalException Bug Report katalon-studio , bugs-report	14	5109	September 10, 2018
Unable to open project UnmarshalException error Bug Report katalon-studio , bugs-report	2	1907	September 10, 2021
Unmarshal Exception Bug Report katalon-studio , bugs-report	3	1262	April 4, 2018
Unable to open project. Reason: UnmarshallException Bug Report katalon-studio , bugs-report	0	615	April 17, 2018

Encountering Unmarshall exception, unable to open the project

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