Intermittent Error when editing/saving or opening/closing a component in Magnolia

Steps to reproduce

1.  Customer facing intermittent error when editing/saving or opening/closing a component. As per investigation, the error occurs in:

   info.magnolia.util.Util:createUniqueName(String baseName)
   
   trailingIndex = Integer.parseInt(baseName.substring(trailingIndexStartPosition));
   

2.  Issue happen due to wrong parsing of random sub-string from node UUID. See attached log.

.. Logs, screenshots, gifs...

Expected results

• By fixing the coding error, we can have it run properly as our expected result.

.. Justify non-trivial expectations with a link to a doc or a relevant discussion.

Actual results

• Issue sometimes happen which prevented editors from editing and saving component.

Workaround

• N/A

Development notes

• Coding error.