This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
You can always see at what index of the String the exception occurs by checking the ParseException's error offset:
In this case it fails because German expect "Mo", not "Mon". My default locale has no problems at all.