This is an archive of the old software engineering chair at Saarland University. It is no longer up-to-date.


Lightweight defect localization for Java

Software Engineering Chair (Prof. Zeller)
Saarland University – Computer Science
Saarland Informatics Campus
Campus E9 1 (CISPA)
66123 Saarbrücken, Germany
E-mail: zeller @
Phone: +49 681 302-70970

Deutschsprachige Startseite Page d'acceuil en franšais English home page

The Ample project at Software Engineering Chair, Saarland University investigates a lightweight automated debugging approach based on comparing the traces of multiple runs. Ample automatically determines classes that are likely to cause the failure with surprisingly high precision.

What's New

  • A new command-line implementation that captures patterns and calculates rankings is available for download.
  • A Demo Paper on Ample has been accepted at AADEBUG 2005.
  • A Paper on Ample has been accepted at ECOOP 2005.


Ample is currently being implemented as a plugin for the Eclipse IDE.
  • A beta version of Ample is available for download.


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