java.lang.NullPointerException: Cannot invoke "com.google.refine.model.Column.getPrecompute(String)" because "column" is null at com.google.refine.browsing.facets ...

Abstract: In this experience paper, we share our experience on enhancing automatic unit test generation to more effectively find Java null pointer exceptions (NPEs). NPEs are among the most common and ...

-u RestoreIndices -a batchSize=1000 -a batchDelayMs=100 -a clean throws lots of exceptions like that below 2025-04-03 11:05:08,993 [main] ERROR c.l.d.u.restoreindices ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Senyo Simpson discusses how Rust's core ...

Take advantage of the null object pattern in .NET to eliminate the need for null checks and avoid runtime errors in your applications. You might often encounter null reference exceptions in your ...

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

Every time software runs, there's a potential for an error to occur that could grind the application to a halt. The Java programming language provides a number of ...