GitHub

Null pointer exception when computing facets

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

Effective Unit Test Generation for Java Null Pointer Exceptions

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 ...
GitHub

null pointer exceptions on index restore

-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 ...
InfoQ

How Meta Ported Million Lines of Android Code from Java to Kotlin

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
InfoQ

Null-Restricted and Nullable Types for Java

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Kenneth Harris, a NASA veteran who worked on ...
devdiscourse

How to handle Exceptions in Java

Do you know what is exception handling in Java? have you ever thought about how to exception handling in Java? Let us try to know exception handling in JavaScript & gather knowledge about exception ...
InfoWorld

How to use the null object pattern in .NET

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 ...