In Java, the program that is coded by the programmer can be used in a very unexpected way by the user, due to this, the program may fail in different sort of ways during execution.
System.NullReferenceException At Docker.ApiServices.ClientConfig.DockerLoginSync.CredentialChanged. A few days ago I noticed that Docker Desktop wasn’t running on my workstation. Each time I started it up, it would briefly show up in the system tray and then disappear.
This blog post started with a simple problem in my Java-based application: I’ve got an API access token and I want to return the associated API client identity if it is valid, or no identity otherwise.
Explore the issue of which exception to throw when someone passes a null parameter to one of our methods: IllegalArgumentExcpetion or NullPointerException.
Learn the cause of ArrayStoreException, how to handle it, and best practices for avoiding it. In this tutorial, we'll demonstrate the cause of _ArrayStoreException_, how to handle it, and best practices for avoiding it.
In Java, exceptions are generally considered expensive and shouldn't be used for flow control. This tutorial **will prove that this perception is correct and pinpoint what causes the performance issue.**
Jackson, JSON and the Proper Handling of Unknown Fields in APIs. How to proper deserialize json to java objects without facing UnrecognizedPropertyException when getting unkown fields or properties when consuming rest API
In this quick tutorial, we're going to see what causes Java to throw an instance of the ExceptionInInitializerError exception. We'll start with a little bit of theory. Then we'll see a few examples of this exception in practice.