All posts by Andrew Powell-Morse

dotnet Exception Handling

.NET Exceptions – System.Security.Authentication.InvalidCredentialException

Making our way through the detailed .NET Exception Handling series we’ve been creating, today we’ll be looking into the System.Security.Authentication.InvalidCredentialException. The InvalidCredentialException occurs when authentication fails for one of a number of authentication stream classes in the .NET Framework. In this article we’ll explore the InvalidCredentialException by looking at where… continue reading →

Java Exception Handling

Java Exception Handling – UnsupportedClassVersionError

Moving along through our detailed Java Exception Handling series, today we’ll be taking a closer look at the UnsupportedClassVersionError. The UnsupportedClassVersionError can be rather confusing, but the simplest explanation is that it occurs when the Java Virtual Machine (JVM) attempts to access a class file that was compiled using a… continue reading →

dotnet Exception Handling

.NET Exceptions – System.Xml.XPath.XPathException

Continuing our journey through the in-depth .NET Exception Handling series, today we’ll go over the System.Xml.XPath.XPathException. A XPathException is thrown anytime an error occurs while performing basic XPath parsing, using classes such as XPathNavigator and the like. Throughout this article we’ll explore the XPathException in more detail, starting with where… continue reading →