If you face following exception while deploying your application in tomcat:org.apache.catalina.lifecycleexception: failed to start component [standardengine [catalina].standardhost ...

Have problem when debugging junit tests with the latest version of vscode (on osx), after clicking on "debug test" above test case, get error Exception has occurred ...

The Java platform includes a variety of language features and library types for dealing with exceptions, which are divergences from expected program behavior. In my previous article, you learned ...

2. If the java package names are not changed, did we use the "friend" mechanism in our OSGi implementation to hide classes from any bundle other than the one needing it in our implementation. bnevins: ...