I don't like the whole concept of installers for my development tools like JDK, Eclipse, Netbeans, etc. I just keep a batch/shell script to setup my environment variables for JAVA_HOME, PATH and aliases. So, on Windows, updating JDK involves installing new version of JDK and then copying what I need and then uninstall …

Google has released its App Engine SDK on Maven central as a zip. But its very large and causes a "Error 503 backend read error". So, after a lot of head-banging I resolved this by adding SDK zip package (Yes! one from website) and a few jars (optional), to maven. Skip to end for the commands. You may have to modify …