In this article, I want to describe how we managed to switch from Java 6 to Java 7 and get rid of some issues we found along the way. We use Eclipse 4.2.2 and had to change to Java 1.7.0u21. Our system consists of more than 30 eclipse projects that are managed by OSGI.
First, we installed Java 1.7.0u21 and added the JRE to eclipse. Because we cannot be sure that all of our users have a 64 bit system, we use the jre1.7.0_21-windows-i586: