Are you getting below eclipse startup error? A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run Eclipse. No The essential tools for any Java developer, including a Java IDE, a CVS client, Git client, XML Editor, Mylyn, Maven integration and WindowBuilder Acknowledgements "YourKit kindly supports PyDev (and other open source projects) with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading softwa Eclipse normally looks on the computer for Java installations and selects an installed version of Java to use for running your Java programs. The computer may have more than one version of Java, so double-check Eclipse’s Java version selection. These steps are optional. Follow them only if you suspect that Eclipse isn’t using your computer’s … The Quick Auto-Config may set Eclipse up the way you want it, but only if some version of Python 3 is selected. If no version of Python is found, follow the next steps. If an earlier version of Python is found, make sure that you remove it with the Remove button and follow the next steps.