ant and java 8 - “major version 52 is newer than 51, the highest major version supported by this compiler”

Question

I am trying to upgrade my ant project from java 7 to java 8.
(the project deployed in \"Eclipse Kepler\" with \"Java™ 8 support to Eclipse Kepler SR2\")

For that

Answer 1

Make sure to add JAVA_HOME in the Classpath variables: Window->Java->Build Path->Classpath variables point to "path/to/jdk"