The build planned for 6/7 should have the final FCS version string. This means, that -ea needs to be removed and the java -version should produce the following output:

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java version "1.7.0"
Java(TM) SE Runtime Environment (build 1.7.0-bXXX)
Java HotSpot(TM) Server VM (build 21.0-bYY, mixed mode)
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XXX should be the current build number (e.g. 146) and YY should be the HS build version (e.g. 14)