SLING-4143 - we're catching all Throwable anyway

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1638883 13f79535-47bb-0310-9956-ffa450edef68
SLING-4143 - java.version 6 is not needed anymore

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1638886 13f79535-47bb-0310-9956-ffa450edef68