Looking across the bosh releases on my laptop. The 2 with java7 should be on github.
$ tree -L 3 */packages/java*
cf-services-contrib-release/packages/java7
├── packaging
└── spec
terracotta-boshrelease/packages/java7
├── packaging
└── spec
zookeeper-boshrelease/packages/java6
├── packaging
└── spec