Perhaps this thread will be of assistance.
There is no Phoenix package from Cloudera Labs for CDH 5.7 yet. (Please note that with Cloudera Labs releases, there is no guarantee of compatability across new releases.)
I knew that Phoenix support is not yet available for CDH 5.6 & CDH 5.7 versions. Is there any alternative to make phoenix work on CDH 5.6 like building the jars from source code ?