The selected wizard could not be started. Plug-in org.apache.hadoop.eclipse was unable to load class

The selected wizard could not be started.
Plug-in org.apache.hadoop.eclipse was unable to load class org.apache.hadoop.eclipse.NewMapReduceProjectWizard.

org/apache/hadoop/eclipse/NewMapReduceProjectWizard : Unsupported major.minor version 52.0

build.properties 

add:

#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.


output.. = bin/
bin.includes = META-INF/,\
               plugin.xml,\
               resources/,\
               classes/,\
               classes/,\
               lib/
source..=src/