Compilation error with JDK8 b128

/mnt/ebs/TeamCity/buildAgent/work/masterjdk7/commons/src/main/java/org/infinispan/commons/util/concurrent/jdk8backported/EquivalentConcurrentHashMapV8.java:[4555,45] error: spliterator() in KeySetView cannot implement spliterator() in Set
  return type ConcurrentHashMapSpliterator<K> is not compatible with Spliterator<K>
  where K,E are type-variables:
    K extends Object declared in class KeySetView
    E extends Object declared in interface Set
/mnt/ebs/TeamCity/buildAgent/work/masterjdk7/commons/src/main/java/org/infinispan/commons/util/concurrent/jdk8backported/EquivalentConcurrentHashMapV8.java:[4613,45] error: spliterator() in ValuesView cannot implement spliterator() in Collection
  return type ConcurrentHashMapSpliterator<V> is not compatible with Spliterator<V>
  where V,E are type-variables:
    V extends Object declared in class ValuesView
    E extends Object declared in interface Collection
/mnt/ebs/TeamCity/buildAgent/work/masterjdk7/commons/src/main/java/org/infinispan/commons/util/concurrent/jdk8backported/EquivalentConcurrentHashMapV8.java:[4702,58] error: spliterator() in EntrySetView cannot implement spliterator() in Set
3 errors