Compile error in clustering/common module with older version of jdk 8

[ERROR] /home/pgier/projects/jboss-eap/clustering/common/src/main/java/org/jboss/as/clustering/controller/ExecutionHandler.java:[54,48] no suitable method found for collect(java.util.stream.Collector<E,capture#1 of ?,java.util.Map<java.lang.String,java.lang.Object>>)
    method java.util.stream.Stream.<R>collect(java.util.function.Supplier<R>,java.util.function.BiConsumer<R,? super capture#2 of ? extends E>,java.util.function.BiConsumer<R,R>) is not applicable
      (cannot infer type-variable(s) R
        (actual and formal argument lists differ in length))
    method java.util.stream.Stream.<R,A>collect(java.util.stream.Collector<? super capture#2 of ? extends E,A,R>) is not applicable
      (cannot infer type-variable(s) capture#3 of ?,T,K,U,T
        (argument mismatch; java.util.function.Function<capture#2 of ? extends E,capture#2 of ? extends E> cannot be converted to java.util.function.Function<? super capture#2 of ? extends E,? extends capture#2 of ? extends E>))
[INFO] 1 error