The capacity property of a load-metric of mod_cluster has a incorrect float default value when the type of the property is INT.

[standalone@localhost:9999 load-metric=busyness] pwd
/subsystem=modcluster/mod-cluster-config=configuration/dynamic-load-provider=configuration/load-metric=busyness
[standalone@localhost:9999 load-metric=busyness] :read-resource
{
"outcome" => "success",
"result" => { "capacity" => 1.0, "property" => undefined, "type" => "busyness", "weight" => 1 }
}

Excerpt from :read-resource-configuration:

"attributes" => {
"capacity" => { "type" => INT, "description" => "Capacity of the metric.", "expressions-allowed" => false, "nillable" => true, "default" => 1.0, "access-type" => "read-write", "storage" => "configuration", "restart-required" => "all-services" },