ds: Handle missing 0..1 cardinality reference for constructor injection
message containing the exception with the Log Service, if present, and
the component configuration is not activated.</para>
+ <para>If the constructor parameter is associated with a reference having
+ cardinality of <code>0..1</code> and there is no bound service for the
+ reference, then the value <code>null</code> will be supplied as the
+ constructor parameter.</para>
+
<para>In the following examples, a component requires the Logger Factory
service.</para>
