Camel JGroups channel closed unexpectedly, leading to an exception

Issue

An application based on Apache Camel 2.13.0 or earlier uses a JGroups consumer and a JGroups producer, attached to the same JGroups channel. If the route containing the JGroups consumer is shut down progamatically, then the route containing the JGroups producer will fail, with the following exception:

java.lang.IllegalStateException: channel is disconnected
    at org.jgroups.JChannel.checkClosedOrNotConnected(JChannel.java:919)
    at org.jgroups.JChannel.send(JChannel.java:424)

This exception is raised despite the fact that a JGroups channel with only one node is perfectly viable.