fix for: https://issues.apache.org/jira/browse/AMQ-3414 use schedule instead of scheduleAtFixedRate since we don't need read or write check tasks to "catch up" if delayed for some reason only to fire once the resources allow for it and then return to the standard delay for the next execution.
activemq/trunk/activemq-core/src/main/java/org/apache/activemq/transport/InactivityMonitor.java