--- miscJava/CircuitBreaker/src/main/java/dk/thoerup/circuitbreaker/CircuitBreaker.java 2015/06/09 09:14:28 2571 +++ miscJava/CircuitBreaker/src/main/java/dk/thoerup/circuitbreaker/CircuitBreaker.java 2015/06/09 09:28:14 2572 @@ -206,7 +206,9 @@ } public void setNotifier(Notifier notifier) { - this.notifier = notifier; + synchronized(this) { + this.notifier = notifier; + } } public String getNotifierName() {