ARTEMIS-3779 Critial IO Exception logged as Error

artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java

@@ -498,7 +498,7 @@ void slowConsumerDetected(String sessionID,
    @Message(id = 222009, value = "Unable to announce backup for replication. Trying to stop the server.", format = Message.Format.MESSAGE_FORMAT)
    void replicationStartProblem(@Cause Exception e);
 
-   @LogMessage(level = Logger.Level.WARN)
+   @LogMessage(level = Logger.Level.ERROR)
    @Message(id = 222010, value = "Critical IO Error, shutting down the server. file={1}, message={0}", format = Message.Format.MESSAGE_FORMAT)
    void ioCriticalIOError(String message, String file, @Cause Throwable code);