Fix error due to wrong format specifier.

tools.descartes.prisma.agent.wildfly/src/main/java/tools/descartes/prisma/agent/wildfly/service/MonitoringService.java

@@ -172,7 +172,7 @@ public class MonitoringService extends AgentController implements Service<Monito
 				sendData(curInvocation.getResidenceTimeSensor(), entityName, timestampInSec, inResidenceTime);
 
 				// Write to log file
-				out.printf("%d, %s, , %d, %d, %d, %s\n", timestampInSec, curInvocation.toString(), inInvocationCount,
+				out.printf("%f, %s, , %d, %d, %d, %s\n", timestampInSec, curInvocation.toString(), inInvocationCount,
 						inExecutionTime, inResidenceTime, curInvocation.getAdditionalInformation());
 
 				for (OperationRecord curOutgoingEndpoint : curInvocation.getCalledEndpoints()) {
@@ -188,7 +188,7 @@ public class MonitoringService extends AgentController implements Service<Monito
 								outExecutionTime);
 
 						// Write to log file
-						out.printf("%d, %s, %s, %d, %d, %s\n", timestampInSec, curInvocation.toString(),
+						out.printf("%f, %s, %s, %d, %d, %s\n", timestampInSec, curInvocation.toString(),
 								curOutgoingInvocation.toString(), outInvocationCount, outExecutionTime,
 								curOutgoingInvocation.getAdditionalInformation());
 					}