diff --git a/ch.psi.fda/src/main/java/ch/psi/fda/rest/services/ExecutionService.java b/ch.psi.fda/src/main/java/ch/psi/fda/rest/services/ExecutionService.java
index 3bf52d9..8fd74d6 100644
--- a/ch.psi.fda/src/main/java/ch/psi/fda/rest/services/ExecutionService.java
+++ b/ch.psi.fda/src/main/java/ch/psi/fda/rest/services/ExecutionService.java
@@ -20,6 +20,7 @@
 package ch.psi.fda.rest.services;
 
 import java.util.concurrent.ExecutionException;
+import java.util.logging.Logger;
 
 import javax.inject.Inject;
 import javax.ws.rs.Consumes;
@@ -35,7 +36,9 @@ import ch.psi.fda.rest.ExecutionEngine;
 
 @Path("fda")
 public class ExecutionService {
-
+	
+	private static final Logger logger = Logger.getLogger(ExecutionService.class.getName());
+	
 	@Inject
 	private ExecutionEngine aengine;
 	
@@ -43,29 +46,34 @@ public class ExecutionService {
 	@Path("{trackingId}")
 	@Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 	public void execute(@PathParam("trackingId") String trackingId, EDescriptor edescriptor) throws InterruptedException{
+		logger.info("Submitting job with tracking id "+trackingId);
 		aengine.submit(trackingId, edescriptor);
 	}
 	
 	@DELETE
 	@Path("{trackingId}")
 	public void stop(@PathParam("trackingId") String trackingId){
+		logger.info("Stopping job with tracking id "+trackingId);
 		aengine.terminate(trackingId);
 	}
 	
 	@DELETE
 	public void terminateAll(){
+		logger.info("Terminate all jobs");
 		aengine.terminateAll();
 	}
 	
 	@GET
 	@Path("{trackingId}/running")
 	public boolean isActive(@PathParam("trackingId") String trackingId){
+		logger.info("Check whether job with tracking id "+trackingId+" is running");
 		return aengine.isActive(trackingId);
 	}
 	
 	@GET
 	@Path("{trackingId}/done")
 	public void wait(@PathParam("trackingId") String trackingId) throws InterruptedException, ExecutionException{
+		logger.info("Wait for job with tracking id "+trackingId+" to be finished");
 		aengine.wait(trackingId);
 	}