diff --git a/src/main/java/com/profiler/Agent.java b/src/main/java/com/profiler/Agent.java
index 635c6a1e9..4c47f88d5 100644
--- a/src/main/java/com/profiler/Agent.java
+++ b/src/main/java/com/profiler/Agent.java
@@ -3,8 +3,6 @@ package com.profiler;
 import java.util.Map.Entry;
 import java.util.logging.Logger;
 
-import com.profiler.context.Trace;
-import com.profiler.context.tracer.DefaultTracer;
 import com.profiler.sender.AgentInfoSender;
 
 public class Agent {
@@ -79,7 +77,6 @@ public class Agent {
 
 	public void start() {
 		logger.info("Starting HIPPO Agent.");
-		Trace.addTracer(new DefaultTracer());
 		systemMonitor.start();
 	}
 
diff --git a/src/main/java/com/profiler/context/DeadlineSpanMap.java b/src/main/java/com/profiler/context/DeadlineSpanMap.java
index 8a0b6aaf1..4896bb064 100644
--- a/src/main/java/com/profiler/context/DeadlineSpanMap.java
+++ b/src/main/java/com/profiler/context/DeadlineSpanMap.java
@@ -29,4 +29,8 @@ public class DeadlineSpanMap {
 	public Span remove(TraceID traceId) {
 		return map.remove(traceId.toString());
 	}
+
+	public int size() {
+		return map.size();
+	}
 }
diff --git a/src/main/java/com/profiler/context/tracer/DefaultTracer.java b/src/main/java/com/profiler/context/tracer/DefaultTracer.java
index 74a49ae10..e6c5a33c0 100644
--- a/src/main/java/com/profiler/context/tracer/DefaultTracer.java
+++ b/src/main/java/com/profiler/context/tracer/DefaultTracer.java
@@ -46,7 +46,7 @@ public class DefaultTracer implements Tracer {
 
 	private void logSpan(Span span) {
 		// TODO: send span to server
-		System.out.println("Write span=" + span);
+		System.out.println("Write span hash=" + span.hashCode() + ", value=" + span + ", spanMap.size=" + spanMap.size() + ", threadid=" + Thread.currentThread().getId());
 	}
 
 	@Override
diff --git a/src/main/java/com/profiler/modifier/tomcat/InvokeMethodInterceptor.java b/src/main/java/com/profiler/modifier/tomcat/InvokeMethodInterceptor.java
index 5dd802b36..d954f85ff 100644
--- a/src/main/java/com/profiler/modifier/tomcat/InvokeMethodInterceptor.java
+++ b/src/main/java/com/profiler/modifier/tomcat/InvokeMethodInterceptor.java
@@ -56,6 +56,8 @@ public class InvokeMethodInterceptor implements StaticAroundInterceptor {
 			start.set(System.currentTimeMillis());
 		} catch (Exception e) {
 			e.printStackTrace();
+		} finally {
+			System.out.println("\n\n\n\nBEFORE\n\n\n\n");
 		}
 	}
 
@@ -63,6 +65,7 @@ public class InvokeMethodInterceptor implements StaticAroundInterceptor {
 	public void after(Object target, String className, String methodName, Object[] args, Object result) {
 		Trace.record(new Annotation.ServerSend(), System.currentTimeMillis() - start.get());
 		start.remove();
+		System.out.println("\n\n\n\nAFTER\n\n\n\n");
 		RequestTracer.endTransaction();
 	}