[유치수] [NOBTS] add mysql interceptor

git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@556 84d0f5b1-2673-498c-a247-62c4ff18d310

src/main/java/com/profiler/context/Trace.java

@@ -30,7 +30,9 @@ public class Trace {
 		TraceID id = traceId.get();
 
 		if (id == null) {
-			return TraceID.newTraceId();
+			id = TraceID.newTraceId();
+			traceId.set(id);
+			return id;
 		}
 
 		return id;