small bug fix

cat-core/src/main/java/com/dianping/cat/abtest/spi/internal/DefaultABTestCodec.java

@@ -122,7 +122,11 @@ public class DefaultABTestCodec implements ABTestCodec {
 					sb.append('|');
 				}
 
-				sb.append(e.getKey()).append(':').append(e.getValue());
+				if(e.getValue() == null){
+					sb.append(e.getKey()).append(':');
+				}else{
+					sb.append(e.getKey()).append(':').append(e.getValue());
+				}
 			}
 		}
 

cat-home/src/main/resources/META-INF/plexus/components.xml

@@ -1684,6 +1684,18 @@
 				</requirement>
 			</requirements>
 		</component>
+		<component>
+			<role>com.dianping.cat.system.page.abtest.service.ABTestService</role>
+			<implementation>com.dianping.cat.system.page.abtest.service.ABTestServiceImpl</implementation>
+			<requirements>
+				<requirement>
+					<role>com.dianping.cat.home.dal.abtest.AbtestDao</role>
+				</requirement>
+				<requirement>
+					<role>com.dianping.cat.home.dal.abtest.AbtestRunDao</role>
+				</requirement>
+			</requirements>
+		</component>
 		<component>
 			<role>org.unidal.web.mvc.model.ModuleRegistry</role>
 			<implementation>org.unidal.web.mvc.model.ModuleRegistry</implementation>