return null instead of DalNotFoundException

src/main/java/com/ctrip/zeus/service/aop/DalNotFoundAspect.java

@@ -0,0 +1,28 @@
+package com.ctrip.zeus.service.aop;
+
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import org.unidal.dal.jdbc.DalNotFoundException;
+
+/**
+ * Created by zhoumy on 2015/4/3.
+ */
+@Aspect
+@Component
+public class DalNotFoundAspect {
+    Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    @Around("execution(* com.ctrip.zeus..*Dao.*(..))")
+    public Object allowNullValue(ProceedingJoinPoint joinPoint) throws Throwable {
+        try {
+            return joinPoint.proceed();
+        } catch (DalNotFoundException ex) {
+            logger.info("Caught DalNotFoundException, return null instead.");
+            return null;
+        }
+    }
+}

src/main/resources/spring-context.xml

@@ -14,7 +14,8 @@
 
                            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd">
     <context:component-scan base-package="com.ctrip.zeus"/>
-    <aop:aspectj-autoproxy/>
+    <!-- use cglib -->
+    <aop:aspectj-autoproxy proxy-target-class="true"/>
 
     <import resource="dao-beans.xml"/>
 </beans>