判断Redis主从是否正常 增加日志

 package com.monitor.common.util;
 
 import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.util.CollectionUtils;
 import redis.clients.jedis.Jedis;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Random;
 
 public class RedisCommonUtil {
 
+  static Random random = new Random();
+  static Logger logger = LoggerFactory.getLogger(RedisCommonUtil.class);
+
   public static long getRedisMaxMemory(String host,int port){
     Map<String,Object>  result=null;
     Jedis client =null;
@@ -22,6 +28,7 @@ public class RedisCommonUtil {
       }
       return maxmemory;
     }catch (Exception e){
+      logger.error(e.toString());
       return  0;
     }finally {
       if(client!=null){
@@ -53,6 +60,7 @@ public class RedisCommonUtil {
       }
       return result;
     }catch (Exception e){
+      logger.error(e.toString());
       return  null;
     }finally {
       if(client!=null){
@@ -64,15 +72,19 @@ public class RedisCommonUtil {
   public static boolean getRedisIsSlave(String masterHost,int masterPort ) {
     Jedis testClient = null;
     try {
+      String testStr = "yoho_redis_test" + random.nextInt(1000);
       //主redis塞值
       testClient=new Jedis(masterHost, masterPort);
-      testClient.set("yoho_redis_monitor_test", "test1");
-      if("test1".equals(testClient.get("yoho_redis_monitor_test"))){
+      testClient.set("yoho_redis_test", testStr);
+      String getTestStr = testClient.get("yoho_redis_test");
+      if(testStr.equals(getTestStr)){
         return true;
       }else {
+        logger.error("RedisIsSlave testStr:{}; getTestStr:{};", testStr, getTestStr);
         return false;
       }
     }catch (Exception e){
+      logger.error(e.toString());
       return false;
     }finally {
       if(testClient!=null){
@@ -85,17 +97,21 @@ public class RedisCommonUtil {
   public static boolean getRedisIsSlave(String masterHost,int masterPort,String host,int port ) {
     Jedis testClient = null;
     try {
+      String testStr = "test1" + random.nextInt(1000);
       //主redis塞值
       testClient=new Jedis(masterHost, masterPort);
-      testClient.set("yoho_redis_monitor_test", "test1");
-      Thread.sleep(1000);
+      testClient.set("yoho_redis_monitor_test", testStr);
+      Thread.sleep(2000);
       testClient=new Jedis(host, port);
-      if("test1".equals(testClient.get("yoho_redis_monitor_test"))){
+      String getTestStr = testClient.get("yoho_redis_monitor_test");
+      if(testStr.equals(getTestStr)){
         return true;
       }else {
+        logger.error("RedisIsSlave testStr:{}; getTestStr:{};", testStr, getTestStr);
         return false;
       }
     }catch (Exception e){
+      logger.error(e.toString());
       return false;
     }finally {
       if(testClient!=null){