一级缓存有值，二级缓存redis 没有任何数据

程序可以正常启动，并提示已连接到二级缓存

具体配置
`
#J2Cache configuration

#########################################
# Cache Broadcast Method
# values:
# jgroups -> use jgroups's multicast
# redis -> use redis publish/subscribe mechanism (using jedis)
# lettuce -> use redis publish/subscribe mechanism (using lettuce, Recommend)
# rabbitmq -> use RabbitMQ publisher/consumer mechanism
# rocketmq -> use RocketMQ publisher/consumer mechanism
# none -> don't notify the other nodes in cluster
# xx.xxxx.xxxx.Xxxxx your own cache broadcast policy classname that implement net.oschina.j2cache.cluster.ClusterPolicy
#########################################

j2cache.broadcast = lettuce

# jgroups properties
jgroups.channel.name = j2cache
jgroups.configXml = /network.xml

# RabbitMQ properties
# rabbitmq.exchange = j2cache
# rabbitmq.host = localhost
# rabbitmq.port = 5672
# rabbitmq.username = guest
# rabbitmq.password = guest

# RocketMQ properties
# rocketmq.name = j2cache
# rocketmq.topic = j2cache
# use ; to split multi hosts
# rocketmq.hosts = 127.0.0.1:9876

#########################################
# Level 1&2 provider
# values:
# none -> disable this level cache
# ehcache -> use ehcache2 as level 1 cache
# ehcache3 -> use ehcache3 as level 1 cache
# caffeine -> use caffeine as level 1 cache(only in memory)
# redis -> use redis as level 2 cache (using jedis)
# lettuce -> use redis as level 2 cache (using lettuce)
# readonly-redis -> use redis as level 2 cache ,but never write data to it. if use this provider, you must uncomment `j2cache.L2.config_section` to make the redis configurations available.
# memcached -> use memcached as level 2 cache (xmemcached),
# [classname] -> use custom provider
#########################################

j2cache.l2-cache-open=true
j2cache.open-spring-cache= true

j2cache.L1.provider_class = caffeine
j2cache.L2.provider_class = lettuce

# When L2 provider isn't `redis`, using `L2.config_section = redis` to read redis configurations
# j2cache.L2.config_section = redis

# Enable/Disable ttl in redis cache data (if disabled, the object in redis will never expire, default:true)
# NOTICE: redis hash mode (redis.storage = hash) do not support this feature)
j2cache.sync_ttl_to_redis = true

# Whether to cache null objects by default (default false)
j2cache.default_cache_null_object = true

#########################################
# Cache Serialization Provider
# values:
# fst -> using fast-serialization (recommend)
# kryo -> using kryo serialization
# json -> using fst's json serialization (testing)
# fastjson -> using fastjson serialization (embed non-static class not support)
# java -> java standard
# fse -> using fse serialization
# [classname implements Serializer]
#########################################

j2cache.serialization = fst
#json.map.person = net.oschina.j2cache.demo.Person

#########################################
# Ehcache configuration
#########################################

# ehcache.configXml = /ehcache.xml

# ehcache3.configXml = /ehcache3.xml
# ehcache3.defaultHeapSize = 1000

#########################################
# Caffeine configuration
# caffeine.region.[name] = size, xxxx[s|m|h|d]
#
#########################################
caffeine.properties = /caffeine.properties

#########################################
# Lettuce scheme
#
# redis -> single redis server
# rediss -> single redis server with ssl
# redis-sentinel -> redis sentinel
# redis-cluster -> cluster servers
#
#########################################

lettuce.namespace =
lettuce.mode = single
lettuce.storage = hash
lettuce.channel = j2cache
lettuce.scheme = redis
lettuce.hosts = 172.18.51.216:7000
lettuce.password = Yju$2fWC*t;4gFDg
lettuce.database = 0
lettuce.sentinelMasterId =
lettuce.maxTotal = 100
lettuce.maxIdle = 10
lettuce.minIdle = 10
lettuce.timeout = 10000
`

启动信息

![输入图片说明](https://images.gitee.com/uploads/images/2021/0914/221732_eacd720a_2439.png "屏幕截图.png")

GVP 红薯/J2Cache

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