vim /etc/host
vim /etc/redis/redis.conf
change bind ip address propertiy in above files
Category: Servers
Redis Server Exceptions
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Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Unexpected end of stream.
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Solution 1: Need to Restart the server by using below command
ex: service redis-server restart
Integration Redis with spring boot
Steps for Gradle Project
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1) Add below dependencies for redis in build.gradle
compile(‘org.springframework.boot:spring-boot-starter-redis’)
2) In application.properties add below configurations
#Reis configuration
spring.redis.host=localhost
spring.redis.port=6379
3) Autowire RedisTemplate in your service or repository classes
@Autowired
RedisTemplate redisTemplate;
4) Set and get the values by using redis API
a) Set a value into redis ======= redisTemplate.opsForValue().set(“key name”, “value”)
b) Set a value with expire key ======== redisTemplate.opsForVlaue().set(“key name”, “value”, 30, TimeUnit.Seconds)
c) Get a value from redis ========= redisTemplate.opsForValue().get(“key name”);
d) Get and set a value from redis (update) ======== redisTemplate.opsForValue().getAndSet(“key name”, “new value”);
Simple Redis Commands
redis-cli ping === to check server is running or not
redis-cli ==== To enter into the redis command prompt
redis-cli -h ip address -p port number ===== To connect remote redis server
service redis-server restart ======= Restart redis server
redis-server monitor ============ monitoring the redis server
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Commands for in the prompt
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set key value ==== set value based on key
get key === get value based on key
keys * ==== Shows all keys in cache
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