redis JedisConnectionException: Could not get a resource from the pool 的八种可能的原因_redis.clients.jedis.exceptions.jedisconnectionexce

HTTP Status 500 - Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool

type Exception report

message Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
	org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:97)
	org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:143)
	org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:41)
	org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:128)
	org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:91)
	org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:78)
	org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:177)
	org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:152)
	org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:84)
	org.springframework.data.redis.core.DefaultValueOperations.get(DefaultValueOperations.java:43)
	org.springframework.data.redis.core.DefaultBoundValueOperations.get(DefaultBoundValueOperations.java:41)
	com.auth.provider.impl.DefaultRememberMeProvider.findRememberMeById(DefaultRememberMeProvider.java:47)
	com.auth.AbstractSessionManager.getRememberMe(AbstractSessionManager.java:254)
	com.auth.filter.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:84)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
root cause

redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
	redis.clients.util.Pool.getResource(Pool.java:42)
	org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:90)
	org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:143)
	org.springframework.data.redis.connection.jedis.Jedis