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redis - RedisSystemException: java.lang.ClassCastException: [B 不能转换为 java.lang.Long

问题描述

在多线程环境中将 jedis 与 spring-data-redis 一起使用时，我遇到了这个异常：

org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is java.lang.ClassCastException: [B cannot be cast to java.lang.Long
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.getFallback(FallbackExceptionTranslationStrategy.java:48)
        at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:38)
        at org.springframework.data.redis.connection.jedis.JedisConnection.convertJedisAccessException(JedisConnection.java:241)
        at org.springframework.data.redis.connection.jedis.JedisConnection.rPush(JedisConnection.java:1705)
        at org.springframework.data.redis.core.DefaultListOperations$14.doInRedis(DefaultListOperations.java:187)
        at org.springframework.data.redis.core.DefaultListOperations$14.doInRedis(DefaultListOperations.java:184)
        at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:207)
        at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:169)
        at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:91)
        at org.springframework.data.redis.core.DefaultListOperations.rightPush(DefaultListOperations.java:184)
        at XXXXXXXXXXXXXXX
Caused by: java.lang.ClassCastException: [B cannot be cast to java.lang.Long
        at redis.clients.jedis.Connection.getIntegerReply(Connection.java:265)
        at redis.clients.jedis.BinaryJedis.rpush(BinaryJedis.java:1053)
        at org.springframework.data.redis.connection.jedis.JedisConnection.rPush(JedisConnection.java:1703)
    ... 19 common frames omitted

绝地版本：2.9.0

spring-data-redis 版本：1.8.12.RELEASE

redis服务器版本：3.0.6

我的客户端 Java 代码：

// Init JedisConnectionFactory
JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory();
jedisPoolConfig.setMaxTotal(maxActive);
jedisPoolConfig.setMaxIdle(maxIdle);
jedisPoolConfig.setMaxWaitMillis(maxWait);
jedisPoolConfig.setTestOnBorrow(true);

jedisConnectionFactory.setPoolConfig(jedisPoolConfig);
jedisConnectionFactory.setHostName(host);
jedisConnectionFactory.setPort(port);
jedisConnectionFactory.setTimeout(timeout);
jedisConnectionFactory.setPassword(password);
jedisConnectionFactory.afterPropertiesSet();

// Create RedisTemplate
redisTemplate = new RedisTemplate<String, Object>();
redisTemplate.setConnectionFactory(jedisConnectionFactory);
redisTemplate.setEnableTransactionSupport(true);
StringRedisSerializer serializer = new StringRedisSerializer();
redisTemplate.setKeySerializer(serializer);
redisTemplate.setValueSerializer(serializer);
redisTemplate.setHashKeySerializer(serializer);
redisTemplate.setHashValueSerializer(serializer);
redisTemplate.afterPropertiesSet();

标签： redisjedisspring-data-redis

解决方案

最后，在阅读以下源代码后，我通过删除此行解决了我的问题spring-data：

redisTemplate.setEnableTransactionSupport(true);

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