WRONGTYPE Operation against a key holding the wrong kind of value

redis报错:

2022/07/20 18:12:32.277 ERROR [0a2cd65e1bef3f0c][task-304318095] o.s.a.i.SimpleAsyncUncaughtExceptionHandler : Unexpected exception occurred invoking async method: public void com.test.app.system.bus.listener.DeviceUpwardListener.onApplicationEvent(com.test.app.system.bus.e.DeviceEvent)
redis.clients.jedis.exceptions.JedisDataException: WRONGTYPE Operation against a key holding the wrong kind of value
at redis.clients.jedis.Protocol.processError(Protocol.java:132) ~[jedis-3.1.0.jar!/:na]
at redis.clients.jedis.Protocol.process(Protocol.java:166) ~[jedis-3.1.0.jar!/:na]
at redis.clients.jedis.Protocol.read(Protocol.java:220) ~[jedis-3.1.0.jar!/:na]
at redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:318) ~[jedis-3.1.0.jar!/:na]
at redis.clients.jedis.Connection.getIntegerReply(Connection.java:260) ~[jedis-3.1.0.jar!/:na]
at redis.clients.jedis.BinaryJedis.hexists(BinaryJedis.java:1034) ~[jedis-3.1.0.jar!/:na]

 

原因是写入redis的key存在两个(多个),但是类型不一样;

如:

jedis.set(“test”,1);

jedis.hset(“test”,”key”1);

此时testkey就存在两种类型且两个,则有可能会报这个错误。

解决方法就是删除重复的键值,建议每一种set方法都加入一个redis方法名作为前缀,这样子就不可能会出现重复的键。

如:

jedis.set(“set:test”,1);

jedis.hset(“hset:test”,”key”1);

 
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