# Redis事务中出现错误的处理?
- 语法错误(编译器错误)
在开启事务后,修改k1值为11,k2值为22,但k2语法错误,最终导致事务提交失败,k1、k2保留原值。
127.0.0.1:6379> set k1 v1
OK
127.0.0.1:6379> set k2 v2
OK
127.0.0.1:6379> MULTI
OK
127.0.0.1:6379> set k1 11
QUEUED
127.0.0.1:6379> sets k2 22
(error) ERR unknown command `sets`, with args beginning with: `k2`, `22`,
127.0.0.1:6379> exec
(error) EXECABORT Transaction discarded because of previous errors.
127.0.0.1:6379> get k1
"v1"
127.0.0.1:6379> get k2
"v2"
127.0.0.1:6379>
- Redis类型错误(运行时错误)
在开启事务后,修改k1值为11,k2值为22,但将k2的类型作为List,在运行时检测类型错误,最终导致事务提交失败,此时事务并没有回滚,而是跳过错误命令继续执行, 结果k1值改变、k2保留原值
127.0.0.1:6379> set k1 v1
OK
127.0.0.1:6379> set k1 v2
OK
127.0.0.1:6379> MULTI
OK
127.0.0.1:6379> set k1 11
QUEUED
127.0.0.1:6379> lpush k2 22
QUEUED
127.0.0.1:6379> EXEC
1) OK
2) (error) WRONGTYPE Operation against a key holding the wrong kind of value
127.0.0.1:6379> get k1
"11"
127.0.0.1:6379> get k2
"v2"
127.0.0.1:6379>
THE END
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