redisson重入锁上锁失败5金钱.anslist{background:url(source/plugin/keke_
技术问答
401 人阅读
|
0 人回复
|
2023-09-11
|
$ d" b+ P* Z3 k! G( A- public boolean acquire(String lockName) {4 r( A6 E8 g U+ i6 X* M
- //声明key对象6 Z# v P: _8 X* s9 ^+ X
- String key = LOCK_TITLE + lockName;4 \! u# n/ F( }* {8 F! }+ z0 n9 E6 y
- //获取锁对象
* r N" R+ r- j - RLock mylock = redissonClient.getLock(key);. w) }' R- X! Y/ A* f2 c
- //加锁,并且设置锁过期时间3秒,防止死锁的产生 uuid+threadId0 `8 K3 L( M+ n2 J& d& x; C
- mylock.lock(3, TimeUnit.SECONDS);( m& t7 H G- }" k
- //加锁成功
I; R& y6 ^4 G; M- O - return true;
$ J9 A8 b$ j- ~' L) \9 u - }
( P' ^( k" a% ~1 S
" l9 g# v5 U# ]+ J- public void release(String lockName) {
2 m3 B$ U" L! L% C! [ - String key = LOCK_TITLE + lockName;2 d2 n7 {4 w# T8 Y' S
- RLock mylock = redissonClient.getLock(key);8 |1 v5 ~4 s0 g7 B7 i2 T; h0 u
- mylock.unlock();
3 d [6 i2 g" ?8 k - }2 }- Y E7 Z3 C- k
调用如下$ [( s9 ^# z8 z! o
+ {1 `5 _8 Q x# f
- boolean acquire = distributedRedisLock.acquire(CacheKey.REGISTER_SMS_RECALL);
( j+ g1 y8 c# U - try {
+ k4 M2 y0 ~% q5 o4 m8 Y1 v# q" e - if (acquire) {3 o7 u. c E) T7 [; k# j! U& F
- taskExecutor.execute(() -> {
# ^7 _2 N& i, o& F - log.info("多线程测试");: | P R! o# o7 H& ]$ d
- });
$ G; \- ~: w: { - }
% X& e' z! W9 K$ U0 K' v - }catch (Exception e) {. W7 X5 b. f: ^. E6 ~
- log.info("{}", ExceptionUtils.getFullStackTrace(e));) T! _4 I6 c- {2 i! p3 h; P. I8 z- L/ _
- }finally {
$ C% \8 F9 P- A) o* h- e - distributedRedisLock.release(CacheKey.REGISTER_SMS_RECALL); }& I- b! K+ `" j& `3 H# S& r
上锁方法如上,但是使用多线程调用的时候,上锁失败了
3 k7 k" \$ O2 J! J0 [- Application_Stdout [2021-12-29 11:06:52] [traceid=yPGwkuNz,uid=,uri=/mid/test/test,host=192.168.126.47,ref=,ua=python-requests/2.26.0] INFO [http-nio-8089-exec-6] o.n.mid.task.SmsRecallRegisterTask[48] - 多线程测试
- a6 ~% Y! x8 l1 z6 \( q - Application_Stdout [2021-12-29 11:06:52] [traceid=krfsFsWv,uid=,uri=/mid/test/test,host=192.168.126.47,ref=,ua=python-requests/2.26.0] INFO [http-nio-8089-exec-8] o.n.mid.task.SmsRecallRegisterTask[48] - 多线程测试Application_Stdout [2021-12-29 11:06:52] [traceid=8c9RU1WK,uid=,uri=/mid/test/test,host=192.168.126.47,ref=,ua=python-requests/2.26.0] INFO [http-nio-8089-exec-10] o.n.mid.task.SmsRecallRegisterTask[48] - 多线程测试$ ~/ d, v* a" d1 O j& A2 H
7 H3 L2 }1 o: k' n M
1 o) ?8 \; }- M+ v" p; \/ d7 i我知道答案 回答被采纳将会获得5 金钱 已有0人回答 |
|
|
|
|
|