Java ReentrantLock unlock抛出Java.lang.IllegalMonitorStateException
线程在执行之前需要获取多个锁,因此我将所有锁放入一个列表中,并迭代tryLock()调用它们,如果tryLock()成功,我将获取的锁添加到一个名为acquiredLocks的列表中,因此当任何锁'tryLock()失败时,我可以解锁已经获取的锁, 但是当回滚发生时,它会通过ReentrantLock抛出java.lang.IllegalMonitorStateException,因为锁不是由当前线程持有的。我检查了acquiredLocks列表,其中的一些锁确实是由另一个线程获取的,但是我在将其添加到acquiredLocks列表之前调用了tryLock()Java ReentrantLock unlock抛出Java.lang.IllegalMonitorStateException,java,multithreading,asynchronous,concurrency,locking,Java,Multithreading,Asynchronous,Concurrency,Locking,线程在执行之前需要获取多个锁,因此我将所有锁放入一个列表中,并迭代tryLock()调用它们,如果tryLock()成功,我将获取的锁添加到一个名为acquiredLocks的列表中,因此当任何锁'tryLock()失败时,我可以解锁已经获取的锁, 但是当回滚发生时,它会通过ReentrantLock抛出java.lang.IllegalMonitorStateException,因为锁不是由当前线程持有的。我检查了acquiredLocks列表,其中的一些锁确实是由另一个线程获取的,但是我在将
private final List<Lock> locks = new CopyOnWriteArrayList<>();
private final List<Lock> acquiredLocks = new CopyOnWriteArrayList<>();
/**
* try to acquire all locks, if any lock is not acquired, roll back and release all already acquired
* locks
*/
private boolean tryAllLocks() {
for (Lock lock : locks) {
if (lock.tryLock()) {
acquiredLocks.add(lock);
} else {
acquiredLocks.forEach(Lock::unlock);
return false;
}
}
return true;
}
public PriceGenerationAggregate call() throws Exception {
try {
if (TenorConst.isSpotTenor(marketPriceCache.getTenor())) {
this.priceGenerationAggregate = new SpotRootPriceGenerationAggregate(marketPriceCache, synchronizeForwardSpotPrice());
} else {
this.priceGenerationAggregate = new ForwardRootPriceGenerationAggregate(marketPriceCache);
}
for (GenerationProduct generationProduct : priceGenerationAggregate.getAllSubscribedPriceForPriceGeneration().getAllGenerationProducts()) {
Lock lock = ProductLockCache.getLock(generationProduct.getCcyPair(), generationProduct.getTenor(), generationProduct.getVolume());
locks.add(lock);
}
// try all the locks before the price generation
while (!tryAllLocks()) {
Thread.sleep(100);
}
generatePrices();
} catch (Exception e) {
e.printStackTrace();
} finally {
releaseAllLocks();
}
return priceGenerationAggregate;
}
private final List locks=new CopyOnWriteArrayList();
private final List acquiredLocks=新建CopyOnWriteArrayList();
/**
*尝试获取所有锁,如果未获取任何锁,则回滚并释放所有已获取的锁
*锁
*/
私有布尔tryallocks(){
用于(锁定:锁定){
if(lock.tryLock()){
acquiredLocks.add(锁);
}否则{
acquiredLocks.forEach(Lock::unlock);
返回false;
}
}
返回true;
}
public PriceGenerationAggregate调用()引发异常{
试一试{
if(TenorConst.isSpotTenor(marketPriceCache.getTenor()){
this.priceGenerationAggregate=新的SpotRootPriceGenerationAggregate(marketPriceCache,synchronizeForwardSpotPrice());
}否则{
this.priceGenerationAggregate=新的ForwardRootPriceGenerationAggregate(marketPriceCache);
}
for(GenerationProduct GenerationProduct:priceGenerationAggregate.getAllSubscribedPriceForPriceGeneration().getAllGenerationProducts()){
Lock Lock=ProductLockCache.getLock(generationProduct.getCcyPair(),generationProduct.getTenor(),generationProduct.getVolume());
锁。添加(锁);
}
//在生成价格之前尝试所有锁
而(!tryallocks()){
睡眠(100);
}
生成许可证();
}捕获(例外e){
e、 printStackTrace();
}最后{
释放所有锁();
}
返回价格生成聚合;
}
解锁后,您忘记清除已获取锁的列表。解锁后,它们不再被获取,其他线程可以锁定它们:正如您所提到的,您看到来自acquiredLocks
的锁被其他线程持有
添加一个acquiredLocks.clear()解锁后的code>语句(这仅在假定acquiredLocks
每个线程都有一个新的列表实例的情况下有效)
private boolean tryallocks(){
用于(锁定:锁定){
if(lock.tryLock()){
acquiredLocks.add(锁);
}否则{
acquiredLocks.forEach(Lock::unlock);
acquiredLocks.clear();//解锁后,您忘记清除已获取锁的列表。解锁后,它们不再被获取,其他线程可以锁定它们:正如您所提到的,您看到来自acquiredLocks
的锁被其他线程持有
解锁后添加一个acquiredLocks.clear();
语句(这仅在假定acquiredLocks
每个线程都有一个新的列表实例的情况下有效)
private boolean tryallocks(){
用于(锁定:锁定){
if(lock.tryLock()){
acquiredLocks.add(锁);
}否则{
acquiredLocks.forEach(Lock::unlock);
acquiredLocks.clear();//多个线程同时调用了tryallocks
吗?如果是这样,那么您在线程之间共享acquiredLocks
。如果这不是问题,或者只是问题的一部分,那么请注意,我也没有看到您清除acquiredLocks
。acquiredLocks是每个线程的新实例,而不是sharedIstryAllLocks
由多个线程同时调用?如果是这样,那么您在线程之间共享acquiredLocks
。如果这不是问题,或者只是问题的一部分,那么请注意,我也没有看到您清除acquiredLocks
。acquiredLocks是每个线程的新实例,它不是共享的。我认为这就是问题的一部分,尽管如此ugh acquiredLocks是每个线程的一个新实例,锁在every while循环中添加到acquiredLocks,谢谢。我会在office tmr尝试修复它,我想就是这样,虽然acquiredLocks是每个线程的一个新实例,但是锁在every while循环中添加到acquiredLocks,谢谢。我会在office tmr尝试修复它
private boolean tryAllLocks() {
for (Lock lock : locks) {
if (lock.tryLock()) {
acquiredLocks.add(lock);
} else {
acquiredLocks.forEach(Lock::unlock);
acquiredLocks.clear(); // <-- added
return false;
}
}
return true;
}