An exception is thrown on the garbage collection thread when you use SQL providers.

使用SQL provider时，垃圾回收线程抛出异常。

youdao

If the NHRT is delayed when trying to acquire such a lock while the thread owning the lock is delayed by garbage collection, then the NHRT is indirectly delayed by garbage collection as well.

如果NHRT在尝试获取这类锁时被延迟了，而且拥有该锁的线程被垃圾收集延迟了，那么垃圾收集也会间接地延迟NHRT。

youdao

That is, do not hold a lock if the owning thread might make a call that triggers a garbage collection.

也就是说，如果拥有的线程可能进行触发垃圾回收的调用，请不要持有锁。

youdao