Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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СюжетВстреча Путина и Зеленского
address this issue.，详情可参考搜狗输入法2026