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Microreboot is one of the most efficient self recovery technologies for mission-critical system. But some limitations still exist in the existing microreboot methods such as demand of componentization and loosing coupling etc. In order to eliminate these limitations, we propose a more flexible and usable microreboot method called mixed reboot in this paper, which systematically combines coarse-grained reboot with fine-grained reboot. The mixed reboot can be used to recursively restart from inner class to the whole application which has never been realized before. The result of our experiment shows that the MR can realize autonomic recursive reboot of software to provide system with higher self-recovery ability than the existing microreboot methods.