SunSpot: UnableToDeepSleep
Problem:
When we use sleepMgr.ensureDeepSleep(...), it goes to UnableToDeepSleepException even we don't have any thread running. The error says that "another thread is runnable within x",
Cause:
Because of many system threads which run from time to time, sunspot won't let us do ensuredeepsleep.
Solution:
We just call the command to block every thread running which is Thread.sleep(...) or Utils.sleep(...). Then, the spot will go to deepsleep.
Note: In my experiment, OTA doesn't affect with deepsleep mode.
References: https://www.sunspotworld.com/forums/viewtopic.php?p=7755
When we use sleepMgr.ensureDeepSleep(...), it goes to UnableToDeepSleepException even we don't have any thread running. The error says that "another thread is runnable within x",
Cause:
Because of many system threads which run from time to time, sunspot won't let us do ensuredeepsleep.
Solution:
We just call the command to block every thread running which is Thread.sleep(...) or Utils.sleep(...). Then, the spot will go to deepsleep.
Note: In my experiment, OTA doesn't affect with deepsleep mode.
References: https://www.sunspotworld.com/forums/viewtopic.php?p=7755
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