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Type: Bug
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Resolution: Done
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Priority: Major - P3
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None
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Affects Version/s: 2.2.4
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Component/s: Sharding
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Labels:None
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Environment:Linux
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ALL
If network exception occurs when mongos read response from secondary, Mongos will call function <isntSecondary> . Mongos will perhaps choose PRIMARY for query, and this decision will be keeped in this woker thread's lifetime, SlaveOk won't work.