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    Type:Bug 
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    Resolution: Done
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    Priority:Critical - P2 
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    Affects Version/s: 2.3.2
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    Component/s: None
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    Environment:OS X 10.7.5
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        ALL
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I've spotted an issue importing a 2.2.2 exported collection with 2.3.2 mongoimport.
I am guessing it is because of a date before unix-epoch. (See Data below and attached files). could reproduce it with a various date before 1970
Workaround(s):
- use mongodump / mongorestore (works fine in 2.3.2)
- use mongoimport v. 2.2.x (tested 2.2.2, 2.2.3.rc0)
Info: It doesn't matter which mongoexport is used.
Data as in collection:
{
	"_id" : ObjectId("4eda7403a232d6a083b3aab3"),
	"description" : "Man repts. past sighting in 1957 near Mt. Baldy.  Witnessed two bright "white and blue" stars pursued by jet fighters.",
	"duration" : "",
	"geoloc" : [
		34.0239015,
		-118.1720157
	],
	"location" : "E. Los Angeles, CA",
	"reported_at" : ISODate("1995-07-25T00:00:00Z"),
	"shape" : " light",
	"sighted_at" : ISODate("1957-06-01T00:00:00Z")
}
Data as json:
{ "_id" : { "$oid" : "4eda7403a232d6a083b3aab3" }, "description" : "Man repts. past sighting in 1957 near Mt. Baldy.  Witnessed two bright "white and blue" stars pursued by jet fighters.", "duration" : "", "geoloc" : [ 34.0239015, -118.1720157 ], "location" : "E. Los Angeles, CA", "reported_at" : { "$date" : 806630400000 }, "shape" : " light", "sighted_at" : { "$date" : 18446743676528751616 } }
- is related to
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                    SERVER-8573 Make Date_t::millis signed -         
- Closed
 
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