Details
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Type:
Bug
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Status: Closed
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Priority:
Critical - P2
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Resolution: Fixed
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Affects Version/s: 3.4.8
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Component/s: JavaScript
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Labels:
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Backwards Compatibility:Fully Compatible
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Operating System:ALL
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Backport Requested:v3.4, v3.2
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Sprint:Platforms 2017-09-11
Description
"scope" allows a user to provide a map of global variables to expose to all JS functions ran during a mapReduce job. However, we do not take an owned copy of the map from the command. If scope contains an object, this triggers the memory protection mechanisms added in SERVER-30875.
MongoDB Enterprise > db.runCommand({mapReduce: "foo", map: function(x) {return emit("hello", 1);}, reduce: function(x) { return 0; }, scope: {x: {x: function() {return 5;}}}, out: "bar"})
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{
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"ok" : 0,
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"errmsg" : "Attempt to bind an unowned BSON Object to a JS scope marked as requiring ownership",
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"code" : 2,
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"codeName" : "BadValue"
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}
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Attachments
Issue Links
- is related to
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SERVER-30875 Add support for a "no-owned bson" mode for JS Scopes
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- Closed
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