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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: 2.7.3
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Component/s: Connection Management
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Environment:Mac OS X 10.7, 64-bit Mongo 2.0.4, Java 6
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We are seeing connections very commonly re-authenticate with the same credentials on the same connection. We've replicated the problem with the simple test driver below. Tracing through the code a bit, it looks like the DB auths first (in DB.authenticate() below) and then the DBPort does it again when it's finally used (in DBCursor.toArray() below).
import com.mongodb.DB; import com.mongodb.MongoURI; public class AuthTest { public static final String MONGO_URI = "mongodb://username:password@localhost/database"; public static void main ( String[] args ) { try { MongoURI uri = new MongoURI(MONGO_URI); DB db = uri.connectDB(); db.authenticate(uri.getUsername(), uri.getPassword()); db.getCollection("collection").find().toArray(); } catch ( Exception e ) { e.printStackTrace(); } } }
Here's an example from the mongodb.log that shows the re-auth from a run of the test driver.
Sat May 26 18:53:27 [initandlisten] connection accepted from 192.168.1.90:56497 #63
Sat May 26 18:53:27 [conn63] authenticate: { authenticate: 1, user: "username", nonce: "a7ff424cc52c3fb9", key: "d520523babbc8fc133feec681409d77f" }
Sat May 26 18:53:27 [conn63] authenticate: { authenticate: 1, user: "username", nonce: "6b31c591ff203471", key: "cb243f059038af803511683c87b26e06" }
Sat May 26 18:53:28 [conn63] end connection 192.168.1.90:56497