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java.lang.NoClassDefFoundError: com.mongodb.DBPort$ScramSha1Authenticator$ScramSha1SaslClient	at com.mongodb.DBPort$ScramSha1Authenticator.createSaslClient(DBPort.java:639)	at com.mongodb.DBPort$SaslAuthenticator.authenticate(DBPort.java:895)	at com.mongodb.DBPort.authenticate(DBPort.java:432)	at com.mongodb.DBPort.checkAuth(DBPort.java:443)	at com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:289)	at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:269)	at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:84)	at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:66)	at com.mongodb.DBCursor._check(DBCursor.java:498)	at com.mongodb.DBCursor._hasNext(DBCursor.java:621)	at com.mongodb.DBCursor.hasNext(DBCursor.java:657)	at server.request.Mongo_Login.setUp(Mongo_Login.java:36)	at com.mongocheck.MainActivity$mRequestLogin.doInBackground(MainActivity.java:81)	at com.mongocheck.MainActivity$mRequestLogin.doInBackground(MainActivity.java:59)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)