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I am trying to find the documents which are near to a point without using aggregation.I want use NearQuery or Query class or any other.

I tried with following queries but getting exception

1)

 NearQuery n=NearQuery.near(user.getLoc().get(0),user.getLoc().get(1)); 
 GeoResults<User> results=mongoTemplate.geoNear(n,User.class,"User4",User.class);

2)

 Point point= new Point(77.6672961,13.0257889);
 Query query= new Query(Criteria.where("loc").nearSphere(point));
 List<User> nearbyusers=mongoTemplate.find(query, User.class,"User4");

3)

 Point p=new Point(13.0257889,77.6672961);
 Query q=new Query(Criteria.where("loc").near(p));
 List<User> i=mongoTemplate.find(q,User.class,"User4");

Exception:

org.springframework.data.mongodb.UncategorizedMongoDbException: Command failed with error 2 (BadValue): 'error processing query: ns=CitizenChat4.User4 limit=100Tree: GEONEAR field=loc maxdist=1.79769e+308 isNearSphere=0
Sort: 
Proj: $pt: $meta: "geoNearPoint" , $dis: $meta: "geoNearDistance" 
 planner returned error: unable to find index for $geoNear query' on server localhost:27017. The full response is "ok" : 0.0, "errmsg" : "error processing query: ns=CitizenChat4.User4 limit=100Tree: GEONEAR field=loc maxdist=1.79769e+308 isNearSphere=0nSort: nProj: $pt: $meta: "geoNearPoint" , $dis: $meta: "geoNearDistance" n planner returned error: unable to find index for $geoNear query", "code" : 2, "codeName" : "BadValue" ; nested exception is com.mongodb.MongoCommandException: Command failed with error 2 (BadValue): 'error processing query: ns=CitizenChat4.User4 limit=100Tree: GEONEAR field=loc maxdist=1.79769e+308 isNearSphere=0
Sort: 
Proj: $pt: $meta: "geoNearPoint" , $dis: $meta: "geoNearDistance" 
 planner returned error: unable to find index for $geoNear query' on server localhost:27017. The full response is "ok" : 0.0, "errmsg" : "error processing query: ns=CitizenChat4.User4 limit=100Tree: GEONEAR field=loc maxdist=1.79769e+308 isNearSphere=0nSort: nProj: $pt: $meta: "geoNearPoint" , $dis: $meta: "geoNearDistance" n planner returned error: unable to find index for $geoNear query", "code" : 2, "codeName" : "BadValue" 
 at org.springframework.data.mongodb.core.MongoExceptionTranslator.translateExceptionIfPossible(MongoExceptionTranslator.java:138)
 at org.springframework.data.mongodb.core.MongoTemplate.potentiallyConvertRuntimeException(MongoTemplate.java:2756)
 at org.springframework.data.mongodb.core.MongoTemplate.execute(MongoTemplate.java:510)

User4 collection:

 "userID" : "1",
 "user_Email" : "ghjkl@gmail.com",
 "loc" : [ 
 77.618843, 
 13.052758
 ]

"userID" : "2",
 "user_Email" : "abc@gmail.com",
 "loc" : [ 
 77.618743, 
 13.054518
 ]

I have created 2dsphere index on loc attribute in user4 collection.

index:

 "v" : 2,
 "key" : 
 "loc" : "2dsphere"
 ,
 "name" : "loc_2dsphere",
 "ns" : "CitizenChat4.User4",
 "2dsphereIndexVersion" : 3
 

Please help me.Thankyou