.DataIntegrityViolationException: Cannot change the size of a document in a capped collection: 311 != 333

using the below code I have created capped collection for my document , while i am doing insert i am facing .dao.DataIntegrityViolationException: Cannot change the size of a document in a capped collection: 311 != 333; How to resolve this

 Map<String, Object> commandArguments = new BasicDBObject();
    commandArguments.put(CONVERT_TO_CAPPED,COLLECTION_NAME);
    commandArguments.put(SIZE, 2147483648l);
    BasicDBObject command = new BasicDBObject(commandArguments);
    Document commandResult = database.runCommand(command);}

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