Mongodb problem set

mongo start-up
mongod --dbpath E:\MongoDB\data\db

1:MongoClient、MongoClientURI Red explosion

I tested a lot of dependencies , I don't think it can be solved by dependence , Finally, I got it right , Fierce woman crying .
Add dependency

   <dependencies>
       <dependency>
           <groupId>org.mongodb</groupId>
           <artifactId>casbah-core_2.10</artifactId>
           <version>3.1.1</version>
       </dependency>
   </dependencies>

2:Failed to find data source: com.mongodb.spark.sql

Add dependency

<!-- spark  Connect  mongo The connectors  -->
<dependency>
    <groupId>org.mongodb.spark</groupId>
    <artifactId>mongo-spark-connector_2.11</artifactId>
    <version>2.3.1</version>
</dependency>
 
<dependency>
    <groupId>org.apache.spark</groupId>
    <artifactId>spark-core_2.11</artifactId>
    <version>2.3.1</version>
</dependency>
 
<dependency>
    <groupId>org.apache.spark</groupId>
    <artifactId>spark-sql_2.11</artifactId>
    <version>2.3.1</version>
</dependency>

3：Caused by: java.lang.NumberFormatException: For input string: “movieId”

The data file has impurities , Manual deletion or data preprocessing can be solved

SLF4J: Class path contains multiple SLF4J bindings.

Redundant SLF4J package
Exclude superfluous from dependencies log package

 <dependency>
     <groupId>org.apache.spark</groupId>
     <artifactId>spark-core_2.11</artifactId>
     <version>2.3.1</version>
     <exclusions>
         <exclusion>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
         </exclusion>
     </exclusions>
 </dependency>