FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. com/mongodb/util

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问题:

     将MongoDB数据导入Hive,按照https://blog.csdn.net/thriving_fcl/article/details/51471248文章,在hive建外部表与mongodb做映射后,执行后出现

FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. com/mongodb/util/JSON

建表语句如下:  

CREATE EXTERNAL TABLE mongotohive
  id string,
  userid string,
  age bigint,
  status string
)
STORED BY ‘com.mongodb.hadoop.hive.MongoStorageHandler‘
WITH SERDEPROPERTIES(‘mongo.columns.mapping‘=‘{"id":"_id","userid":"user_id","age":"age","status":"status"}‘)
TBLPROPERTIES(‘mongo.uri‘=‘mongodb://localhost:27017/mydb.users‘); 

mongodb 数据如下:

db.users.find()
{ "_id" : ObjectId("5b456e33a93daf7ae53e6419"), "user_id" : "abc123", "age" : 58, "status" : "D" }
{ "_id" : ObjectId("5b45705ca93daf7ae53e8b2a"), "user_id" : "bcd001", "age" : 45, "status" : "C" }

 

解决方案:

mongo-hadoop-core-2.0.0.jarmongo-hadoop-hive-2.0.0.jarmongo-java-driver-3.7.1.jar三个jar包放到hivelib文件夹下后,再次运行成功。如下:

hive> CREATE EXTERNAL TABLE mongotohive
    > ( 
    >   id string,
    >   userid string,
    >   age bigint,
    >   status string
    > )
    > STORED BY ‘com.mongodb.hadoop.hive.MongoStorageHandler‘
    > WITH SERDEPROPERTIES(‘mongo.columns.mapping‘=‘{"id":"_id","userid":"user_id","age":"age","status":"status"}‘)
    > TBLPROPERTIES(‘mongo.uri‘=‘mongodb://localhost:27017/mydb.users‘);
OK
Time taken: 1.431 seconds
hive> select * from mongotohive;
OK
5b456e33a93daf7ae53e6419        abc123  58      D
5b45705ca93daf7ae53e8b2a        bcd001  45      C
Time taken: 0.601 seconds, Fetched: 2 row(s)
hive> 

 


 

 

 

 

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