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spark jdbc 连接数据库序列化问题 #7

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HbnKing opened this issue Jan 17, 2019 · 0 comments

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HbnKing commented Jan 17, 2019

Exception in thread "main" org.apache.spark.SparkException: Task not serializable
....
Caused by: java.io.NotSerializableException: com.mongodb.MongoClient

jdbc 连接没有序列化

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