缺少包，在spark-submit 中指定 packages 如下：
--packages org.apache.spark:spark-sql-kafka-0-10_2.11:2.1.0
相关文章：
- failed to find target with hash string android 2021-08-01
- java.lang.IllegalArgumentException: Failed to find configured root that contains ..... 2021-10-28
- Failed to load property source from location 'classpath:/application.yml' 2021-05-18
- Failed to load property source from location classpath applicatio 2021-11-26
- Failed to load property source from location ‘classpath:/application.yml‘ 2021-04-10
- PSQLException: ERROR: failed to find conversion function from unknown to char 2021-08-09
- Installation failed with message Failed to finalize session : INSTALL_FAILED_INVALID_APK: /data/app/ 2021-09-22