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感谢若老、J哥、师兄、前辈、同学、朋友、陌生人，在我行走在大数据道路上给我的谆谆教诲，同时此博客仅作为学习笔记存在，严禁任何人以何种理由商用，作者QQ: 971118017
Category - Error
2021
2021-09-05URL Decoder 异常 Illegal hex characters in escape (%)
2021-04-25Yarn在Shuffle阶段内存不足问题(error in shuffle in fetcher)
2020
2020-07-20Spark自定义UDF时使用return引起的不能序列化问题
2020-07-19Spark程序夯住，日志信息打印极少，原因是没有够分配的系统资源
2020-04-28FileNotFountException: file:/home/hadoop/lib/tunan-spark-core-1.0.jar!/ip2region.db
2020-04-27error: object hadoop is not a member of packee com
2020-04-18Error: java.io.IOException: Invalid LZO header
2020-03-30Spark疯狂踩坑系列
2020-03-26MR编程时，Driver传递的参数Mapper显示为NULL
2020-03-25执行Hive SQL/MR 报错：Current usage: 77.8mb of 512.0mb physical memory used; 1.1gb of 1.0gb virtual memory used. Killing container.
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