云数据迁移 CDM-正则表达式分隔半结构化文本:Log4J日志

时间：2024-05-16 11:41:40

云数据迁移 CDM

Log4J日志

日志样例：

2018-01-11 08:50:59,001 INFO  [org.apache.sqoop.core.SqoopConfiguration.configureClassLoader(SqoopConfiguration.java:251)] Adding jars to current classloader from property: org.apache.sqoop.classpath.extra

正则表达式为：
```
^(\d.*\d) (\w*)  \[(.*)\] (\w.*).*
```

解析出的结果如下：

表1 Log4J日志解析结果
列号	样值
1	2018-01-11 08:50:59,001
2	INFO
3	org.apache.sqoop.core.SqoopConfiguration.configureClassLoader(SqoopConfiguration.java:251)
4	Adding jars to current classloader from property: org.apache.sqoop.classpath.extra