多行全文模式 : \d+-\d+-\d+\s\d+:\d+:\d+,\d+\s.* 采集到云日志服务后的日志: __message__:“2019-12-15 17:13:06,043 [main] ERROR com.test.logging.FooFactory: java.lang.NullPointerException at com.test.logging.FooFactory.createFoo(FooFactory.java:15) at com.test.logging.FooFactoryTest.test