先总结：Flume配置文件**后面，不能跟注释，**可以单起一行写注释
报错代码：
[ERROR - org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:158)] Unable to deliver event. Exception follows.
org.apache.flume.EventDeliveryException: Failed to open file /opt/module/flume/jobs/case3/flume3outputdatas #è¿�个æ��ä>>¶å¤¹å¿�é¡>>æ��å��å�å�¨/1711698243135-1 while delivering event
at org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:185) ~[flume-ng-core-1.10.1.jar:1.10.1]
at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:39) ~[flume-ng-core-1.10.1.jar:1.10.1]
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:145) ~[flume-ng-core-1.10.1.jar:1.10.1]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_212]
Caused by: java.io.FileNotFoundException: /opt/module/flume/jobs/case3/flume3outputdatas #è¿�个æ��ä>>¶å¤¹å¿�é¡>>æ��å��å�å�¨/1711698243135-1 (没有那个文件或目录)
at java.io.FileOutputStream.open0(Native Method) ~[?:1.8.0_212]
at java.io.FileOutputStream.open(FileOutputStream.java:270) ~[?:1.8.0_212]
at java.io.FileOutputStream.<init>(FileOutputStream.java:213) ~[?:1.8.0_212]
at java.io.FileOutputStream.<init>(FileOutputStream.java:162) ~[?:1.8.0_212]
at org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:176) ~[flume-ng-core-1.10.1.jar:1.10.1]
... 3 more报错截图：
Failed to open file /opt/module/flume/jobs/case3/flume3outputdatas
说我这个文件打不开，我一查，后面有段注释，删了再跑？
哟，正常了，原来如此~
错误原因：（flume.conf配置文件后面不能跟注释）
删了注释后再试：
嘿嘿嘿~