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$PollingRunner.run(SinkRunner.java:158)] Unable to deliver event. Exception follows.
org.apache.flume.EventDeliveryException: Failed to open file /opt/module/flume/jobs/case3/flume3outputdatas #�个�件夹�须����/1711698243135-1 while delivering eventat org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:185) ~[flume-ng-core-1.10.1.jar:1.10.1]at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:39) ~[flume-ng-core-1.10.1.jar:1.10.1]at org.apache.flume.SinkRunner$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��件夹å¿�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~