运行报错：java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
启动工程报错：java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
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15:03:26.534 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
at com.alibaba.nacos.sys.utils.DiskUtils.forceMkdir(DiskUtils.java:284)
at com.alibaba.nacos.core.listener.StartingApplicationListener.makeWorkDir(StartingApplicationListener.java:208)
at com.alibaba.nacos.core.listener.StartingApplicationListener.environmentPrepared(StartingApplicationListener.java:79)
at com.alibaba.nacos.core.code.SpringApplicationRunListener.environmentPrepared(SpringApplicationRunListener.java:65)
at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53)
at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:342)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1247)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1236)
at com.alibaba.nacos.NacosApplication.main(NacosApplication.java:39)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 10 common frames omitted
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原因：
需要同时引用commons-lang3和commons-io。
我就是因为缺少了commons-io包才报错的
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-io -io |
转自：http://blog.superabbit.cn/article/detail/a7a1be1831984403a8ce0060d21b3a12