大佬们好，我是flink新手，正在用flink 1.9.1
Flink APP cannot run, APP log error, 想求教一下会是什么原因造成的，多谢🙏
2020-06-16 17:06:21,921 WARN org.apache.flink.client.cli.CliFrontend
- Could not load CLI class
org.apache.flink.yarn.cli.FlinkYarnSessionCli.
java.lang.NoClassDefFoundError:
org/apache/hadoop/yarn/exceptions/YarnException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at
org.apache.flink.client.cli.CliFrontend.loadCustomCommandLine(CliFrontend.java:1185)
at
org.apache.flink.client.cli.CliFrontend.loadCustomCommandLines(CliFrontend.java:1145)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1070)
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.yarn.exceptions.YarnException
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)
... 5 more
2020-06-16 17:06:21,980 INFO org.apache.flink.core.fs.FileSystem
- Hadoop is not in the classpath/dependencies. The extended
set of supported File Systems via Hadoop is not available.
