Flink 测试报错 java.lang.NoClassDefFoundError: org/apache/flink/api/common/functions/FlatMapFunction

作者：你好赵伟 | 2024-03-21 05:15:47

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java.lang.noclassdeffounderror: org/apache/flink/api/common/functions/flatma


java.lang.NoClassDefFoundError: org/apache/flink/api/common/functions/FlatMapFunction
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
	at java.lang.Class.getMethod0(Class.java:3018)
	at java.lang.Class.getMethod(Class.java:1784)
	at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException: org.apache.flink.api.common.functions.FlatMapFunction
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 7 more

吧pom.xml文件中的

<scope>provided</scope>

注释掉

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