Caused by: java.lang.ClassNotFoundException: backtype.storm.topology.IRichSpout
阿新 • • 發佈:2018-01-19
需要 rom 本地 code str vid exit out private
1:初次運行Strom程序出現如下所示的錯誤,貼一下,方便腦補,也希望幫助到看到的小夥伴:
錯誤如下所示,主要問題是剛開始使用maven獲取jar包的時候需要寫<scope>provided</scope>,運行的時候需要把這行註釋了即可,這是作用域的問題,開始需要在本地下載jar包,但是在虛擬機運行的時候已經存在這些jar包了,所以再寫這句話就沖突了:
1 java.lang.NoClassDefFoundError: backtype/storm/topology/IRichSpout 2 at java.lang.Class.getDeclaredMethods0(Native Method)3 at java.lang.Class.privateGetDeclaredMethods(Class.java:2625) 4 at java.lang.Class.getMethod0(Class.java:2866) 5 at java.lang.Class.getMethod(Class.java:1676) 6 at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494) 7 at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486) 8 Caused by: java.lang.ClassNotFoundException: backtype.storm.topology.IRichSpout 9 at java.net.URLClassLoader$1.run(URLClassLoader.java:366) 10 at java.net.URLClassLoader$1.run(URLClassLoader.java:355) 11 at java.security.AccessController.doPrivileged(Native Method) 12 at java.net.URLClassLoader.findClass(URLClassLoader.java:354) 13 at java.lang.ClassLoader.loadClass(ClassLoader.java:425) 14 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) 15 at java.lang.ClassLoader.loadClass(ClassLoader.java:358) 16 ... 6 more 17 Exception in thread "main" 18 Process finished with exit code 1
解決方法如下所示:
停更......
Caused by: java.lang.ClassNotFoundException: backtype.storm.topology.IRichSpout