错误: 找不到或无法加载主类 com.imooc.o2o.util.ImageUtil

来源：4-3 Thumbnailator图片处理和封装Util

qq_伊利巧克心_sIS168

2018-10-18

不知道怎么回事，点了一下maven Update Project 然后运行就会出现

错误: 找不到或无法加载主类
然后，连以前的ShopDaoTest也不能运行了
Class not found com.imooc.o2o.dao.ShopDaoTest
java.lang.ClassNotFoundException: com.imooc.o2o.dao.ShopDaoTest
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClass(RemoteTestRunner.java:688)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClasses(RemoteTestRunner.java:421)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:444)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)