Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStream
找到 X:\MyEclipse\plugins\com.genuitec.eclipse.j2eedt.core_8.5.0.me201003231033\data\libraryset\EE_5
里面有个javaee.jar 删除 jar包里面的javax.mail
不要为现在着想,要为将来!
找到 X:\MyEclipse\plugins\com.genuitec.eclipse.j2eedt.core_8.5.0.me201003231033\data\libraryset\EE_5
里面有个javaee.jar 删除 jar包里面的javax.mail