ClassNotFoundException Java 规范(源码): /***Thrownwhenan application triestoloadinaclassthrough its string nameusing:*1.The forName methodinclassClass.*2.The findSystemClass methodinclassClassLoader .*3.The loadClass methodinclassClassLoader.*but no definitionfortheclasswiththe specified name could ...
* Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found. * The searched-for class definition...
A StubNotFoundException is thrown if a valid stub class could not be found for a remote object when it is exported. A StubNotFoundException may also be thrown when an activatable object is registered via the java.rmi.activation.Activatable.register method. Since: JDK1.1 See Also: UnicastRemote...
While executing, when JVM does not find a .class file with the specified name then a run time error occurs saying “Could not found or load main class”. The reason why this happens is mostly due to: Wrong Class Name Invalid Classpath Main class could not ...
but no definitionfortheclasswith the specified name could be found. NoClassDefFoundError NoClassDefFoundError不是一个Exception而是一个致命Error。当Java虚拟机试图做如下操作的时候找不到类的定义: 通过new 关键字去实例化一个类 通过方法调用去加载一个类 ...
总结一下,简单来说,NoClassDefFoundError和ClassNotFoundException都是由于在CLASSPATH下找不到对应的类而引起的,通常是缺少对应的jar包,不过,JVM认为: (1)当应用运行时没有找到对应的引用,则会抛出java.lang.NoClassDefFoundError; (2)当你在代码中显式加载类(使用Class.forName())时没有找到对应的类,则会抛出java...
but no definition for the class with the specified name could be found. As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "optional exception that was raised while loading the class" that may be provided at construction tim...
but no definition for the class with the specified name could be found. As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "optional exception that was raised while loading the class" that may be provided at construction tim...
A needed class was not found. This could be due to an error in your runpath. Missing class: scala/collection/GenTraversableOnce$class java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class at com.twitter.util.JMapWrapper.<init>(LruMap.scala:33) ...
Class '<classname>' could not be created: <error> Class '<classname>' has no accessible 'Sub New' and cannot be inherited Class '<classname>' must declare a 'Sub New' because its base class '<classname2>' does not have an accessible 'Sub New' that can be called with no a...