serialVersionUID两种生成方式: a.显式声明,该字段必须是static,final和long类型: private static final long serialVersionUID = 1L; b.如果没有显式声明serialVersionUID,JVM将使用自己的算法生成默认SerialVersionUID。 2.java.io.InvalidClassException
Subclasses of Exception in java.net Modifier and TypeClass and Description class BindException Signals that an error occurred while attempting to bind a socket to a local address and port. class ConnectException Signals that an error occurred while attempting to connect a socket to a remote...
简介:在Java开发中,你可能会遇到“Exception in thread “main“ java.lang.UnsupportedClassVersionError”这个错误。这个错误通常表示你正在尝试运行的Java类文件是用高于运行时环境的JDK版本编译的。以下是一些解决这个问题的步骤和技巧。 千帆应用开发平台“智能体Pro”全新上线 限时免费体验 面向慢思考场景,支持低代码...
1、解决措施就是保证jvm(java命令)和jdk(javac命令)版本一致。如果是windows版本,则在命令行中分别输入java -version和javac -version命令来查看版本是否一致。这里假设都是1.8版本。 2、如果都一致,但还是解决不了问题,那么你肯定不是直接在命令行中用javac来编译的,而是用类似于eclipse、netbeans这样的编译器来编...
控制台的报错: java.lang.ClassFormatError: Incompatible magic value 0 in class file网上搜了一下它的意思是java.lang.ClassFormat错误:类文件中的幻数值0不兼容,位置也刚好就是:jsp/back/backIndex.jsp(我的后台首页), 明明我啥也没改,而且昨晚睡觉前运行项目的时候还是好好的,我clean了好几遍也没用,然后我...
从两个异常的定义看,NoClassDefFoundError是一种unchecked exception(也称 runtime exception),而ClassNotFoundException 是checked exception。 NoClassDefFoundError Java 规范(源码) /** * Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a...
This exception is thrown if the native CMM returns an error. classProfileDataException This exception is thrown when an error occurs in accessing or processing an ICC_Profile object. Uses ofRuntimeExceptioninjava.awt.dnd Subclasses ofRuntimeExceptioninjava.awt.dnd ...
Checked exceptions need to be declared in a method or constructor's throws clause if they can be thrown by the execution of the method or constructor and propagate outside the method or constructor boundary. Added in 1.0. Java documentation for java.lang.Exception....
[Java.Interop.JniTypeSignature("java/lang/Throwable", GenerateJavaPeer=false)] public class JavaException : Exception, IDisposable, Java.Interop.IJavaPeerable Inheritance Exception JavaException Attributes JniTypeSignatureAttribute Implements IJavaPeerable IDisposable Remarks Portions of this page are ...
简介:【Java异常】使用通用Mapper ,报There is no getter for property named ‘distinct‘ in ‘class 错 一、报错信息 Caused by: org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'distinct' in 'class com.uiotsoft.subsite.mybatis.model.TCmsSite' ...