回答: “unsupported class file major version 66”错误的含义: 这个错误表明你尝试在一个较低版本的Java虚拟机(JVM)上运行一个用更高版本的Java编译器编译的类文件。每个Java版本都会对应一个特定的“major version”号,这个错误中的“66”是Java 20的类文件版本号。因此,你的Java运行环境不支持这个版本的类文件。
exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 66 Unsupported class file major version 66 mdk1.21.1-52.0.1 What should I do?
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:3.2.3:repackage (repackage) on project myproject: Execution repackage of goal org.springframework.boot:spring-boot-maven-plugin:3.2.3:repackage failed: Unsupported class file major version 66 -> [Help 1] org.apache...
严重: Servlet.service() for servlet [jsp] in context with path [] threw exception [javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: org/json/JSONObject : Unsupported major.minor version 52.0 (unable to load class org.json.JSONObject)] with root cause java.lang.Unsupported...
java之java.lang.UnsupportedClassVersionError:com/mysql/jdbc/Driver : Unsupported major.minor version 52.0 问题解释:jdk版本和mysql驱动版本不兼容,比如:jdk1.7与mysql-connector-java-5.xxx兼容,但与mysql-connector-java-6.xxx及以上不兼容
问题一:为什么出现Unsupported major.minor version 52.0? 在网上找了一圈,最后在stackoverflow找到了本质原因 Yougetthiserror because a Java7VM triestoload aclasscompiledforJava8Java8has theclassfile version52.0but a Java7VM can only loadclassfiles uptoversion51.0In your case the Java7VMisyour gradle...
严重: Servlet.service()forservlet [jsp]incontextwithpath [] threw exception [javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: org/json/JSONObject : Unsupported major.minor version 52.0 (unabletoloadclass org.json.JSONObject)]withroot causejava.lang.UnsupportedClassVersionError: or...
com.kingdee.bos.ebgateway.exception.BankServiceException: javax/crypto/spec/GCMParameterSpec : Unsupported major.minor version 52.0 at com.kingdee.bos.ebgateway.exception.BankServiceExceptionConverter.convert(BankServiceExceptionConverter.java:60)
Caused by: java.lang.UnsupportedClassVersionError: org/apache/maven/plugins/javadoc/JavadocJar : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) ...
java.lang.IllegalArgumentException: Unsupported class file major version 65 at com.alibaba.deps.org.objectweb.asm.ClassReader.<init>(ClassReader.java:199) at com.alibaba.deps.org.objectweb.asm.ClassReader.<init>(ClassReader.java:180) at com.alibaba.deps.org.objectweb.asm.ClassReader.<init>(ClassRead...