尝试在 jee 中运行动态 Web 项目时出现错误 [重复]

Question

我不断收到此错误/警告，我不知道如何解决它，我正在使用 wildfly 24.0 运行时服务器：

...
02:20:05,498 WARN  [org.jboss.as.txn] (ServerService Thread Pool -- 74) WFLYTX0013: The node-identifier attribute on the /subsystem=transactions is set to the default value. This is a danger for environments running multiple servers. Please make sure the attribute value is unique.
...
02:20:05,785 WARN  [org.wildfly.extension.elytron] (MSC service thread 1-3) WFLYELY00023: KeyStore file 'C:\Users\dell\Documents\2eme\JEE\wildfly-26.1.3.Final\standalone\configuration\application.keystore' does not exist. Used blank.
02:20:05,808 WARN  [org.wildfly.extension.elytron] (MSC service thread 1-4) WFLYELY01084: KeyStore C:\Users\dell\Documents\2eme\JEE\wildfly-26.1.3.Final\standalone\configuration\application.keystore not found, it will be auto generated on first use with a self-signed certificate for host localhost
...
02:20:07,046 WARN  [org.jboss.modules.define] (MSC service thread 1-5) Failed to define class mvcModels.userService in Module "deployment.gotm-jee.war" from Service Module Loader: java.lang.UnsupportedClassVersionError: Failed to link mvcModels/userService (Module "deployment.gotm-jee.war" from Service Module Loader): mvcModels/userService has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:832)
    at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:351)
    at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:482)
    at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:276)
    at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:79)
    at org.jboss.modules.Module.loadModuleClass(Module.java:765)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:192)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at org.jboss.as.ee.utils.ClassLoadingUtils.loadClass(ClassLoadingUtils.java:21)
    at org.jboss.as.ee.utils.ClassLoadingUtils.loadClass(ClassLoadingUtils.java:14)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.processComponentConfig(InterceptorAnnotationProcessor.java:84)
    at org.jboss.as.ee.component.deployers.InterceptorAnnotationProcessor.deploy(InterceptorAnnotationProcessor.java:77)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:182)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
    at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
    at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1363)
    at java.lang.Thread.run(Thread.java:750)

02:20:07,049 WARN  [org.jboss.modules.define] (MSC service thread 1-5) Failed to define class mvcModels.userService in Module "deployment.gotm-jee.war" from Service Module Loader: java.lang.UnsupportedClassVersionError: Failed to link mvcModels/userService (Module "deployment.gotm-jee.war" from Service Module Loader): mvcModels/userService has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:832)
    at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:351)
    at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:482)
    at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:276)
    at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:79)
    at org.jboss.modules.Module.loadModuleClass(Module.java:765)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:192)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
    at org.jboss.as.ejb3.deployment.processors.BusinessViewAnnotationProcessor.getEjbClass(BusinessViewAnnotationProcessor.java:258)
    at org.jboss.as.ejb3.deployment.processors.BusinessViewAnnotationProcessor.deploy(BusinessViewAnnotationProcessor.java:89)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:182)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
    at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
    at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1363)
    at java.lang.Thread.run(Thread.java:750)

02:20:07,050 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-5) MSC000001: Failed to start service jboss.deployment.unit."gotm-jee.war".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.unit."gotm-jee.war".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of deployment "gotm-jee.war"
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:189)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
    at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
    at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1363)
    at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.UnsupportedClassVersionError: Failed to link mvcModels/userService (Module "deployment.gotm-jee.war" from Service Module Loader): mvcModels/userService has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:832)
    at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:351)
    at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:482)
    at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:276)
    at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:79)
    at org.jboss.modules.Module.loadModuleClass(Module.java:765)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:192)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
    at org.jboss.as.ejb3.deployment.processors.BusinessViewAnnotationProcessor.getEjbClass(BusinessViewAnnotationProcessor.java:258)
    at org.jboss.as.ejb3.deployment.processors.BusinessViewAnnotationProcessor.deploy(BusinessViewAnnotationProcessor.java:89)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:182)
    ... 8 more
...

我将它作为一个普通的动态 web 项目运行，然后我将它转换为一个 maven 项目并在我的 pom.xml 文件中添加了 java 7 依赖项但没有修复它，我只是想看看我的 .jsp 代码是否是否按预期工作，但在我尝试过的每个项目中都是同一个问题，有人遇到过这个问题或知道解决方法吗？

Answer 1

来自你的日志

mvcModels/userService 已由更新版本的 Java 运行时（类文件版本 61.0），此版本的 Java 运行时只能识别 52.0

以下的类文件版本

什么意思：

版本 61 = jdk 17

版本 52 = jdk 8

您可能需要更改为 jdk 17.