My project cannot be upgraded to a higher version, what should I do?

[liusai99820]

it.fabioformosa.quartz-manager quartz-manager-starter-ui 4.0.9 it.fabioformosa.quartz-manager quartz-manager-starter-api 4.0.9

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: URL [jar:file:/E:/%e9%a1%b9%e7%9b%ae/java%e7%89%88%e8%b0%9b%e5%90%ac/repository/it/fabioformosa/quartz-manager/quartz-manager-starter-api/4.0.9/quartz-manager-starter-api-4.0.9.jar!/it/fabioformosa/quartzmanager/api/dto/TriggerCommandDTO.class]; nested exception is java.lang.UnsupportedClassVersionError: it/fabioformosa/quartzmanager/api/validators/ValidTriggerPeriod has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.scanCandidateComponents(ClassPathScanningCandidateComponentProvider.java:454) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:316) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:275) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:132) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:287) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:242) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:586) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.access$900(ConfigurationClassParser.java:108) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.lambda$processGroupImports$1(ConfigurationClassParser.java:805) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at java.util.ArrayList.forEach(ArrayList.java:1259) ~[na:1.8.0_281]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.processGroupImports(ConfigurationClassParser.java:801) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorHandler.process(ConfigurationClassParser.java:771) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:185) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:315) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at zjsj.web.background.platform.PlatformApplication.main(PlatformApplication.java:15) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_281]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_281]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_281]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_281]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.1.5.RELEASE.jar:2.1.5.RELEASE]
Caused by: java.lang.UnsupportedClassVersionError: it/fabioformosa/quartzmanager/api/validators/ValidTriggerPeriod has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_281]
at java.lang.ClassLoader.defineClass(ClassLoader.java:756) ~[na:1.8.0_281]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_281]
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) ~[na:1.8.0_281]
at java.net.URLClassLoader.access$100(URLClassLoader.java:74) ~[na:1.8.0_281]
at java.net.URLClassLoader$1.run(URLClassLoader.java:369) ~[na:1.8.0_281]
at java.net.URLClassLoader$1.run(URLClassLoader.java:363) ~[na:1.8.0_281]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_281]
at java.net.URLClassLoader.findClass(URLClassLoader.java:362) ~[na:1.8.0_281]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_281]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[na:1.8.0_281]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_281]
at org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:148) ~[spring-boot-devtools-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_281]
at org.springframework.core.annotation.AnnotationAttributes.getAnnotationType(AnnotationAttributes.java:136) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.annotation.AnnotationAttributes.(AnnotationAttributes.java:127) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.type.classreading.AnnotationAttributesReadingVisitor.(AnnotationAttributesReadingVisitor.java:56) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.type.classreading.AnnotationMetadataReadingVisitor.visitAnnotation(AnnotationMetadataReadingVisitor.java:90) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.asm.ClassReader.accept(ClassReader.java:564) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.asm.ClassReader.accept(ClassReader.java:391) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.type.classreading.SimpleMetadataReader.(SimpleMetadataReader.java:65) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:103) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(CachingMetadataReaderFactory.java:123) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.scanCandidateComponents(ClassPathScanningCandidateComponentProvider.java:430) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
... 30 common frames omitted

[fabioformosa]

hi @liusai99820, a couple of questions:

1. which version of java are you using in your project?
2. which versions of Quartz Manager were you using before upgrading to 4.0.9?