18:30:56  INFO   No active profile set, falling back to default profiles: default
18:31:01  WARN   Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [com.example.emos.workflow.EmosWorkflowApplication]; nested exception is java.lang.IllegalArgumentException: Unresolvable class definition for class [org.activiti.spring.boot.ActivitiProperties]
18:31:01  INFO

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
18:31:01  ERROR  Application run failed
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [com.example.emos.workflow.EmosWorkflowApplication]; nested exception is java.lang.IllegalArgumentException: Unresolvable class definition for class [org.activiti.spring.boot.ActivitiProperties]
        at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:610)
        at org.springframework.context.annotation.ConfigurationClassParser.access$800(ConfigurationClassParser.java:111)
        at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.lambda$processGroupImports$1(ConfigurationClassParser.java:812)
        at java.util.ArrayList.forEach(Unknown Source)
        at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGroupingHandler.processGroupImports(ConfigurationClassParser.java:809)
        at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorHandler.process(ConfigurationClassParser.java:780)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:193)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:336)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:252)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:285)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:99)
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:751)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:569)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:144)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:767)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:426)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:326)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1311)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
        at com.example.emos.workflow.EmosWorkflowApplication.main(lb:40)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:107)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
Caused by: java.lang.IllegalArgumentException: Unresolvable class definition for class [org.activiti.spring.boot.ActivitiProperties]
        at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:331)
        at org.springframework.core.annotation.TypeMappedAnnotation.adapt(TypeMappedAnnotation.java:446)
        at org.springframework.core.annotation.TypeMappedAnnotation.getValue(TypeMappedAnnotation.java:369)
        at org.springframework.core.annotation.TypeMappedAnnotation.asMap(TypeMappedAnnotation.java:284)
        at org.springframework.core.annotation.AbstractMergedAnnotation.asAnnotationAttributes(AbstractMergedAnnotation.java:193)
        at org.springframework.core.type.AnnotatedTypeMetadata.getAnnotationAttributes(AnnotatedTypeMetadata.java:106)
        at org.springframework.context.annotation.AnnotationConfigUtils.attributesFor(AnnotationConfigUtils.java:285)
        at org.springframework.context.annotation.AnnotationBeanNameGenerator.determineBeanNameFromAnnotation(AnnotationBeanNameGenerator.java:102)
        at org.springframework.context.annotation.AnnotationBeanNameGenerator.generateBeanName(AnnotationBeanNameGenerator.java:81)
        at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:280)
        at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:132)
        at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:296)
        at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:250)
        at org.springframework.context.annotation.ConfigurationClassParser.processImports(ConfigurationClassParser.java:600)
        ... 28 common frames omitted
Caused by: java.lang.UnsupportedClassVersionError: org/activiti/spring/boot/ActivitiProperties has been compiled by a more recent version of the Java Runtime (class file version 55.0), 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(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.access$100(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:151)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at org.springframework.util.ClassUtils.forName(ClassUtils.java:284)
        at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:324)
        ... 41 common frames omitted

运行以下指令仍然报错

java -jar -Dfile.encoding=utf-8 emos-workflow.jar --spring.config.location=application.yml

jdk15也安装了，但是想保留先前用的jdk，JAVA_HOME也配置了，但是仍然运行不了