Caused by: java.lang.NoClassDefFoundError: com/venustech/ca/system/model/SoftwareUpgradeBO at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_231] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_231] at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[?:1.8.0_231] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:467) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:267) ~[spring-beans-5.3.23.jar:5.3.23] ... 27 more Caused by: java.lang.ClassNotFoundException: com.venustech.ca.system.model.SoftwareUpgradeBO at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1358) ~[catalina.jar:8.5.54] at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180) ~[catalina.jar:8.5.54] at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_231] at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_231] at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[?:1.8.0_231] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:467) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:267) ~[spring-beans-5.3.23.jar:5.3.23]

这个错误信息表明在运行时没有找到 com.venustech.ca.system.model.SoftwareUpgradeBO 类。这可能是由于类路径问题，即缺少类文件或类文件不在正确的位置。也可能是由于该类所在的 jar 包没有被正确加载。您可以检查类路径和 jar 包加载是否正确，以解决这个问题。