Student App is not working

Hi,

I am getting the below error when tried to start the student app. Could you please help? It was fine last week, i was able to run it successfully but somehow its not working now.

C:\Users\vkaku\RA>java -jar rest.jar

. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.4.2.RELEASE)

2024-07-19 15:15:11.193 INFO 25960 --- [ main] com.tej.RestApplication : Starting RestApplication v0.0.1-SNAPSHOT on DESKTOP-RQG2EC4 with PID 25960 (C:\Users\vkaku\RA\rest.jar started by vkaku in C:\Users\vkaku\RA)
2024-07-19 15:15:11.201 INFO 25960 --- [ main] com.tej.RestApplication : No active profile set, falling back to default profiles: default
2024-07-19 15:15:11.310 INFO 25960 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@429bd883: startup date [Fri Jul 19 15:15:11 BST 2024]; root of context hierarchy
2024-07-19 15:15:13.795 ERROR 25960 --- [ main] o.s.boot.SpringApplication : Application startup failed

java.lang.IllegalStateException: Cannot load configuration class: com.tej.RestApplication
at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:419) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanFactory(ConfigurationClassPostProcessor.java:266) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:281) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:125) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:524) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at com.tej.RestApplication.main(RestApplication.java:10) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:58) ~[rest.jar:0.0.1-SNAPSHOT]
Caused by: java.lang.ExceptionInInitializerError: null
at org.springframework.context.annotation.ConfigurationClassEnhancer.newEnhancer(ConfigurationClassEnhancer.java:119) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.annotation.ConfigurationClassEnhancer.enhance(ConfigurationClassEnhancer.java:107) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:409) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
... 18 common frames omitted
Caused by: java.lang.IllegalStateException: Unable to load cache item
at org.springframework.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:79) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.internal.LoadingCache.get(LoadingCache.java:34) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:116) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:291) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.KeyFactory$Generator.create(KeyFactory.java:221) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.KeyFactory.create(KeyFactory.java:174) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.KeyFactory.create(KeyFactory.java:153) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.proxy.Enhancer.<clinit>(Enhancer.java:73) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
... 21 common frames omitted
Caused by: java.lang.ExceptionInInitializerError: null
at org.springframework.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:243) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:329) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:93) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:91) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.cglib.core.internal.LoadingCache$2.call(LoadingCache.java:54) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na]
at org.springframework.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:61) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
... 28 common frames omitted
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @79698539
at java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:388) ~[na:na]
at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:364) ~[na:na]
at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:312) ~[na:na]
at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:203) ~[na:na]
at java.base/java.lang.reflect.Method.setAccessible(Method.java:197) ~[na:na]
at org.springframework.cglib.core.ReflectUtils$1.run(ReflectUtils.java:54) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at java.base/java.security.AccessController.doPrivileged(AccessController.java:319) ~[na:na]
at org.springframework.cglib.core.ReflectUtils.<clinit>(ReflectUtils.java:44) ~[spring-core-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
... 36 common frames omitted

2024-07-19 15:15:13.800 INFO 25960 --- [ main] ationConfigEmbeddedWebApplicationContext : Closing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@429bd883: startup date [Fri Jul 19 15:15:11 BST 2024]; root of context hierarchy
2024-07-19 15:15:13.803 WARN 25960 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception thrown from LifecycleProcessor on context close

java.lang.IllegalStateException: LifecycleProcessor not initialized - call 'refresh' before invoking lifecycle methods via the context: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@429bd883: startup date [Fri Jul 19 15:15:11 BST 2024]; root of context hierarchy
at org.springframework.context.support.AbstractApplicationContext.getLifecycleProcessor(AbstractApplicationContext.java:417) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1002) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:961) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:818) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:326) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at com.tej.RestApplication.main(RestApplication.java:10) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:58) ~[rest.jar:0.0.1-SNAPSHOT]

2024-07-19 15:15:13.804 ERROR 25960 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Destroy method on bean with name 'org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory' threw an exception

java.lang.IllegalStateException: ApplicationEventMulticaster not initialized - call 'refresh' before multicasting events via the context: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@429bd883: startup date [Fri Jul 19 15:15:11 BST 2024]; root of context hierarchy
at org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:404) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.ApplicationListenerDetector.postProcessBeforeDestruction(ApplicationListenerDetector.java:97) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:253) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:578) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:554) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:954) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:523) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:961) ~[spring-beans-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1033) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1009) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:961) ~[spring-context-4.3.4.RELEASE.jar!/:4.3.4.RELEASE]
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:818) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:326) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175) ~[spring-boot-1.4.2.RELEASE.jar!/:1.4.2.RELEASE]
at com.tej.RestApplication.main(RestApplication.java:10) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) ~[rest.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:58) ~[rest.jar:0.0.1-SNAPSHOT]

Thanks