ContributionsMost RecentMost LikesSolutionsGetting this error while upgrading a spring boot application to java 17 java.lang.reflect.InaccessibleObjectException: Unable to make protected void java.lang.Object.finalize() throws java.lang.Throwable accessible: module java.base does not "opens java.lang" to unnamed module @1151e434 at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.Method.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.AccessibleObject.setAccessible(Unknown Source) at org.codehaus.groovy.reflection.CachedClass$3$1.run(CachedClass.java:86) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:81) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:116) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:116) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.reflection.stdclasses.CachedClosureClass.<init>(CachedClosureClass.java:29) at org.codehaus.groovy.reflection.ClassInfo.createCachedClass(ClassInfo.java:312) at org.codehaus.groovy.reflection.ClassInfo.access$400(ClassInfo.java:37) at org.codehaus.groovy.reflection.ClassInfo$LazyCachedClassRef.initValue(ClassInfo.java:484) at org.codehaus.groovy.reflection.ClassInfo$LazyCachedClassRef.initValue(ClassInfo.java:475) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.ClassInfo.getCachedClass(ClassInfo.java:94) at org.codehaus.groovy.reflection.ReflectionCache.getCachedClass(ReflectionCache.java:107) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.registerMethods(MetaClassRegistryImpl.java:189) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:93) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:71) at groovy.lang.GroovySystem.<clinit>(GroovySystem.java:33) at org.springframework.beans.factory.groovy.GroovyBeanDefinitionReader.<init>(GroovyBeanDefinitionReader.java:150) at org.springframework.boot.BeanDefinitionLoader.<init>(BeanDefinitionLoader.java:93) at org.springframework.boot.SpringApplication.createBeanDefinitionLoader(SpringApplication.java:732) at org.springframework.boot.SpringApplication.load(SpringApplication.java:675) at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:407) at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) 2022-09-01 11:29:09,613 ERROR [main] org.springframework.boot.SpringApplication: Application run failed java.lang.ExceptionInInitializerError: null at org.springframework.beans.factory.groovy.GroovyBeanDefinitionReader.<init>(GroovyBeanDefinitionReader.java:150) at org.springframework.boot.BeanDefinitionLoader.<init>(BeanDefinitionLoader.java:93) at org.springframework.boot.SpringApplication.createBeanDefinitionLoader(SpringApplication.java:732) at org.springframework.boot.SpringApplication.load(SpringApplication.java:675) at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:407) at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) at com.phenom.scheduling.SchedulingEmailServiceApplication.main(SchedulingEmailServiceApplication.java:35) Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected void java.lang.Object.finalize() throws java.lang.Throwable accessible: module java.base does not "opens java.lang" to unnamed module @1151e434 at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.Method.checkCanSetAccessible(Unknown Source) at java.base/java.lang.reflect.AccessibleObject.setAccessible(Unknown Source) at org.codehaus.groovy.reflection.CachedClass$3$1.run(CachedClass.java:86) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:81) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:116) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:116) at org.codehaus.groovy.reflection.CachedClass$3.initValue(CachedClass.java:79) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33) at org.codehaus.groovy.reflection.CachedClass.getMethods(CachedClass.java:250) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.registerMethods(MetaClassRegistryImpl.java:211) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:101) at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:71) at groovy.lang.GroovySystem.<clinit>(GroovySystem.java:33) ... 9 common frames omitted