3783479 - Error: de.hybris.platform.jalo.JaloSystemException: Cannot create Jalo instance for item <PK> due to null when accessing site page after JDK21 upgrade

{"origin":"access-log","timeMillis":1784353738169,"thread":"hybrisHTTP16","contextMap":{"remoteHost":"<IP>","remoteUser":null,"requestLine":"GET /site/abc/en/login HTTP/1.1","statusCode":500,"bytesSent":165,"processMillis":16942718,"commitMillis":16,"connectionStatus":"-"}}

{"origin":"catalina","timeMillis":1784353738184,"thread":"hybrisHTTP16","level":"SEVERE","loggerName":"org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/site].[DispatcherServlet]","threadId":176,"threadPriority":5,"message":"Servlet.service() for servlet [DispatcherServlet] in context with path [/site] threw exception [Request processing failed: de.hybris.platform.jalo.JaloSystemException: Cannot create Jalo instance for item <PK> due to null (defaultClass:class de.hybris.platform.cms2.jalo.contents.components.SimpleCMSComponent,mappedClass:class de.hybris.platform.cms2.jalo.contents.components.SimpleCMSComponent,creator:null)[HY-0]] with root cause","contextMap":{"sourceClassName":"org.apache.catalina.core.StandardWrapperValve","sourceMethodName":"invoke"},"thrown":{"localizedMessage":"","message":"","name":"java.lang.InstantiationException","extendedStackTrace":[{"class":"jdk.internal.reflect.InstantiationExceptionConstructorAccessorImpl","method":"newInstance","file":"InstantiationExceptionConstructorAccessorImpl.java","line":48},{"class":"java.lang.reflect.Constructor","method":"newInstanceWithCaller","file":"Constructor.java","line":502},{"class":"java.lang.reflect.Constructor","method":"newInstance","file":"Constructor.java","line":486},{"class":"de.hybris.platform.jalo.JaloImplementationManager","method":"createJaloObjectFromClassName","file":"JaloImplementationManager.java","line":241},{"class":"de.hybris.platform.jalo.JaloImplementationManager","method":"createJaloObject","file":"JaloImplementationManager.java","line":204},{"class":"de.hybris.platform.core.WrapperFactory$ComputingJaloItemCacheUnit","method":"compute","file":"WrapperFactory.java","line":235},{"class":"de.hybris.platform.cache.AbstractCacheUnit","method":"getOrCompute","file":"AbstractCacheUnit.java","line":297},{"class":"de.hybris.platform.cache.AbstractCacheUnit","method":"privateGetNoLock","file":"AbstractCacheUnit.java","line":283},{"class":"de.hybris.platform.cache.AbstractCacheUnit","method":"privateGet","file":"AbstractCacheUnit.java","line":268},{"class":"de.hybris.platform.cache.AbstractCacheUnit","method":"get","file":"AbstractCacheUnit.java","line":169},{"class":"de.hybris.platform.jalo.JaloItemCacheUnit","method":"getCached","file":"JaloItemCacheUnit.java","line":92},{"class":"de.hybris.platform.core.WrapperFactory","method":"getCachedItems","file":"WrapperFactory.java","line":362},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"loadPage","file":"LazyLoadItemList.java","line":220},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"switchPage","file":"LazyLoadItemList.java","line":209},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"switchBufferedPageNoLock","file":"LazyLoadItemList.java","line":457},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"switchBufferedPageSynchronized","file":"LazyLoadItemList.java","line":449},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"switchBufferedPage","file":"LazyLoadItemList.java","line":444},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"getOrSwitchBufferedPage","file":"LazyLoadItemList.java","line":435},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"getOrSwitchBufferedPage","file":"LazyLoadItemList.java","line":415},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"getBuffered","file":"LazyLoadItemList.java","line":101},{"class":"de.hybris.platform.core.LazyLoadItemList","method":"get","file":"LazyLoadItemList.java","line":88},{"class":"java.util.AbstractList$Itr","method":"next","file":"AbstractList.java","line":373},{"class":"java.util.Collections$UnmodifiableCollection$1","method":"next","file":"Collections.java","line":1079},{"class":"de.hybris.platform.servicelayer.internal.model.impl.AbstractModelService","method":"toModelLayer","file":"AbstractModelService.java","line":59},{"class":"de.hybris.platform.servicelayer.internal.converter.impl.ItemModelConverter","method":"getModelValue","file":"ItemModelConverter.java","line":2806},{"class":"de.hybris.platform.servicelayer.internal.converter.impl.ItemModelConverter","method":"convertObjectsToModels","file":"ItemModelConverter.java","line":2744},{"class":"de.hybris.platform.servicelayer.internal.converter.impl.ItemModelConverter","method":"readSingleAttribute","file":"ItemModelConverter.java","line":1459},{"class":"de.hybris.platform.servicelayer.internal.converter.impl.ItemAttributeProvider","method":"getAttribute","file":"ItemAttributeProvider.java","line":110},{"class":"de.hybris.platform.servicelayer.model.ItemModelContextImpl","method":"loadUnlocalizedAttribute","file":"ItemModelContextImpl.java","line":285},{"class":"de.hybris.platform.servicelayer.model.ItemModelContextImpl","method":"getValue","file":"ItemModelContextImpl.java","line":245},{"class":"de.hybris.platform.servicelayer.model.ItemModelContextImpl","method":"getPropertyValue","file":"ItemModelContextImpl.java","line":261},{"class":"de.hybris.platform.cms2.model.contents.contentslot.ContentSlotModel","method":"getCmsComponents","file":"ContentSlotModel.java","line":134},

......}