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    This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

Solutions on the web

via Icesoft by jmerino, 1 year ago
Unexpected error restoring state for component with id navigationMenuForm:j_idt30:j_idt33. Cause: java.lang.IllegalStateException: java.lang.InstantiationException: com.genericos.PuntoMenu.
via Oracle Community by 835390, 1 year ago
Unexpected error restoring state for component with id castle-list:j_idt12:castle-resident-list. Cause: org.hibernate.LazyInitializationException: failed to lazily initialize a collection, no session or session was closed.
via Stack Overflow by Selvin
, 2 years ago
Unexpected error restoring state for component with id j_idt7. Cause: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0.
via Stack Overflow by user871611
, 2 years ago
Unexpected error restoring state for component with id someForm:someField. Cause: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1.
via primefaces.org by Unknown author, 2 years ago
Unexpected error restoring state for component with id j_idt3.  Cause: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0.
via icesoft.org by Unknown author, 2 years ago
Unexpected error restoring state for component with id javax_faces_location_HEAD. Cause: java.lang.ClassCastException: com.sun.faces.application.view.StateHolderSaver cannot be cast to [Ljava.lang.Object;.
java.lang.InstantiationException: com.genericos.PuntoMenu	at java.lang.Class.newInstance0(Unknown Source)	at java.lang.Class.newInstance(Unknown Source)	at javax.faces.component.StateHolderSaver.restore(StateHolderSaver.java:107)	at javax.faces.component.UIComponentBase.restoreAttachedState(UIComponentBase.java:1582)	at javax.faces.component.ComponentStateHelper.restoreState(ComponentStateHelper.java:290)	at javax.faces.component.UIComponentBase.restoreState(UIComponentBase.java:1444)	at com.icesoft.faces.component.panelseries.UISeries.restoreState(UISeries.java:644)	at com.icesoft.faces.component.panelseries.PanelSeries.restoreState(PanelSeries.java:138)	at com.sun.faces.application.view.StateManagementStrategyImpl$2.visit(StateManagementStrategyImpl.java:231)	at com.sun.faces.component.visit.FullVisitContext.invokeVisitCallback(FullVisitContext.java:147)	at com.icesoft.faces.component.panelseries.UISeries.visitTree(UISeries.java:830)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at com.icesoft.faces.component.panelseries.UISeries.visitColumnsAndRows(UISeries.java:914)	at com.icesoft.faces.component.panelseries.UISeries.visitTree(UISeries.java:848)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at javax.faces.component.UIForm.visitTree(UIForm.java:333)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1457)	at com.sun.faces.application.view.StateManagementStrategyImpl.restoreView(StateManagementStrategyImpl.java:223)	at com.sun.faces.application.StateManagerImpl.restoreView(StateManagerImpl.java:177)	at com.sun.faces.application.view.ViewHandlingStrategy.restoreView(ViewHandlingStrategy.java:131)	at com.sun.faces.application.view.FaceletViewHandlingStrategy.restoreView(FaceletViewHandlingStrategy.java:430)	at com.sun.faces.application.view.MultiViewHandler.restoreView(MultiViewHandler.java:143)	at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:199)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)	at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:110)	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)	at java.lang.Thread.run(Unknown Source)