Estado HTTP 500 – Internal Server Error


Tipo Informe de Excepción

mensaje No se puede crear la instancia de clase: es.imib.bibliometrics.analysis.AuthorWeb.

Descripción El servidor encontró un error interno que hizo que no pudiera rellenar este requerimiento.

excepción

javax.servlet.ServletException: No se puede crear la instancia de clase: es.imib.bibliometrics.analysis.AuthorWeb.
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:671)
	org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:111)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

causa raíz

com.sun.faces.mgbean.ManagedBeanCreationException: No se puede crear la instancia de clase: es.imib.bibliometrics.analysis.AuthorWeb.
	com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:191)
	com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:100)
	com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409)
	com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
	com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
	com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
	com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
	com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
	org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:94)
	org.apache.el.parser.AstValue.getValue(AstValue.java:137)
	org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:190)
	com.sun.faces.facelets.el.ELText$ELTextVariable.writeText(ELText.java:238)
	com.sun.faces.facelets.compiler.TextInstruction.write(TextInstruction.java:85)
	com.sun.faces.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:82)
	com.sun.faces.facelets.compiler.UILeaf.encodeAll(UILeaf.java:183)
	javax.faces.render.Renderer.encodeChildren(Renderer.java:176)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:890)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
	com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:134)
	javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
	org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:111)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

causa raíz

java.lang.NullPointerException
	es.imib.bibliometrics.analysis.AuthorWeb.<init>(AuthorWeb.java:42)
	jdk.internal.reflect.GeneratedConstructorAccessor65.newInstance(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	java.base/java.lang.Class.newInstance(Class.java:584)
	com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:186)
	com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:100)
	com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409)
	com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
	com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
	com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
	com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
	com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
	org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:94)
	org.apache.el.parser.AstValue.getValue(AstValue.java:137)
	org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:190)
	com.sun.faces.facelets.el.ELText$ELTextVariable.writeText(ELText.java:238)
	com.sun.faces.facelets.compiler.TextInstruction.write(TextInstruction.java:85)
	com.sun.faces.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:82)
	com.sun.faces.facelets.compiler.UILeaf.encodeAll(UILeaf.java:183)
	javax.faces.render.Renderer.encodeChildren(Renderer.java:176)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:890)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1856)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
	com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:134)
	javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
	org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:111)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

nota La traza completa de la causa de este error se encuentra en los archivos de registro del servidor.


Apache Tomcat/9.0.19