Ola pessoal…
Estou iniciando meus estudos em JSF, iniciei um projeto com o netbeans, ele lista na tabela dos os dados do banco, mas qndo eu clico em qualquer componente, um botao, link ou na coluna da tabela para ordenacao, me ocorre a seguinte exception.
Description: An unhandled exception occurred during the execution of the web application. Please review the following stack trace for more information regarding the error.
Exception Details: java.lang.NullPointerException
null
Possible Source of Error:
Class Name: javax.faces.component.UIComponentBase
File Name: UIComponentBase.java
Method Name: getRenderer
Line Number: 524
Source not available. Information regarding the location of the exception can be identified using the exception stack trace below.
Stack Trace:
javax.faces.component.UIComponentBase.getRenderer(UIComponentBase.java:524)
javax.faces.component.UIComponentBase.getClientId(UIComponentBase.java:136)
javax.faces.component.UIComponentBase.getClientId(UIComponentBase.java:129)
com.sun.rave.web.ui.component.TableRowGroup.getProperties(TableRowGroup.java:1889)
com.sun.rave.web.ui.component.TableRowGroup.restoreState(TableRowGroup.java:1575)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:511)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:502)
org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreComponentState(JspStateManagerImpl.java:129)
org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreView(JspStateManagerImpl.java:185)
org.apache.myfaces.application.jsp.JspViewHandlerImpl.restoreView(JspViewHandlerImpl.java:255)
com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:345)
com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:345)
org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.java:113)
org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:66)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:94)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
com.sun.rave.web.ui.util.UploadFilter.doFilter(UploadFilter.java:225)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:111)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
java.lang.Thread.run(Thread.java:619)flw…
