My user is supposed to specify importances of something from the UI. The importance are interpreted as Shorts. Here is my Enum:
| @Name("importance") | @Scope(APPLICATION) | public enum Importance{ | DONT_CARE((short) 0, "I don't care"), NOT_VERY((short) 1, | "Not very important"), DONT_KNOW((short) 2, "I don't know"), IMPORTANT( | (short) 3, "Important"), VERY((short) 4, "Very important"); | | private final Short weight; | private final String label; | | Importance(Short weight, String label){ | this.weight = weight; | this.label = label; | } | | public Short getWeight(){ | return this.weight; | } | | public String toString(){ | return this.label; | } | } | I put it into the entity package since semantically it's closer to entities. The client code in the controller package is: | short impor = Importance.DONT_KNOW.getWeight(); | this.foo.setDistanceImportance(impor); | this.foo.setFondnessImportance(impor); | ... | However I got this exception: | 13:29:37,778 ERROR [STDERR] Aug 6, 2007 1:29:37 PM com.sun.facelets.FaceletViewHandler handleRenderException | SEVERE: Error Rendering View[/weekly-planner.xhtml] | org.jboss.seam.InstantiationException: Could not instantiate Seam component: importance | at org.jboss.seam.Component.newInstance(Component.java:1955) | at org.jboss.seam.Component.getInstance(Component.java:1858) | at org.jboss.seam.Component.getInstance(Component.java:1825) | at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55) | at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50) | at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166) | at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53) | at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53) | at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64) | at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44) | at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) | at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) | at javax.faces.component.UISelectItems.getValue(UISelectItems.java:130) | at org.jboss.seam.ui.component.UISelectItems.getValue(UISelectItems.java:96) | at com.sun.faces.renderkit.RenderKitUtils.getSelectItems(RenderKitUtils.java:323) | at com.sun.faces.renderkit.html_basic.MenuRenderer.getOptionNumber(MenuRenderer.java:675) | at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:793) | at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:335) | at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896) | at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) | at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) | at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:186) | at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166) | at org.jboss.seam.ui.renderkit.FragmentRendererBase.doEncodeChildren(FragmentRendererBase.java:29) | at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92) | at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) | at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:571) | at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) | at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233) | at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) | at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) | at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:82) | at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127) | at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277) | at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) | at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:68) | at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:149) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580) | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) | at java.lang.Thread.run(Thread.java:619) | Caused by: java.lang.InstantiationException: org.ningning.eatsmart.entity.Importance | at java.lang.Class.newInstance0(Class.java:340) | at java.lang.Class.newInstance(Class.java:308) | at org.jboss.seam.Component.instantiateJavaBean(Component.java:1300) | at org.jboss.seam.Component.instantiate(Component.java:1256) | at org.jboss.seam.Component.newInstance(Component.java:1951) | ... 72 more | How to fix this? Thanks in advance for any help! Regards, Ellen View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4071141#4071141 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4071141 _______________________________________________ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user