[JBoss Seam] - Re: Help, <s:convertEntity /> problem
by nicoliniyo
ok, begginers mistake!, fixed! (<s:convertEntity /> in the wrong line)
| ...
| <h:selectOneMenu id="pais" value="#{moneda.pais}">
| <s:selectItems value="#{paisLista}" var="unpais" label="#{unpais.nombre}" />
| <s:convertEntity />
| </h:selectOneMenu>
| ....
|
But the problem persist:
| java.lang.NullPointerException
| at org.jboss.seam.ui.converter.EntityConverterStore.getEntityManager(EntityConverterStore.java:81)
| at org.jboss.seam.ui.converter.EntityConverterStore.put(EntityConverterStore.java:60)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
| at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
| at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
| at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
| at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
| at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:38)
| at org.jboss.seam.util.Work.workInTransaction(Work.java:40)
| at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:32)
| at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
| at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
| at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
| at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
| at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:155)
| at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:91)
| at org.jboss.seam.ui.converter.EntityConverterStore_$$_javassist_2.put(EntityConverterStore_$$_javassist_2.java)
| at org.jboss.seam.ui.converter.EntityConverter.getAsString(EntityConverter.java:67)
| at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getFormattedValue(HtmlBasicRenderer.java:469)
| at com.sun.faces.renderkit.html_basic.MenuRenderer.renderOption(MenuRenderer.java:502)
| at com.sun.faces.renderkit.html_basic.MenuRenderer.renderOptions(MenuRenderer.java:757)
| at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:811)
| at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:335)
| at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
| at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
| at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
| at org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererBase.java:33)
| at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
| 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.DecorateRendererBase.doEncodeChildren(DecorateRendererBase.java:104)
| 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.render.Renderer.encodeChildren(Renderer.java:137)
| 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:592)
| at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
| at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
| 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.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:307)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
| at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:42)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
| at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
| at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
| at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
| at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
| 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.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:595)
|
My code for the entity: (forget all typo's I've translated the code from spanish)
| @Stateful
|
| @Name("currencyAdministrador")
|
| @Scope(ScopeType.CONVERSATION)
| public class CurrencyAdministradorImpl extends EntityHome<Currency> implements CurrencyAdministrador, Serializable{
|
| @RequestParameter Long currencyId;
|
| @PersistenceContext(unitName = "entityManager", type=PersistenceContextType.EXTENDED)
| EntityManager entityManager;
|
| @DataModel
| private List<Currency> currencyList;
|
| @DataModelSelection
| private Currency currencySelected;
|
| @In("#{currency}")
| @Out("#{currency}")
| public Currency currency ;
|
| @In("#{country}")
| @Out("#{country}")
| public Country country ;
|
| @In("#{currency}")
| @Out("#{currency}")
| public Currency copyObj ;
|
| @Out(scope=ScopeType.CONVERSATION,required=false)
| Map<Currency, Boolean> CurrencyErase = new HashMap<Currency, Boolean>();
|
| @Logger
| Log log;
|
|
| @Factory("currency")
| public Currency initObj() {
| return getInstance();
| }
|
| @Override
| public EntityManager getEntityManager() {
| return entityManager;
| }
|
| @Override
| public Object getId() {
| if(currencyId == null){
| return super.getId();
| }else{
| return currencyId;
|
| }
|
| }
|
| @Factory("currencyList")
| public String listAll() {
| CurrencyList = entityManager.createQuery("from Currency ").getResultList();
|
| return null;
| }
|
| @Begin(join=true)
| public String selectObj() {
|
| try {
| BeanUtils.copyProperties(currency, currencySelected);
|
| return "/currencyVisualizacion.xhtml";
|
| } catch (IllegalAccessException ex) {
| throw new RuntimeException(ex);
| } catch (InvocationTargetException ex) {
| throw new RuntimeException(ex);
| }
| }
|
| @End
| public String save() {
|
| //getInstance().setCountry(Country);
| String persist = persist();
|
| return null;
| }
|
| @End
| public String update() {
|
|
| entityManager.merge(getInstance());
| String persist = super.update();
|
| return "/currencyListado.xhtml";
| }
|
| @End
| public String borrar() {
|
| setInstance(currencySelectioned);
| remove();
| listAll();
|
|
| return "/currencyListado.xhtml";
|
| }
|
| @End
| public String borrarVarios() {
|
| for (Currency item: currencyList) {
| Boolean selected = currencyErase.get(item);
|
| if (selected!=null && selected) {
| currencyErase.put(item, false);
| entityManager.remove(item);
|
|
| }
| }
| listAll();
| return null;
|
| }
|
| @End
| public String cancelar() {
| return "/currencyListado.xhtml";
| }
|
| @Remove
| @Destroy
| public void destroy() {
|
| }
|
| }
|
|
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18 years, 4 months