NPE in parameter conversion: String to Long
luxspes Dec 11, 2008 7:59 PMI am getting this WARNING in my logs:
WARN org.jboss.seam.navigation.Param - could not create converter for: categoriaBienCveCategoria java.lang.NullPointerException at org.jboss.seam.jsf.SeamApplication$ConverterLocator.locateConverter(SeamApplication.java:166) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.jsf.SeamApplication$ConverterLocator.getConverter(SeamApplication.java:148) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.jsf.SeamApplication.createConverter(SeamApplication.java:122) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.Param.getConverter(Param.java:66) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.Param.getStringValueFromModel(Param.java:143) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.RedirectNavigationHandler.navigate(RedirectNavigationHandler.java:46) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.Rule.execute(Rule.java:100) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.Navigation.navigate(Navigation.java:58) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.navigation.Pages.navigate(Pages.java:206) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:42) [jboss-seam.jar:2.1.0.SP1] at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:130) [jsf-impl.jar:1.2_09-b01-BETA1] at javax.faces.component.UICommand.broadcast(UICommand.java:387) [jsf-api.jar:1.2_09-b01-BETA1] at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:467) [richfaces-impl.jar:3.2.2.GA] at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82) [jsf-impl.jar:1.2_09-b01-BETA1] at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) [jsf-impl.jar:1.2_09-b01-BETA1] at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl.jar:1.2_09-b01-BETA1] at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) [jsf-api.jar:1.2_09-b01-BETA1] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) [catalina.jar:na] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:na] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:52) [jboss-seam-debug.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:43) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:39) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:46) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:279) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380) [richfaces-impl.jar:3.2.2.GA] at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507) [richfaces-impl.jar:3.2.2.GA] at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam.jar:2.1.0.SP1] at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:159) [jboss-seam.jar:2.1.0.SP1] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) [catalina.jar:na] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:na] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) [catalina.jar:na] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [catalina.jar:na] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:434) [catalina.jar:na] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) [catalina.jar:na] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [catalina.jar:na] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:111) [catalina.jar:na] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) [catalina.jar:na] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) [tomcat-coyote.jar:na] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) [tomcat-coyote.jar:na] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) [tomcat-coyote.jar:na] at java.lang.Thread.run(Thread.java:595) [na:na]
when I hit this navigation rule:
<rule if-outcome="persisted" if="#{not empty categoriaBienCveCategoriaFor}"> <end-conversation/> <redirect view-id="#{categoriaBienFrom}"> <param name="categoriaBienCveCategoria" value="#{categoriaBienCveCategoriaFor}"/> <param name="categoriaBienFrom" value="/Crud/CategoriaBien/CategoriaBienList.xhtml"/> </redirect> </rule>
As a side effect the categoriaBienCveCategoria is not set with the value in #{categoriaBienCveCategoriaFor}, and that makes my validation rule useless.
But I found a weird workaround:
<rule if-outcome="persisted" if="#{not empty categoriaBienCveCategoriaFor}"> <end-conversation/> <redirect view-id="#{categoriaBienFrom}"> <param name="categoriaBienCveCategoria" value="#{categoriaBienCveCategoriaFor+0}"/> <param name="categoriaBienFrom" value="/Crud/CategoriaBien/CategoriaBienList.xhtml"/> </redirect> </rule>
Did you notice the +0 in #{categoriaBienCveCategoriaFor+0} ? That seems to be triggering the right conversion to match the setter for Long categoriaBienCveCategoria;
I think this is a bug in the way Seam 2.1.0SP1 is dealing with conversions.
Anyone else has this problem?