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1. Re: DataModel and Factory Method
nagendra_singh_krishnawat Oct 2, 2009 10:15 PM (in response to solsticepan.pneuburger.neuburger-edv.de)As far as I know, If you are using annotation @DataModel then you don't need to use @Factory. Because @Datamodel itself is outjecting the variable in seam context.
Secondly your @Factory method has return type void, this seems to be wrong as it should return some value to go in seam context.
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2. Re: DataModel and Factory Method
solsticepan.pneuburger.neuburger-edv.de Oct 2, 2009 10:27 PM (in response to solsticepan.pneuburger.neuburger-edv.de)Hello,
did you read the Documentation.
http://docs.jboss.com/seam/1.2.0.PATCH1/reference/en/html/concepts.html#d0e3190
then you will see why Iam using the @Factory method with return type void.
Regards
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3. Re: DataModel and Factory Method
blabno Oct 2, 2009 10:39 PM (in response to solsticepan.pneuburger.neuburger-edv.de)Full stacktrace please.
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4. Re: DataModel and Factory Method
solsticepan.pneuburger.neuburger-edv.de Oct 3, 2009 8:09 AM (in response to solsticepan.pneuburger.neuburger-edv.de)now i get another error ???
java.lang.IllegalArgumentException: Cannot convert org.jboss.seam.jsf.ListDataModel@e54d8 of type class org.jboss.seam.jsf.ListDataModel to class java.lang.Boolean
at org.jboss.el.lang.ELSupport.coerceToBoolean(ELSupport.java:177)
at org.jboss.el.parser.AstAnd.getValue(AstAnd.java:27)
at org.jboss.el.parser.AstDeferredExpression.getValue(AstDeferredExpression.java:26)
at org.jboss.el.parser.AstCompositeExpression.getValue(AstCompositeExpression.java:31)
at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:390)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:148)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282)
at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262)
at org.richfaces.renderkit.TabRendererBase.encodeChildren(TabRendererBase.java:113)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282)
at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262)
at org.richfaces.renderkit.html.TabPanelRenderer.doEncodeChildren(TabPanelRenderer.java:286)
at org.richfaces.renderkit.html.TabPanelRenderer.doEncodeChildren(TabPanelRenderer.java:281)
at org.ajax4jsf.renderkit.RendererBase.encodeChildren(RendererBase.java:121)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:282)
at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262)
at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:220)
at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:215)
at org.ajax4jsf.renderkit.RendererBase.encodeChildren(RendererBase.java:121)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:936)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
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:196)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
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$FilterChainImpl.doFilter(SeamFilter.java:83)
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
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:45)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
at org.jboss.seam.servlet.SeamFilter$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:182)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
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:262)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
at java.lang.Thread.run(Unknown Source) -
5. Re: DataModel and Factory Method
blabno Oct 3, 2009 1:06 PM (in response to solsticepan.pneuburger.neuburger-edv.de)One thing is here :
richfaces:dataTable value="#{myBean.dataModel}"
If you annotate a property with
@DataModel
then it will become context variable, so you do not need to reference the bean. #{glasDataModel} would be enough.Other thing is that you do not have
dataModel
property on your bean. You haveglasDataModel
and it is not even a property (no getter), it's just an attribute.As to
cannot convert
exception, it seems in your facelet in somerender
attribute you call wrong expression. I'm guessing you do this<sometag ... rendered="#{glasDataModel}"/>
instead of
<sometag ... rendered="#{glasDataModel.rowCount > 0}"/>
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6. Re: DataModel and Factory Method
solsticepan.pneuburger.neuburger-edv.de Oct 5, 2009 12:52 PM (in response to solsticepan.pneuburger.neuburger-edv.de)Hi Bernard,
you´re right, i had an error in
#{myBean.dataModel}
, so I fixed it. And yes I had an Error in the rendered Attribute. Fixed it also. Everything works fine now.thanks
peter