[JBoss Seam] - Re: Multiple DataModels in an SFSB
by fernando_jmt
"gavin.king(a)jboss.com" wrote : @Factory(scope=EVENT|STATELESS)
Related to this I have some troubles, maybe you can help me.
I have this code:
| @Statefull
| @Name("userList")
| @Scope(ScopeType.SESSION)
| public class UserList {
|
| @DataModel
| private List<User> users;
|
| @Factory("users")
| public void findUsers() {
| users = em.createQuery..........
| }
|
| }
|
The above code works fine, but the problem I have is that the user list is only fill up the first time.
Then I change the @Factory code (according your comment) as follows:
| @Factory(value="users", scope=ScopeType.EVENT)
| public void findUsers() {
| users = em.createQuery..........
| }
|
|
But, doing this change I always get this exception:
| 22:46:29,203 ERROR [D2DFaceletViewHandler] Problem in renderResponse: factory method with defined scope outjected a value:
| users
| java.lang.IllegalArgumentException: factory method with defined scope outjected a value: users
| at org.jboss.seam.Component.handleFactoryMethodResult(Component.java:1745)
| at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1719)
| at org.jboss.seam.Component.getInstance(Component.java:1655)
| at org.jboss.seam.Component.getInstance(Component.java:1632)
| at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:105)
| at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
| at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:134)
| at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
| at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183)
| at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
| at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56)
| at javax.faces.component.UIData.getValue(UIData.java:1019)
| at com.icesoft.faces.component.panelseries.UISeries.getDataModel(UISeries.java:304)
| at com.icesoft.faces.component.panelseries.UISeries.processCurrentRowData(UISeries.java:132)
| at com.icesoft.faces.component.panelseries.UISeries.setRowIndex(UISeries.java:124)
| at javax.faces.component.html.HtmlDataTable.encodeBegin(HtmlDataTable.java:43)
| at com.icesoft.faces.component.panelseries.UISeries.encodeBegin(UISeries.java:245)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:579)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:586)
| at com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:276)
| at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:149)
| at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
| at com.icesoft.faces.webapp.xmlhttp.PersistentFacesServlet.service(PersistentFacesServlet.java:406)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:85)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
| at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
| at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
| at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:66
| 4)
| at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
| at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
| at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
| at java.lang.Thread.run(Thread.java:595)
|
|
I also tried using an Stateless component:
| @Stateless
| @Name("userList")
| @Scope(ScopeType.STATELESS)
| public class UserList {
|
| @DataModel
| private List<User> users;
|
| @Factory(value="users", scope=ScopeType.STATELESS)
| public void findUsers() {
| users = em.createQuery..........
| }
|
| }
|
But trying that I get the same exception.
Is there something I'm doing wrong?
Is there some bug there?
I hope you can help me.
Thanks in advance.
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19Â years, 2Â months
[JBoss Seam] - Re: NullPointerException when get a row from a list
by dago
hello SmokingAPipe.
you said:
anonymous wrote : Tell me where is cnMessages being set?
see the red code bellow:
public class UITicker extends UIOutput {
private CnMessageActionTest cmat;
public void encodeBegin(FacesContext ctx) throws IOException {
ResponseWriter writer = ctx.getResponseWriter();
writer.startElement("div", this);
String enMsg = (String)getAttributes().get("enMsg");
cmat = new CnMessageActionTest();
cmat.getCnMessage(enMsg);
if (enMsg!=null)
writer.writeAttribute("enMsg", enMsg, null);
String style = (String)getAttributes().get("style");
if (style!=null)
writer.writeAttribute("style", style, null);
String styleClass = (String)getAttributes().get("styleClass");
if (styleClass!=null)
writer.writeAttribute("class", styleClass, null);
}
public void encodeEnd(FacesContext context) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.endElement("div");
}
}
thanks! (I am a newer to seam)
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4012768#4012768
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4012768
19Â years, 2Â months