[jboss-user] [JBoss Seam] - EntityQuery bug

rmemoria do-not-reply at jboss.com
Tue Sep 11 10:13:27 EDT 2007


Hi all,

I'm using SEAM 2.0.0 from the CVS and it seems to have the same problem since version 1.2.1.

I have an EntityQuery object like that:

@Name("localities")
  | public class LocalitiesQuery extends EntityQuery {
  | 	private static final long serialVersionUID = -4255032277168197004L;
  | 
  | 	private String[] restrictions = {"l.region = #{localities.region}"};
  | 	
  | 	private Region region;
  | 
  | 	public Region getRegion() {
  | 		return region;
  | 	}
  | 
  | 	public void setRegion(Region region) {
  | 		this.region = region;
  | 	}
  | 
  | 	@Override
  | 	public String getEjbql() {
  | 		return "from Locality l join fetch l.region";
  | 	}
  | 
  | 	@Override
  | 	public List<String> getRestrictions() {
  | 		return Arrays.asList(restrictions);
  | 	}
  | 
  | 	@Override
  | 	protected String getCountEjbql() {
  | 		return "select count(*) from Locality l";
  | 	}
  | 
  | }

PROBLEM: If I try to read localities.resultCount with a restriction defined, I get the following error:


javax.faces.FacesException: javax.el.ELException: /admin/localities.xhtml @37,119 rendered="#{localities.resultCount == 0}": Error reading 'resultCount' on type com.rmemoria.drugman.LocalitiesQuery_$$_javassist_5
  | 	at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:373)
  | 	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:880)
  | 	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:577)
  | 	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.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  | 	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.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
  | 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:150)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 	at com.rmemoria.utils.NoCacheFilter.doFilter(NoCacheFilter.java:40)
  | 	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(Unknown Source)
  | Caused by: javax.el.ELException: /admin/localities.xhtml @37,119 rendered="#{localities.resultCount == 0}": Error reading 'resultCount' on type com.rmemoria.drugman.LocalitiesQuery_$$_javassist_5
  | 	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
  | 	at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:370)
  | 	... 52 more
  | Caused by: java.lang.IllegalArgumentException: org.hibernate.QueryParameterException: could not locate named parameter [el1]
  | 	at org.hibernate.ejb.QueryImpl.setParameter(QueryImpl.java:176)
  | 	at org.jboss.seam.framework.EntityQuery.setParameters(EntityQuery.java:180)
  | 	at org.jboss.seam.framework.EntityQuery.createCountQuery(EntityQuery.java:169)
  | 	at org.jboss.seam.framework.EntityQuery.initResultCount(EntityQuery.java:105)
  | 	at org.jboss.seam.framework.EntityQuery.getResultCount(EntityQuery.java:97)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  | 	at java.lang.reflect.Method.invoke(Unknown Source)
  | 	at org.jboss.seam.util.Reflections.invoke(Reflections.java:23)
  | 	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:39)
  | 	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 com.rmemoria.drugman.LocalitiesQuery_$$_javassist_5.getResultCount(LocalitiesQuery_$$_javassist_5.java)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  | 	at java.lang.reflect.Method.invoke(Unknown Source)
  | 	at javax.el.BeanELResolver.getValue(BeanELResolver.java:62)
  | 	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
  | 	at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
  | 	at org.jboss.el.parser.AstPropertySuffix.getValue(AstPropertySuffix.java:53)
  | 	at org.jboss.el.parser.AstValue.getValue(AstValue.java:67)
  | 	at org.jboss.el.parser.AstEqual.getValue(AstEqual.java:21)
  | 	at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
  | 	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
  | 	... 53 more
  | Caused by: org.hibernate.QueryParameterException: could not locate named parameter [el1]
  | 	at org.hibernate.engine.query.ParameterMetadata.ge
  | 11:05:29,328 ERROR [STDERR] tNamedParameterDescriptor(ParameterMetadata.java:75)
  | 	at org.hibernate.engine.query.ParameterMetadata.getNamedParameterExpectedType(ParameterMetadata.java:81)
  | 	at org.hibernate.impl.AbstractQueryImpl.determineType(AbstractQueryImpl.java:413)
  | 	at org.hibernate.impl.AbstractQueryImpl.setParameter(AbstractQueryImpl.java:383)
  | 	at org.hibernate.ejb.QueryImpl.setParameter(QueryImpl.java:171)
  | 	... 88 more

Watching the source code, it seems the resultCount construction is different from the resultList construction. It doesn't consider the restrictions at a first parser, but tries to pass the parameters during query executing.

Regards,
Ricardo Memoria

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