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1. Re: Navigating through results pages problem
I am having the same problem with seam-gen code (The generate-entities function). I had the problem with seam 1.1.5 and it still exists in 1.2.
My work around at the moment is to just restart JBoss...this problem pops up for me after I have deployed/"seam restart" your app a few times to jboss.
Anyway if someone can find another solution to this (because it is fine for a live enviroment where you hardly ever redeploy... but it is annoying while developing)..
I just generate the entities, type seam restart then "browse" the database, seam restart... browse...etc... then... It just seams to happen at random (but quite often). When I get an exception/debug screen, I can just hit F5, and it it will display correctly.
here is an example exception14:04:23,393 ERROR [STDERR] 2007/02/28 02:04:23 com.sun.facelets.FaceletViewHandler handleRenderException SEVERE: Error Rendering View[/QueueDatabasesList.xhtml] javax.faces.el.EvaluationException: Cannot get value for expression '#{queueDatabasesList.queueDatabases.dbUrl}' at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402) at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:57) at org.jboss.seam.pages.Param.getValueFromModel(Param.java:93) at org.jboss.seam.core.Pages.getPageParameterValue(Pages.java:582) at org.jboss.seam.core.Pages.getConvertedParameters(Pages.java:558) at org.jboss.seam.ui.HtmlLink.encodeBegin(HtmlLink.java:127) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:242) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:249) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:573) at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:101) at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:221) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:619) Caused by: java.lang.NullPointerException at org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464) at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at org.jboss.seam.jsf.SeamApplication11.getPropertyResolver(SeamApplication11.java:170) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) ... 46 more
and here is another one... all I do is hit the search button... over and over and over... until this pops upjavax.faces.el.EvaluationException: /QueueDatabasesList.xhtml @82,66 value="#{queueDatabasesList.resultList}": Exception getting value of property resultList of base of type : coza.healthbridge.qmonitor.beans.entity.QueueDatabasesList$$EnhancerByCGLIB$$1afe9b5c at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:60) at javax.faces.component.UIData.getValue(UIData.java:1019) at org.jboss.seam.ui.HtmlLink.getSelection(HtmlLink.java:42) at org.jboss.seam.ui.HtmlLink.encodeBegin(HtmlLink.java:175) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:433) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:419) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:440) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTableRendererBase.renderColumnBody(HtmlTableRendererBase.java:332) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTableRendererBase.encodeColumnChild(HtmlTableRendererBase.java:301) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:277) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:123) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:524) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:244) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:249) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:573) at org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:101) at org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:221) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 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.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) 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:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:619) Caused by: javax.faces.el.EvaluationException: Bean: coza.healthbridge.qmonitor.beans.entity.QueueDatabasesList$$EnhancerByCGLIB$$1afe9b5c, property: resultList at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141) at com.sun.el.parser.AstValue.getValue(AstValue.java:117) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56) ... 52 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor448.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) ... 58 more Caused by: javax.faces.el.EvaluationException: Cannot get value for expression '#{queueDatabasesList.queueDatabases.groupName}' at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402) at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:57) at org.jboss.seam.framework.Query.isAnyParameterDirty(Query.java:280) at org.jboss.seam.framework.Query.isAnyParameterDirty(Query.java:308) at org.jboss.seam.framework.EntityQuery.getResultList(EntityQuery.java:39) at org.jboss.seam.framework.EntityQuery$$FastClassByCGLIB$$225925e6.invoke(<generated>) at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57) at org.jboss.seam.interceptors.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:34) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:32) at org.jboss.seam.util.Work.workInTransaction(Work.java:37) at org.jboss.seam.interceptors.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:154) at org.jboss.seam.intercept.JavaBeanInterceptor.intercept(JavaBeanInterceptor.java:89) at coza.healthbridge.qmonitor.beans.entity.QueueDatabasesList$$EnhancerByCGLIB$$1afe9b5c.getResultList(<generated>) ... 62 more Caused by: java.lang.NullPointerException at org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464) at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at org.jboss.seam.jsf.SeamApplication11.getPropertyResolver(SeamApplication11.java:170) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) ... 82 more
Any solutions besides restarting jboss? -
2. Re: Navigating through results pages problem
Try increasing the perm gen space in your JVM to about 256 meg.
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3. Re: Navigating through results pages problem
The stuff in Hibernate Tools today is not uptodate. Try seam-gen in Seam 1.2.
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5. Re: Navigating through results pages problem
Increasing the permgen works for me too, thanks a lot!
I'm not using seam-gen because Hibernate Tools allow me to choose which tables are included in the reverse-engineering. I think it's not the case now with seam-gen.
I'll try to use seam-gen in Seam 1.2 again. Maybe I haven't seen some options.