[JBoss Seam] - Re: value for '#{org.jboss.seam.security.identity}' sometime
by koenhandekyn
let me add the full stack trace
it is scary to see this happen ' sometimes ' without any real logic
as far as i can trace it's a seam internal nullpointer exception
- - - - -
16:16:21,508 ERROR [ExceptionFilter] uncaught exception
javax.servlet.ServletException: /layout/menu.xhtml @17,58 rendered="#{identity.loggedIn}": Cannot get value for expression '#{org.jboss.seam.security.identity}'
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
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.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
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$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$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)
16:16:21,552 ERROR [ExceptionFilter] exception root cause
javax.faces.el.EvaluationException: /layout/menu.xhtml @17,58 rendered="#{identity.loggedIn}": Cannot get value for expression '#{org.jboss.seam.security.identity}'
at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:60)
at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:1075)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:640)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIViewRoot.processUpdates(UIViewRoot.java:157)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.access$101(AjaxViewRoot.java:53)
at org.ajax4jsf.framework.ajax.AjaxViewRoot$2.invokeRoot(AjaxViewRoot.java:287)
at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:53)
at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:191)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.processUpdates(AjaxViewRoot.java:301)
at org.apache.myfaces.lifecycle.LifecycleImpl.updateModelValues(LifecycleImpl.java:302)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:81)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
at org.jboss.seam.web.SeamFilter$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:127)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
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$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464)
at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at org.jboss.seam.jsf.SeamApplication11.getPropertyResolver(SeamApplication11.java:197)
at org.apache.myfaces.el.ELParserHelper$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)
at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:69)
at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1684)
at org.jboss.seam.Component.getInstance(Component.java:1633)
at org.jboss.seam.Component.getInstance(Component.java:1610)
at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:53)
at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:134)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:73)
at com.sun.el.parser.AstValue.getValue(AstValue.java:114)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:195)
at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56)
... 50 more
16:16:21,633 ERROR [DebugPageHandler] redirecting to debug page
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:197)
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)
at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:69)
at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1684)
at org.jboss.seam.Component.getInstance(Component.java:1633)
at org.jboss.seam.Component.getInstance(Component.java:1610)
at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:53)
at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:134)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:73)
at com.sun.el.parser.AstValue.getValue(AstValue.java:114)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:195)
at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56)
at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:1075)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:640)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIComponentBase.processUpdates(UIComponentBase.java:645)
at javax.faces.component.UIViewRoot.processUpdates(UIViewRoot.java:157)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.access$101(AjaxViewRoot.java:53)
at org.ajax4jsf.framework.ajax.AjaxViewRoot$2.invokeRoot(AjaxViewRoot.java:287)
at org.ajax4jsf.framework.ajax.JsfOneOneInvoker.invokeOnRegionOrRoot(JsfOneOneInvoker.java:53)
at org.ajax4jsf.framework.ajax.AjaxContext.invokeOnRegionOrRoot(AjaxContext.java:191)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.processUpdates(AjaxViewRoot.java:301)
at org.apache.myfaces.lifecycle.LifecycleImpl.updateModelValues(LifecycleImpl.java:302)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:81)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
at org.jboss.seam.web.SeamFilter$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:127)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
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)
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18Â years, 10Â months
[JBoss Seam] - Re: Writing a custom converter which wraps EntityConverter
by Newlukai
Thanks. I've it implemented this way:
public class SeverityConverter implements Converter {
| public Object getAsObject(FacesContext context, UIComponent component, String value) throws ConverterException {
| Converter entityConverter = (Converter) Component.getInstance("org.jboss.seam.ui.entityConverter");
|
| if(NoSelectionConverter.NO_SELECTION_VALUE.equals(value)) {
| return entityConverter.getAsObject(context, component, value);
| }
|
| int severity = Integer.parseInt(value);
| if(severity >= 0) {
| return entityConverter.getAsObject(context, component, value);
| }
|
| return AdditionalSeverities.getSeverityByID(severity);
| }
|
| public String getAsString(FacesContext context, UIComponent component, Object value) throws ConverterException {
| Converter entityConverter = (Converter) Component.getInstance("org.jboss.seam.ui.entityConverter");
| Severityclass severity = (Severityclass) value;
|
| if(severity == null || severity.getID() >= 0) {
| return entityConverter.getAsString(context, component, value);
| }
|
| return String.valueOf(severity.getID());
| }
| }
I'm wondering if the way I get the EntityConverter is OK or if there's a more elegant way.
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18Â years, 10Â months