java.lang.IllegalStateException bei com.sun.faces.context.FacesContextImpl.assertNotReleased
Frage
Wenn ich die submit` Taste Fehlermeldungen drücken werden auf Server-Protokoll geworfen
login.xhtml
<h:form>
<p:panel header="Login">
<p:messages id="msgs" showDetail="true"/>
<h:panelGrid columns="2" columnClasses="column" cellpadding="5">
<h:outputLabel for="user" value="Username" />
<h:inputText id="user" value="#{login.username}" />
<h:outputLabel for="pw" value="Passwort" />
<h:inputSecret id="pw" redisplay="false" value="#{login.password}" />
</h:panelGrid>
<p:commandButton value="Anmelden" action="#{login.login}" type="submit" update="msgs" />
</p:panel>
</h:form>
Login.java
@ManagedBean
@ViewScoped
public class Login {
private FacesContext fCtx;
private String username;
private String password;
public Login() {
fCtx = FacesContext.getCurrentInstance();
}
public String login(){
// HttpSession session = (HttpSession) fCtx.getExternalContext().getSession(true);
// String sessionId = session.getId();
fCtx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO,"Info: ", getUsername()+", "+getPassword()+", "));
return "start.xhtml";
}
public void setUsername(String username) {
this.username = username;
}
public String getUsername() {
return username;
}
public void setPassword(String password) {
this.password = password;
}
public String getPassword() {
return password;
}
}
Error Stack Trace
05.01.2011 15:24:00 com.sun.faces.application.ActionListenerImpl processAction
SCHWERWIEGEND: java.lang.IllegalStateException
javax.faces.el.EvaluationException: java.lang.IllegalStateException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:98)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:98)
at javax.faces.component.UICommand.broadcast(UICommand.java:311)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:781)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1246)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:77)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalStateException
at com.sun.faces.context.FacesContextImpl.assertNotReleased(FacesContextImpl.java:635)
at com.sun.faces.context.FacesContextImpl.addMessage(FacesContextImpl.java:471)
at org.dhbw.stg.wwi2008c.mopro.ui.managedBeans.Login.login(Login.java:24)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:102)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:84)
... 23 more
05.01.2011 15:24:00 com.sun.faces.lifecycle.InvokeApplicationPhase execute
WARNUNG: #{login.login}: java.lang.IllegalStateException
javax.faces.FacesException: #{login.login}: java.lang.IllegalStateException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:114)
at javax.faces.component.UICommand.broadcast(UICommand.java:311)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:781)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1246)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:77)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Caused by: javax.faces.el.EvaluationException: java.lang.IllegalStateException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:98)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:98)
... 22 more
Caused by: java.lang.IllegalStateException
at com.sun.faces.context.FacesContextImpl.assertNotReleased(FacesContextImpl.java:635)
at com.sun.faces.context.FacesContextImpl.addMessage(FacesContextImpl.java:471)
at org.dhbw.stg.wwi2008c.mopro.ui.managedBeans.Login.login(Login.java:24)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:102)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:84)
... 23 more
javax.faces.FacesException: #{login.login}: java.lang.IllegalStateException
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:85)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Caused by: javax.faces.FacesException: #{login.login}: java.lang.IllegalStateException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:114)
at javax.faces.component.UICommand.broadcast(UICommand.java:311)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:781)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1246)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:77)
... 18 more
Caused by: javax.faces.el.EvaluationException: java.lang.IllegalStateException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:98)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:98)
... 22 more
Caused by: java.lang.IllegalStateException
at com.sun.faces.context.FacesContextImpl.assertNotReleased(FacesContextImpl.java:635)
at com.sun.faces.context.FacesContextImpl.addMessage(FacesContextImpl.java:471)
at org.dhbw.stg.wwi2008c.mopro.ui.managedBeans.Login.login(Login.java:24)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:102)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:84)
... 23 more
Was das Problem ist, wie kann ich es beheben?
Lösung
Ihr Fehler ist hier:
@ManagedBean
@ViewScoped
public class Login {
private FacesContext fCtx;
public Login() {
fCtx = FacesContext.getCurrentInstance();
}
}
Sie sollten nie assign FacesContext
als Instanzvariable einer Ansicht / session / Anwendung scoped Bean verwaltet und es in verschiedenen Anträgen wiederverwenden, da die aktuelle Instanz des FacesContext
der aktuellen Anforderung, die Marken gebunden Fordern sie es von Natur aus scoped (vorzugsweise aber tun auch nicht so in Anfrage Bohnen scoped wegen der schlechten Stil, der den Anfang verwirrend sein kann).
Die FacesContext
Instanz wird durch Ende der Anfrage freigegeben. In nachfolgenden Anforderungen, ist die Instanz in einer früheren Anfrage erhielt nicht mehr gültig. Wenn es funktioniert hätte, dann würden alle Getter-Methoden auf ExternalContext
haben Sie die Eigenschaften zurückgeführt (Parameter, Cookies, Header, etc.) einer vorherigen HTTP-Anforderung und alle Setter-Methoden whould Satz zu einer vorherigen HTTP-Antwort, die für lange bereits begangen wurde. Das alles ist einfach nicht richtig.
Sie sollten immer es auf lokaler Basis pro Thread erhalten (das heißt gerade innerhalb des Verfahrensblock). In Ihrem speziellen Fall, nur zu erreichen, ist es gerade in der login()
Methode:
public String login() {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO, "Info: ", getUsername() + ", " + getPassword() + ", "));
return "start.xhtml";
}