JSF1064: Ressource not found! only when i use my Project in Firefox

Im using Java, Wildfly18, Primefaces and JSF in my Project but im getting this Warning! anyone know why im getting this Warning when i use the Project only in Firefox?
Any information would be helpful. here is the Server log :

WARNING [javax.enterprise.resource.webcontainer.jsf.application] (default task-290) JSF1064: Ressource core.js aus Bibliothek primefaces kann nicht gefunden oder bedient werden. 17:13:41,237 WARNING [javax.enterprise.resource.webcontainer.jsf.application] (default task-290) : java.nio.channels.ClosedChannelException at [e-mail]//io.undertow.channels.DetachableStreamSinkChannel.write(DetachableStreamSinkChannel.java:238) at [e-mail]//io.undertow.server.HttpServerExchange$WriteDispatchChannel.write(HttpServerExchange.java:2105) at [e-mail]//io.undertow.servlet.spec.ServletOutputStreamImpl.writeBufferBlocking(ServletOutputStreamImpl.java:574) at [e-mail]//io.undertow.servlet.spec.ServletOutputStreamImpl.write(ServletOutputStreamImpl.java:150) at java.base/java.nio.channels.Channels$WritableByteChannelImpl.write(Channels.java:464) at [e-mail]04//com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:318) at [e-mail]//javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:171) at deployment.ZeitverwaltungEAR.ear//org.primefaces.application.resource.PrimeResourceHandler.handleResourceRequest(PrimeResourceHandler.java:97) at [e-mail]//javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:704) at [e-mail]//javax.faces.webapp.FacesServlet.service(FacesServlet.java:451) at [e-mail]//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74) at [e-mail]//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) at io.opentracing.contrib.opentracing-jaxrs2//io.opentracing.contrib.jaxrs2.server.SpanFinishingFilter.doFilter(SpanFinishingFilter.java:52) at [e-mail]//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at [e-mail]//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at [e-mail]//io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) at [e-mail]//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at [e-mail]//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68) at [e-mail]//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) at [e-mail]//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) at [e-mail]//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at [e-mail]//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68) at [e-mail]//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132) at [e-mail]//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) at [e-mail]//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at [e-mail]//io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53) at [e-mail]//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at [e-mail]//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at [e-mail]//io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59) at [e-mail]//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) at [e-mail]//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) at [e-mail]//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) at [e-mail]//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) at [e-mail]//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at [e-mail]//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at [e-mail]//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at [e-mail]//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68) at [e-mail]//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130) at [e-mail]//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) at [e-mail]//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) at [e-mail]//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105) at [e-mail]//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) at [e-mail]//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) at [e-mail]//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) at [e-mail]//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) at [e-mail]//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78) at [e-mail]//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99) at [e-mail]//io.undertow.server.Connectors.executeRootHandler(Connectors.java:376) at [e-mail]//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) at [e-mail]//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35) at [e-mail]//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982) at [e-mail]//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486) at [e-mail]//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1348) at java.base/java.lang.Thread.run(Thread.java:834)

17:13:41,238 WARNING [javax.enterprise.resource.webcontainer.jsf.application] (default task-291) JSF1064: Ressource components.js aus Bibliothek primefaces kann nicht gefunden oder bedient werden. 17:13:41,249 WARNING [javax.enterprise.resource.webcontainer.jsf.application] (default task-291) : java.nio.channels.ClosedChannelException at [e-mail]//io.undertow.channels.DetachableStreamSinkChannel.write(DetachableStreamSinkChannel.java:238)

Answer

I already found the solution. in the Standalone.xml we should disable the http2 in the next line: