Hi guys, I'm trying to make a login system for users using a filter, my application is done with JSF and Hibernate, but every time I boot up it, I get an error java.lang.IllegalStateException at org.apache.catalina.connector.ResponseFacade.setBufferSize(ResponseFacade.java:232) at com.sun.faces.context.ExternalContextImpl.setResponseBufferSize(ExternalContextImpl.java:799) at javax.faces.context.ExternalContextWrapper.setResponseBufferSize(ExternalContextWrapper.java:741) at com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:265) at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125) at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125) at org.richfaces.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:262) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:407) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at br.salesianos.acao.LoginFiltro.doFilter(LoginFiltro.java:49) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at ...