Exceptions handling - strange behaviour of SeamFilter
After adding SeamFilter to my web.xml I'm getting error shown on stacktrace below. Problem appears in case of any application exception that appears after ajax4jsf's call that I'm performing with <a4j:commandLink/>.
Jun 10, 2007 5:54:03 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet Faces Servlet threw exception java.lang.IllegalArgumentException: Stack must not be null at org.jboss.seam.core.ConversationEntry.<init>(ConversationEntry.java:40) at org.jboss.seam.core.ConversationEntries.createConversationEntry(ConversationEntries.java:50) at org.jboss.seam.core.Manager.createConversationEntry(Manager.java:685) at org.jboss.seam.core.Manager.beforeRedirect(Manager.java:834) at org.jboss.seam.core.Manager.beforeRedirect(Manager.java:852) at org.jboss.seam.core.Manager.appendConversationIdFromRedirectFilter(Manager.java:1104) at org.jboss.seam.web.RedirectFilter$1.sendRedirect(RedirectFilter.java:66) at com.sun.faces.context.ExternalContextImpl.redirect(ExternalContextImpl.java:419) at org.ajax4jsf.framework.ajax.AjaxViewHandler.restoreView(AjaxViewHandler.java:180) at com.sun.facelets.FaceletViewHandler.restoreView(FaceletViewHandler.java:310) at org.ajax4jsf.framework.ViewHandlerWrapper.restoreView(ViewHandlerWrapper.java:116) at org.ajax4jsf.framework.ajax.AjaxViewHandler.restoreView(AjaxViewHandler.java:150) at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:141) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:264) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:55) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:47) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:55) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:81) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:55) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:126) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:248) at org.jboss.seam.web.AbstractAjax4jsfFilter.doFilter(AbstractAjax4jsfFilter.java:35) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:55) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:126) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at net.sf.ehcache.constructs.web.filter.GzipFilter.doFilter(GzipFilter.java:75) at net.sf.ehcache.constructs.web.filter.Filter.doFilter(Filter.java:92) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619)
