HTTP Status 500 - Error in Seam/JSF ----------------------------------- Key: EMBJOPR-109 URL: https://jira.jboss.org/jira/browse/EMBJOPR-109 Project: Embedded Jopr Issue Type: Bug Reporter: Ondrej Žižka Attachments: formNotFound-navTreeForm.html, log.txt Following exception appears occasionally in WAR tests. Here's only what goes to HTTP output; Relevant log part attached. HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: org.jboss.seam.InstantiationException: Could not instantiate Seam component: org.jboss.seam.exception.exceptions org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:126) org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:70) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517) org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) root cause org.jboss.seam.InstantiationException: Could not instantiate Seam component: org.jboss.seam.exception.exceptions org.jboss.seam.Component.newInstance(Component.java:2096) org.jboss.seam.Component.getInstance(Component.java:1978) org.jboss.seam.Component.getInstance(Component.java:1957) org.jboss.seam.Component.getInstance(Component.java:1951) org.jboss.seam.Component.getInstance(Component.java:1924) org.jboss.seam.Component.getInstance(Component.java:1919) org.jboss.seam.exception.Exceptions.instance(Exceptions.java:256) org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:114) org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:70) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517) org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) root cause java.lang.NullPointerException org.jboss.seam.exception.Exceptions.parse(Exceptions.java:195) org.jboss.seam.exception.Exceptions.initialize(Exceptions.java:119) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.jboss.seam.util.Reflections.invoke(Reflections.java:22) org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:138) org.jboss.seam.Component.callComponentMethod(Component.java:2201) org.jboss.seam.Component.callCreateMethod(Component.java:2124) org.jboss.seam.Component.newInstance(Component.java:2084) org.jboss.seam.Component.getInstance(Component.java:1978) org.jboss.seam.Component.getInstance(Component.java:1957) org.jboss.seam.Component.getInstance(Component.java:1951) org.jboss.seam.Component.getInstance(Component.java:1924) org.jboss.seam.Component.getInstance(Component.java:1919) org.jboss.seam.exception.Exceptions.instance(Exceptions.java:256) org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:114) org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:70) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517) org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) note The full stack trace of the root cause is available in the JBoss Web/2.1.2.GA logs. 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