[ http://jira.jboss.com/jira/browse/JBAS-3799?page=all ] Melinda Savoy updated JBAS-3799: -------------------------------- Description: Our dev team just installed Eclipse 3.2 and JBoss 4.0.5.GA on our local Window XP machines. When selecting a JSP page from within the Eclipse 3.2 IDE and then I right-click to "run on server" I am getting the following error: HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.NullPointerException org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620) java.lang.ClassLoader.loadClass(Unknown Source) org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464) org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405) java.lang.ClassLoader.loadClass(Unknown Source) java.lang.ClassLoader.loadClassInternal(Unknown Source) org.acegisecurity.ui.ntlm.NtlmProcessingFilter.onPreAuthentication(NtlmProcessingFilter.java:344) org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:200) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:191) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148) org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:90) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs. It appears(?) that the issue is that Eclipse will rebuild and redeploy the EAR to JBoss while at the same time opening up IE and trying to load the JSP. JBoss eventually will see the new EAR and it has to go through a process of unloading the current EAR from memory and then reloading the new EAR. The error I see is happening when JBoss unloads the current EAR from memory as far as I can tell. was: Our dev team just installed Eclipse 3.2 and JBoss 4.0.5.GA on our local Window XP machines. When trying to run on server a JSP page from within the Eclipse 3.2 IDE I am getting the following error: HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.NullPointerException org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java:620) java.lang.ClassLoader.loadClass(Unknown Source) org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:464) org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:405) java.lang.ClassLoader.loadClass(Unknown Source) java.lang.ClassLoader.loadClassInternal(Unknown Source) org.acegisecurity.ui.ntlm.NtlmProcessingFilter.onPreAuthentication(NtlmProcessingFilter.java:344) org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:200) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:191) org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148) org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:90) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs. It appears(?) that the issue is that Eclipse will rebuild and redeploy the EAR to JBoss while at the same time opening up IE and trying to load the JSP. JBoss eventually will see the new EAR and it has to go through a process of unloading the current EAR from memory and then reloading the new EAR. The error I see is happening when JBoss unloads the current EAR from memory as far as I can tell. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira