Should I have done? What is the expected result? 1) If no such param is specified. 2) If the param is specified.
And what value would you recommend? Thanks. Miles > -----Original Message----- > From: Erik Weber [mailto:[EMAIL PROTECTED] > Sent: 12 November 2004 16:28 > To: Struts Users Mailing List > Subject: Re: STRUTS Application still appears viable even > though ActionServlet has failed to initialize. > > Have you specified the load-on-startup attribute for the > controller Servlet in web.xml? > > Erik > > > Daffin, Miles (Company IT) wrote: > > >Hi, > > > >Can anyone tell me if this is a bug? > > > >I have a struts 1.1 app with a typical default index.jsp > redirecting to > >the entry point action: > > > ><logic:redirect forward="/startForm3"/> > > > >This was failing to because of the following NPE: > > > >--- > >java.lang.NullPointerException > > at > >org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:521) > > at > >org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:436) > > at > >org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:396) > > at > >org.apache.struts.taglib.logic.RedirectTag.doEndTag(RedirectT > ag.java:29 > >4 > >) > >--- > > > >I can see from a quick google that this is a frequently experienced > >problem and yet I have not seen a satisfactory solution. > > > >If we look into the RequestUtils code we find that the > problem is that > >the ModuleConfig cannot be found on either the request or in the > >application context. When the forward config for the string > in the jsp > >is looked up we therfore get the NPE. > > > >If we look into the container logs we find the root cause: the > >ActionServlet failed to load: > > > >--- > >javax.servlet.ServletException: Error instantiating servlet class > >org.apache.struts.action.ActionServlet > > at > >org.apache.catalina.core.StandardWrapper.loadServlet(Standard > Wrapper.ja > >v > >a:986) > > ... > >----- Root Cause ----- > >java.lang.NoClassDefFoundError: javax/sql/DataSource at > >java.lang.ClassLoader.defineClass0(Native Method) > >--- > > > >One assumes that the ActionServlet did not load the > ModuleConfig, and > >that the application is *not* therefore really viable - although it > >seems to think it is... > > > >So. My question is: is this a struts bug? Should the application be > >attempting to service requests if its central component > failed to boot > >correctly? > > > >The side effects this causes are hard to diagnose and I > suggest that it > >would be better if, in situations like this, all further > requests were > >responded to with an Error 500 and the stacktrace for the original > >problem. > > > >My apologies if this is one of a thousand emails on the same > subject. I > >searched the archive prior to writing this. > > > >-Miles > > > >Miles Daffin > >Morgan Stanley > >20 Cabot Square | Canary Wharf | London E14 4QA | UK > >Tel: +44 (0) 20 767 75119 > >[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > >-------------------------------------------------------- > > > >NOTICE: If received in error, please destroy and notify > sender. Sender does not waive confidentiality or privilege, > and use is prohibited. > > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -------------------------------------------------------- NOTICE: If received in error, please destroy and notify sender. Sender does not waive confidentiality or privilege, and use is prohibited. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
