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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=12242 ActionServlet fails to find struts-config.xml Summary: ActionServlet fails to find struts-config.xml Product: Struts Version: 1.1 Beta 2 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Critical Priority: Other Component: Controller AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] Running Tomcat 4.0.1, JDK 1.3.1, all required .jar files. The application in question is called "strutstest". In the WEB-INF directory under this application's home directory is the web.xml and the struts-config.xml file. When the application is run, the following messages are generated: [INFO] PropertyMessageResources - -Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true [INFO] PropertyMessageResources - -Initializing, config='org.apache.struts.action.ActionResources', returnNull=true java.lang.NullPointerException at strutstest.Trace.initApplicationConfig(Trace.java:85) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:455) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:852) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3267 ) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3384) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:612) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307) at org.apache.catalina.core.StandardService.start(StandardService.java:388) at org.apache.catalina.core.StandardServer.start(StandardServer.java:505) at org.apache.catalina.startup.Catalina.start(Catalina.java:776) at org.apache.catalina.startup.Catalina.execute(Catalina.java:681) at org.apache.catalina.startup.Catalina.process(Catalina.java:179) at java.lang.reflect.Method.invoke(Native Method) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243) [ERROR] ActionServlet - -Parsing error processing resource path /WEB-INF/struts-config.xml <java.lang.NullPointerException> StandardWrapper[:action]: Marking servlet action as unavailable StandardContext[]: Servlet threw load() exception: javax.servlet.UnavailableException: Parsing error processing resource path /WEB-INF/struts-config.xml javax.servlet.UnavailableException: Parsing error processing resource path /WEB-INF/struts-config.xml at strutstest.Trace.initApplicationConfig(Trace.java:94) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:455) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:852) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3267 ) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3384) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:612) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307) at org.apache.catalina.core.StandardService.start(StandardService.java:388) at org.apache.catalina.core.StandardServer.start(StandardServer.java:505) at org.apache.catalina.startup.Catalina.start(Catalina.java:776) at org.apache.catalina.startup.Catalina.execute(Catalina.java:681) at org.apache.catalina.startup.Catalina.process(Catalina.java:179) at java.lang.reflect.Method.invoke(Native Method) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243) I have done some debugging of the ActionServlet class to determine what the problem is. Apparently, in your method initApplicationConfig(), you perform the following operations: . . . URL url = getServletContext().getResource(path); InputSource is = new InputSource(url.toExternalForm()); . . . Apparently, you are attempting to get a "resource" called "/WEB-INF/struts-config.xml" (the value of the "path" argument)-- a perfectly logical and reasonable way to open the xml file. Unfortunately, despite the fact that the xml file is in the appropriate directory, and despite the fact that web.xml properly points to that file as specified in your documentation (as the snippet below shows), . . . <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/Web-inf/struts-config.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> . . . for some reason your call to getServletContext().getResource(path) returns a null. This is the cause of the nullPointerException that is in turn causing the failure to properly read the struts-config.xml file. There is no way that a Struts application can work under these circumstances. Duplicating this problem is not difficult, but you will need my JSP, ActionForm, Action, and config files (including web.xml and struts-config.xml). Since your bug system does not allow attachment of files, please feel free to contact me if you desire these files. Please feel free to contact me if you need any further information about this problem. I will post follow- ups to this report if I learn anything new concerning it. -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
