Im trying to make use of my own subclass of ActionForward (or subclass of
ForwardingActionForward to be precise).
Ive set the type in the <global-forwards> appropriately:
<global-forwards type="com.unist.plot.EvilActionForward">
That seems to work ok. (Ive not actually tested that its really
instantiating the subclass for the global forwards yet, just taking it on
faith!) At this stage the EvilActionForward doesnt implement any methods of
its own, its just extending
org.apache.struts.action.ForwardingActionForward.
I need to use this class in the local action forwards. Im assuming that
these won't automatically pick up the type I set for the global-forwards. Is
this the case?
Ive tried setting the className attribute but I get a nasty stacktrace when
the ActionServlet tries to parse struts-config.xml
<action path="/loginAction" type="com.unist.plot.QuoVadis" name="loginForm"
scope="request" validate="false">
<forward name="manager-success" path="/diabolicalPlanOfTheWeek.do"
className="com.unist.plot.EvilActionForward"/>
<forward name="engineer-success"
path="/workSchedule.do?projectId=giantRobotSpaceLaser"
className="com.unist.plot.EvilActionForward"/>
<forward name="janitor-success"
path="/cageCleaningSchedule.do?projectId=clonedCarnivorousSheep"
className="com.unist.plot.EvilActionForward"/>
<forward name="developer-success"
path="/workSchedule.do?projectId=windows"
className="com.unist.plot.EvilActionForward"/>
<forward name="failure" path="/personaNonGrata.do"/>
</action>
However it doesnt seem to like the 'className' attribute in the forwards one
little bit. (Removing that attribute makes everything work of course). The
stack trace that Im getting is pasted below.
Any idea what Im doing wrong?
[2003-09-03 12:32:57,860] [ERROR:Digester] [main] End event threw exception
java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.xerces.parsers.SAXParser.endElement(SAXParser.java:1403)
at
org.apache.xerces.validators.common.XMLValidator.callEndElement(XMLValidator
.java:1480)
at
org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanne
r.java:1809)
at
org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XM
LDocumentScanner.java:1182)
at
org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.
java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1081)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at
org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.j
ava:1006)
at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:9
55)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:91
6)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:808)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3266)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3395)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:454)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:714)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:324)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:389)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:232)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor
t.java:155)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:614)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
at org.apache.catalina.core.StandardService.start(StandardService.java:388)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
[2003-09-03 12:32:57,920] [ERROR:ActionServlet] [main] Parsing error
processing resource path
java.lang.IllegalArgumentException: argument type mismatch
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:2540)
at
org.apache.commons.digester.Digester.createSAXException(Digester.java:2566)
at org.apache.commons.digester.Digester.endElement(Digester.java:1061)
at org.apache.xerces.parsers.SAXParser.endElement(SAXParser.java:1403)
at
org.apache.xerces.validators.common.XMLValidator.callEndElement(XMLValidator
.java:1480)
at
org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanne
r.java:1809)
at
org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XM
LDocumentScanner.java:1182)
at
org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.
java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1081)
at org.apache.commons.digester.Digester.parse(Digester.java:1548)
at
org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.j
ava:1006)
at
org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:9
55)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:258)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:91
6)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:808)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3266)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3395)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:454)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:714)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:324)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:389)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:232)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor
t.java:155)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:614)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
at org.apache.catalina.core.StandardService.start(StandardService.java:388)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
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