Hi Antony,
Are you using Sun's JDK 1.4 beta.. I got the same 'object is not an
instance of declaring class' - error when I used JDK 1.4.
Try switching to 1.3
/tuomo
[EMAIL PROTECTED] wrote:
> Here is the part of the debug log which shows the error
>
> -------------------start tomcat log------------------------------
> [snip]
> resolveEntity('-//Apache Software Foundation//DTD Struts Configuration
> 1.0//EN', 'http://jakarta.apache.org/struts/dtds/struts-config_1_0.dtd')
> Resolving to alternate DTD
>
>'jar:file:/var/tomcat4/webapps/sturdy/WEB-INF/lib/struts.jar!/org/apache/struts/resources/struts-config_1_0.dtd'
>
>
> New org.apache.struts.action.ActionFormBean
> Set org.apache.struts.action.ActionFormBean properties
> Begin event threw exception
> java.lang.IllegalArgumentException: object is not an instance of
> declaring class
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:42)
>
> at
>
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:28)
>
> at java.lang.reflect.Method.invoke(Method.java:327)
> at
> org.apache.struts.util.PropertyUtils.setSimpleProperty(PropertyUtils.java:988)
>
> at
> org.apache.struts.util.PropertyUtils.setNestedProperty(PropertyUtils.java:904)
>
> at
> org.apache.struts.util.PropertyUtils.setProperty(PropertyUtils.java:932)
> at org.apache.struts.util.BeanUtils.populate(BeanUtils.java:509)
> at
> org.apache.struts.digester.SetPropertiesRule.begin(SetPropertiesRule.java:120)
>
> at org.apache.struts.digester.Digester.startElement(Digester.java:528)
> at
> org.xml.sax.helpers.XMLReaderAdapter.startElement(XMLReaderAdapter.java:329)
>
> at
> org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1376)
> at
>
>org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLValidator.java:1214)
>
>
> at
>
>org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanner.java:1806)
>
>
> at
>
>org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XMLDocumentScanner.java:1182)
>
>
> at
>
>org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
>
> at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1081)
> at
> org.xml.sax.helpers.XMLReaderAdapter.parse(XMLReaderAdapter.java:223)
> at javax.xml.parsers.SAXParser.parse(SAXParser.java:316)
> at javax.xml.parsers.SAXParser.parse(SAXParser.java:91)
> at org.apache.struts.digester.Digester.parse(Digester.java:755)
> at
> org.apache.struts.action.ActionServlet.initMapping(ActionServlet.java:1331)
> at org.apache.struts.action.ActionServlet.init(ActionServlet.java:465)
> at javax.servlet.GenericServlet.init(GenericServlet.java)
> at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java)
> at
> org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java)
>
> at org.apache.catalina.core.StandardContext.start(StandardContext.java)
> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java)
> at org.apache.catalina.core.StandardHost.install(StandardHost.java)
> at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java)
> at org.apache.catalina.startup.HostConfig.start(HostConfig.java)
> at
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java)
> at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java)
>
> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java)
> at org.apache.catalina.core.StandardHost.start(StandardHost.java)
> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java)
> at org.apache.catalina.core.StandardEngine.start(StandardEngine.java)
> at org.apache.catalina.core.StandardService.start(StandardService.java)
> at org.apache.catalina.core.StandardServer.start(StandardServer.java)
> at org.apache.catalina.startup.Catalina.start(Catalina.java)
> at org.apache.catalina.startup.Catalina.execute(Catalina.java)
> at org.apache.catalina.startup.Catalina.process(Catalina.java)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:42)
>
> at
>
>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:28)
>
> at java.lang.reflect.Method.invoke(Method.java:327)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java)
> Starting service Tomcat-Apache
> Apache Tomcat/4.0.1
> ---------------------end tomcat log----------------------
>
>
>
>
> Jeff Martin wrote:
>
>> What kind of error do you mean? Does it parse and validate against the
>> provided DTD?
>>
>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
>> Sent: Wednesday, December 19, 2001 2:14 AM
>> To: Struts Users Mailing List
>> Subject: struts-config.xml-Is there a tool to find errors in it?
>>
>>
>> Hi
>>
>> I have an error with my struts-config.xml file and I cannot find where
>> the error is. Is there a tool which will help me track down where the
>> error is, the messages in the tomcat log files are not very helpful in
>> tracking down the error.
>>
>> Cheers
>>
>> Tony
>>
>>
>>
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>>
>
>
>
>
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