On Thu, 27 Mar 2003, Durham David Cntr 805CSS/SCBE wrote:
> Date: Thu, 27 Mar 2003 16:36:28 -0600
> From: Durham David Cntr 805CSS/SCBE <[EMAIL PROTECTED]>
> Reply-To: Jakarta Commons Users List <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: [digester] SetNextRule and multiple children
>
> Having difficulty adding child objects with Digester.addSetNext()if more than one
> child exists.
>
> Here's the xml file:
>
> <security-constraints>
>
> <action path="/SomeAction">
> <group name="SomeGroup"/>
> <!-- If I comment out this next element, it works fine -->
> <group name="SomeOtherGroup"/>
> </action>
>
> </security-constraints>
>
An InvocationTargetException normally means that the method you told
Digester to call via reflection (here, the add() method on your
ActionConstraint class) threw an exception. Is there anything in your
add() method that might cause this on the second invocation?
Craig
>
> Here's digester code:
> ------------------------------------
> digester.push(securityConstraints); // this object has an
> addConstraint(ActionConstraint) method.
> digester.addObjectCreate("security-constraints/action",
> mil.usaf.rad.dpart.struts.ActionConstraint");
> digester.addSetProperties("security-constraints/action");
> digester.addSetNext("security-constraints/action", "addConstraint",
> "mil.usaf.rad.dpart.struts.ActionConstraint");
>
> digester.addObjectCreate("security-constraints/action/group",
> "mil.usaf.rad.dpart.struts.Group");
> digester.addSetProperties("security-constraints/action/group");
> digester.addSetNext("security-constraints/action/group", "add");
>
> digester.parse("someFile");
> -------------------------------------
>
>
>
> The debug log indicates that after finding the first group it's properties are set
> and it is added to ActionConstraint.
>
> Below is what happens when digester finds the second group element and tries to add
> it to ActionConstraint.
>
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.digester.Digester -
> org.apache.commons.digester.SetNextRule :
> [SetNextRule]{security-constraints/action/group} Call
> mil.usaf.rad.dpart.struts.ActionConstraint.add([EMAIL PROTECTED])
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : Matching name=add on class
> mil.usaf.rad.dpart.struts.ActionConstraint
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : Found matching name:
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : public boolean
> java.util.TreeSet.add(java.lang.Object)
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : Param=mil.usaf.rad.dpart.struts.Group
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : Method=java.lang.Object
> 27-Mar-2003 16:15:27 DEBUG org.apache.commons.beanutils.MethodUtils -
> org.apache.commons.beanutils.MethodUtils : public boolean
> java.util.TreeSet.add(java.lang.Object) accessible version of public boolean
> java.util.TreeSet.add(java.lang.Object)
> 27-Mar-2003 16:15:27 ERROR org.apache.commons.digester.Digester -
> org.apache.commons.digester.Digester : End event threw exception
> java.lang.reflect.InvocationTargetException
> 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:260)
> at org.apache.commons.digester.Rule.end(Rule.java:276)
> at org.apache.commons.digester.Digester.endElement(Digester.java:1064)
> at
> org.apache.xerces.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:585)
> at
> org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:222)
> at
> org.apache.xerces.impl.XMLNamespaceBinder.emptyElement(XMLNamespaceBinder.java:595)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:747)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1477)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:329)
> at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)
> at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)
> at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
> at
> org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1175)
> at org.apache.commons.digester.Digester.parse(Digester.java:1562)
> at mil.usaf.rad.dpart.struts.AppConfig.getSecurityConstraints(Unknown Source)
>
>
>
> Don't want to waste anyone's time but is there something obvious that I'm missing?
>
> Thanks,
>
> Dave
>
>
>
>
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