hi brad
i think that this is a bug which has been fixed since the release.
could you try upgrading to the latest build and see if it fixes your
problem?
- robert
On Tuesday, July 9, 2002, at 04:46 PM, Brad Jones wrote:
>
> Robert,
>
> Thank you for the suggestion I tried to implement your suggestion and am
> encountering the following NullPointerException:
>
> java.lang.NullPointerException
> at
> org.apache.commons.digester.CallMethodRule.<init>(CallMethodRule.java:229)
> at
> org.apache.commons.digester.Digester.addCallMethod(Digester.java:1480)
> at
> com.ibm.us.force.xml.DigesterHelperOLD.main(DigesterHelperOLD.java:21)
> Exception in thread "main"
>
> I create a String array of the types for the put method in the hashtable
> per your suggestion:
>
> String types[] = {"java.lang.Object", "java.lang.Object"};
>
> I then passed the types String array to the addCallMethod per your
> suggestion:
>
> digester.addCallMethod("toplevel/element", "put", 2, types);
>
> when the addCallMethod is executed I'm getting the NullPointerException
> that I included above. The types String array is populated, the digester
> is not null, Any ideas???
>
> Thanks for your help,
>
> Brad
>
>> From: robert burrell donkin <[EMAIL PROTECTED]>
>> Reply-To: "Jakarta Commons Users List" <[EMAIL PROTECTED]>
>> To: "Jakarta Commons Users List" <[EMAIL PROTECTED]>
>> Subject: Re: [digester] Re: Rules for parsing to a Hashtable
>> Date: Mon, 8 Jul 2002 23:15:55 +0100
>>
>> hi brad
>>
>> i think i have an idea what's going on.
>>
>> CallMethodRule uses only exact matching and so you might need to specify
>> the exact types before digester will find the method.
>>
>> try specifying the classes that 'put' takes, something like
>>
>> String types = {"java.lang.Object","java.lang.Object"};
>> digester.addCallMethod("toplevel/element", "put", 2, types);
>>
>> and see if it starts working.
>>
>> - robert
>>
>> On Monday, July 8, 2002, at 10:48 PM, Brad Jones wrote:
>>
>>> Robert here's the stack trace you asked for:
>>>
>>> java.lang.NoSuchMethodException: No such accessible method: put() on
>>> object: java.util.Hashtable
>>> at
>>> org.apache.commons.beanutils.MethodUtils.invokeExactMethod(MethodUtils.
>>> java:
>>> 322)
>>> at
>>> org.apache.commons.digester.CallMethodRule.end(CallMethodRule.java:421)
>>> at
>>> org.apache.commons.digester.Digester.endElement(Digester.java:830)
>>> 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$ContentDispatcher.dispatch(
>>> XMLDocumentScanner.java:1204)
>>> 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:1302)
>>> at
>>> com.ibm.us.force.xml.DigesterHelperOLD.main(DigesterHelperOLD.java:30)
>>> [ERROR] Digester - -End event threw exception
>>> <java.lang.NoSuchMethodException: No such accessible method: put() on
>>> object: java.util.Hashtable>
>>>
>>> I tried to get the logs for it but I haven't learned how configure the
>>> logging and retrieve the log file. If I need to I'll get that to you
>>> also. Thanks for any suggestions you might have.
>>>
>>> I'm using digester v 1.2
>>>
>>> Brad
>>>
>>>
>>>> From: robert burrell donkin <[EMAIL PROTECTED]>
>>>> Reply-To: "Jakarta Commons Users List" <commons-
>>>> [EMAIL PROTECTED]>
>>>> To: "Jakarta Commons Users List" <[EMAIL PROTECTED]>
>>>> Subject: [digester] Re: Rules for parsing to a Hashtable
>>>> Date: Mon, 8 Jul 2002 21:21:19 +0100
>>>>
>>>> hi brad
>>>>
>>>> i've given your code a whirl but i don't seem to have a problem.
>>>>
>>>> what version of digester are you using?
>>>>
>>>> BTW i would be useful if you could prefix your question with the
>>>> component name next time. (there are a lot of components in commons
>>>> and the prefix makes it easier for the right people to answer the
>>>> right questions.)
>>>>
>>>> - robert
>>>>
>>>> On Monday, July 8, 2002, at 08:04 PM, Brad Jones wrote:
>>>>
>>>>>
>>>>>
>>>>> I'm currently trying to parse objects from an XML file to a
>>>>> hashtable. I'
>>>>> m calling the put from the hashtable in my rule and passing 2
>>>>> parameters one that represents the key and the other that represents
>>>>> the value. For some reason I'm getting a SAXException saying that
>>>>> the put method does not exist on hashtable. Here's the code I'm
>>>>> working with currently. Any suggestions would be greatly
>>>>> appreciated:
>>>>>
>>>>> java.io.FileInputStream fileInputStream = null;
>>>>> Digester digester = new Digester();
>>>>>
>>>>> Hashtable ht = new Hashtable();
>>>>>
>>>>> digester.push(ht);
>>>>> digester.setValidating(false);
>>>>>
>>>>>
>>>>> //Sets filed 1 as the key and field 2 as the value
>>>>> digester.addCallMethod("toplevel/element", "put", 2);
>>>>> digester.addCallParam("toplevel/element/field1", 0, "field1");
>>>>> digester.addCallParam("toplevel/element/field2", 1, "field2");
>>>>>
>>>>> try {
>>>>> fileInputStream = new java.io.FileInputStream("C:/test.xml");
>>>>> } catch (java.io.FileNotFoundException fnfe) {
>>>>> }
>>>>>
>>>>> try {
>>>>> Object data = digester.parse(fileInputStream);
>>>>> fileInputStream.close();
>>>>>
>>>>> } catch (org.xml.sax.SAXException se) {
>>>>> System.out.println(se.getMessage());
>>>>> } catch (java.io.IOException ie) {
>>>>> }
>>>>>
>>>>> Here's the XML file that I'm parsing:
>>>>>
>>>>> <toplevel>
>>>>> <element>
>>>>> <field1>Value 1</field1>
>>>>> <field2>Value 2</field2>
>>>>> </element>
>>>>> <element>
>>>>> <field1>Value 3</field1>
>>>>> <field2>Value 4</field2>
>>>>> </element>
>>>>> </toplevel>
>>>>>
>>>>> Thank you for any sugestions that you can provide...
>>>>>
>>>>> Brad
>>>>>
>>>>>
>>>>>
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