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Posted to user@commons.apache.org by Jonathan Su <no...@gmail.com> on 2009/05/08 09:15:36 UTC
Re: [Commons Configuration] Saving a CombinedConfiguration with
ViewNodes
Hi Ralph,
Thanks for the fast response! I just checked out the trunk and built the
jar, and it is indeed now saving the file successfully. Do you know of any
possible workarounds with version 1.6 release?
Thanks again,
Jonathan
On Thu, May 7, 2009 at 7:14 PM, Ralph Goers <ra...@dslextreme.com>wrote:
> Actually, I take it back. I think I already fixed this. Can you check out
> trunk and see if you still have the same problem?
>
> Ralph
>
> On May 7, 2009, at 5:00 PM, Jonathan Su wrote:
>
> Hi,
>>
>> I am using the CombinedConfiguration class to combine two
>> XMLConfigurations
>> and trying to save the result as xml. My code is as follows:
>>
>> CombinedConfiguration cc = new CombinedConfiguration(new
>> OverrideCombiner());
>> cc.addConfiguration(firstXMLConfig);
>> cc.addConfiguration(secondXMLConfig);
>> combinedConfig = new XMLConfiguration(cc);
>> combinedConfig.save("path/to/file.xml");
>>
>> When I try to do the save operation however, I am getting the following
>> exception:
>>
>> Caused by: java.lang.ClassCastException:
>> org.apache.commons.configuration.tree.ViewNode cannot be cast to
>> org.apache.commons.configuration.HierarchicalConfiguration$Node
>> at
>>
>> org.apache.commons.configuration.HierarchicalConfiguration$BuilderVisitor.visitBeforeChildren(HierarchicalConfiguration.java:1624)
>> at
>>
>> org.apache.commons.configuration.HierarchicalConfiguration$Node.visit(HierarchicalConfiguration.java:1329)
>> at
>>
>> org.apache.commons.configuration.XMLConfiguration$XMLBuilderVisitor.processDocument(XMLConfiguration.java:1321)
>> at
>>
>> org.apache.commons.configuration.XMLConfiguration.createDocument(XMLConfiguration.java:759)
>> at
>>
>> org.apache.commons.configuration.XMLConfiguration.save(XMLConfiguration.java:878)
>> at
>>
>> org.apache.commons.configuration.AbstractHierarchicalFileConfiguration$FileConfigurationDelegate.save(AbstractHierarchicalFileConfiguration.java:454)
>> at
>>
>> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:546)
>> at
>>
>> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:513)
>> at
>>
>> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:491)
>> at
>>
>> org.apache.commons.configuration.AbstractFileConfiguration.save(AbstractFileConfiguration.java:403)
>> ... 26 more
>>
>> It looks like ViewNode is created when firstXMLConfig and secondXMLConfig
>> have a node with the same key in the combine process. Is there a way to
>> convert all ViewNodes into HierarchicalConfiguration.Node? Or am I using
>> this incorrectly?
>>
>> Thanks,
>> Jonathan
>>
>
>
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Re: [Commons Configuration] Saving a CombinedConfiguration with ViewNodes
Posted by Ralph Goers <ra...@dslextreme.com>.
No. You would have to look at how HierarchicalConfiguration differs
and create a patch. IIRC the problems were confined to that one class.
Ralph
On May 8, 2009, at 12:15 AM, Jonathan Su wrote:
> Hi Ralph,
>
> Thanks for the fast response! I just checked out the trunk and built
> the
> jar, and it is indeed now saving the file successfully. Do you know
> of any
> possible workarounds with version 1.6 release?
>
> Thanks again,
> Jonathan
>
> On Thu, May 7, 2009 at 7:14 PM, Ralph Goers <ralph.goers@dslextreme.com
> >wrote:
>
>> Actually, I take it back. I think I already fixed this. Can you
>> check out
>> trunk and see if you still have the same problem?
>>
>> Ralph
>>
>> On May 7, 2009, at 5:00 PM, Jonathan Su wrote:
>>
>> Hi,
>>>
>>> I am using the CombinedConfiguration class to combine two
>>> XMLConfigurations
>>> and trying to save the result as xml. My code is as follows:
>>>
>>> CombinedConfiguration cc = new
>>> CombinedConfiguration(new
>>> OverrideCombiner());
>>> cc.addConfiguration(firstXMLConfig);
>>> cc.addConfiguration(secondXMLConfig);
>>> combinedConfig = new XMLConfiguration(cc);
>>> combinedConfig.save("path/to/file.xml");
>>>
>>> When I try to do the save operation however, I am getting the
>>> following
>>> exception:
>>>
>>> Caused by: java.lang.ClassCastException:
>>> org.apache.commons.configuration.tree.ViewNode cannot be cast to
>>> org.apache.commons.configuration.HierarchicalConfiguration$Node
>>> at
>>>
>>> org.apache.commons.configuration.HierarchicalConfiguration
>>> $BuilderVisitor.visitBeforeChildren(HierarchicalConfiguration.java:
>>> 1624)
>>> at
>>>
>>> org.apache.commons.configuration.HierarchicalConfiguration
>>> $Node.visit(HierarchicalConfiguration.java:1329)
>>> at
>>>
>>> org.apache.commons.configuration.XMLConfiguration
>>> $XMLBuilderVisitor.processDocument(XMLConfiguration.java:1321)
>>> at
>>>
>>> org
>>> .apache
>>> .commons
>>> .configuration
>>> .XMLConfiguration.createDocument(XMLConfiguration.java:759)
>>> at
>>>
>>> org
>>> .apache
>>> .commons.configuration.XMLConfiguration.save(XMLConfiguration.java:
>>> 878)
>>> at
>>>
>>> org
>>> .apache.commons.configuration.AbstractHierarchicalFileConfiguration
>>> $
>>> FileConfigurationDelegate
>>> .save(AbstractHierarchicalFileConfiguration.java:454)
>>> at
>>>
>>> org
>>> .apache
>>> .commons
>>> .configuration
>>> .AbstractFileConfiguration.save(AbstractFileConfiguration.java:546)
>>> at
>>>
>>> org
>>> .apache
>>> .commons
>>> .configuration
>>> .AbstractFileConfiguration.save(AbstractFileConfiguration.java:513)
>>> at
>>>
>>> org
>>> .apache
>>> .commons
>>> .configuration
>>> .AbstractFileConfiguration.save(AbstractFileConfiguration.java:491)
>>> at
>>>
>>> org
>>> .apache
>>> .commons
>>> .configuration
>>> .AbstractFileConfiguration.save(AbstractFileConfiguration.java:403)
>>> ... 26 more
>>>
>>> It looks like ViewNode is created when firstXMLConfig and
>>> secondXMLConfig
>>> have a node with the same key in the combine process. Is there a
>>> way to
>>> convert all ViewNodes into HierarchicalConfiguration.Node? Or am I
>>> using
>>> this incorrectly?
>>>
>>> Thanks,
>>> Jonathan
>>>
>>
>>
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>> To unsubscribe, e-mail: user-unsubscribe@commons.apache.org
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>>
>>
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