Re: [Repast-developer] Xerces versions and problems.

[Mark R. D. <mdi...@la...>]

Well, the good news is that using JAXP "frees up" the determination of 
which XML parser to the point that you could easily package a pre 1.4 
"Mac"able version of your packages that has the JAXP and your favorite 
parser included and a "post 1.4" version that finds the JAXP in the J2sdk.

-M.

Nick Collier wrote:

>I agree. The reason we were using Xerces is for pre 1.4. support for the
>Mac. However, I think Tom and I have decided to standardize on 1.4
>
>Nick
>
>On Wed, 2003-06-11 at 09:55, thowe wrote:
>  
>
>>I agree, I like abstracting the parser implementation out like this.  I
>>also like not having to include the xerces jar file.  If there is anyone
>>who is interested in working on this, that would be great.  I'll do it,
>>if not, but I'm not sure when I can get to it.
>>
>>Thanks,
>>Tom
>>
>>On Wed, 2003-06-11 at 08:49, Mark R. Diggory wrote:
>>    
>>
>>>We keep encountering the following problem with RePast and trying to use 
>>>Charts, I've been using a newer version of Xerces, I don't know if this 
>>>is to blame. There appear to be issues with Xerces DTD validation 
>>>feature attempting to resolve external ftp url's for some reason.
>>>
>>>I personally would recommend using the JAXP interface over Xerces 
>>>directly, the default configuration and validation behavior is more 
>>>predictable through the JAXP interface with something like:
>>>
>>>DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
>>>DocumentBuilder docBuilder = factory.newDocumentBuilder();
>>>Document doc = docBuilder.parse(new File(file));
>>>
>>>this frees you from the particular Xerces Implementation too. You can 
>>>rely on the default parser implmentation included with the latest J2SDK 
>>>(which I believe is actually Xerces right now) and not have to provide a 
>>>copy of Xerces directly within your distribution.
>>>
>>>-Mark
>>>
>>>The exception:
>>>         [java] Error loading persistent chart sizes and positions
>>>         [java] java.net.UnknownHostException: C
>>>         [java] 	at java.net.InetAddress.getAllByName0(InetAddress.java:571)
>>>         [java] 	at java.net.InetAddress.getAllByName0(InetAddress.java:540)
>>>         [java] 	at java.net.InetAddress.getByName(InetAddress.java:449)
>>>         [java] 	at java.net.Socket.<init>(Socket.java:100)
>>>         [java] 	at sun.net.NetworkClient.doConnect(NetworkClient.java:50)
>>>         [java] 	at sun.net.NetworkClient.openServer(NetworkClient.java:38)
>>>         [java] 	at sun.net.ftp.FtpClient.openServer(FtpClient.java:267)
>>>         [java] 	at sun.net.ftp.FtpClient.<init>(FtpClient.java:381)
>>>         [java] 	at sun.net.www.protocol.ftp.FtpURLConnection.connect
>>>(FtpURLConnection.java:77)
>>>         [java] 	at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream
>>>(FtpURLConnection.java:96)
>>>         [java] 	at java.net.URL.openStream(URL.java:798)
>>>         [java] 	at 
>>>org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown
>>>Source)
>>>         [java] 	at 
>>>org.apache.xerces.impl.XMLEntityManager.startDocumentEntity
>>>(Unknown Source)
>>>         [java] 	at 
>>>org.apache.xerces.impl.XMLDocumentScannerImpl.setInputSource
>>>(Unknown Source)
>>>         [java] 	at 
>>>org.apache.xerces.parsers.DTDConfiguration.parse(Unknown
>>>Source)
>>>         [java] 	at 
>>>org.apache.xerces.parsers.DTDConfiguration.parse(Unknown
>>>Source)
>>>         [java] 	at org.apache.xerces.parsers.XMLParser.parse(Unknown 
>>>Source)
>>>         [java] 	at org.apache.xerces.parsers.DOMParser.parse(Unknown 
>>>Source)
>>>         [java] 	at uchicago.src.sim.analysis.ChartArchiver.loadXML
>>>(ChartArchiver.java:77)
>>>         [java] 	at uchicago.src.sim.analysis.ChartArchiver.loadCharts
>>>(ChartArchiver.java:67)
>>>         [java] 	at uchicago.src.sim.engine.AbstractGUIController.setModel
>>>(AbstractGUIController.java:165)
>>>         [java] 	at uchicago.src.sim.engine.Controller.setModel
>>>(Controller.java:146)
>>>
>>>
>>>
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>>
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>>