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

[thowe <th...@sr...>]

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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