Re: [jetty-discuss] Running Jetty offline - schema_reference errors.

[Jan B. <ja...@mo...>]

Leif,

The necessary schema files are bundled into the javax.servlet.jar that
is produced in $JETTY_HOME/lib. That jar must be on the classpath for
the schema files to be found, otherwise the schema parser will try the
net to download them.


Jan

Leif Mortenson wrote:
> I have always used Jetty embedded within other applications. Recently,
> I have been attempting to upgrade to the latest CVS code and have been
> running into problems when attempting to run on an off line computer.
> 
> The WebApplicationContext class now defines a defaultsDescriptor,
> org/mortbay/jetty/servlet/webdefault.xml which contains references
> to online files:
> 
> <web-app
> xmlns="http://java.sun.com/xml/ns/j2ee"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
> http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
> version="2.4">
> 
> When I run my application on line, the application starts up very slowly but
> it will start. When I run off line however, I get a large number of errors
> caused by the inability to locate
> http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd
> I assume that is what is slowing down the startup while connected as well.
> 
> WARNING@jar:file:/<path>/lib/jetty-20031015.jar!/org/mortbay/jetty/servlet/webdefault.xml
> line:26 col:18 : org.xml.sax.SAXParseException: schema_reference.4:
> Failed to read schema document
> 'http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd', because 1) could not
> find the document; 2) the document could not be read; 3) the root
> element of the document is not <xsd:schema>.
> 
> I have been able to work around this by overriding the webdefault.xml
> with a file that does not specify the schema location etc. But that is
> not ideal.
> 
> I notice that when I run Jetty using the normal startup method, by just
> running "java -jar start.jar", Jetty not only start up quickly but has no
> problems with being off line.
> 
> I have spent quite a bit of time trying to figure out what the start/Main
> class is doing to disable the validation(?) that is leading to my problems
> but have thus far not been able to figure it out. Any advice would be
> greatly appreciated.
> 
> I noticed the org.mortbay.xml.XmlParser.NotValidating property, but
> setting that to true does not seem to have any effect.
> 
> Thank you in advance,
> Leif
> 
> 
> 
> 
> 
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