> Agreed - but I shouldn't have to. Let's say, for example, that my ISP uses
> Tomcat 'out of the box' and I install an application that uses Xerces, I
> wouldn't expect (or want) the ISP to replace crimon/jaxp with
> Xerces. I want
> the application to work as-is, and the way Tomcat configures classpaths,
> that should be the case. If it doesn't it's either a bug in
> Tomcat, or a bug
> in my application (in this case struts-example),
And it looks like a Tomcat bug - I'm now seeing the same issue in my app
that wasn't there under TC4 beta 6!
Kevin Jones
Developmentor
www.develop.com
> -----Original Message-----
> From: Kevin Jones [mailto:[EMAIL PROTECTED]]
> Sent: 24 September 2001 15:41
> To: [EMAIL PROTECTED]
> Subject: RE: Struts and XML
>
>
> > It's not a Struts issue, just conflicts between parser versions.
>
> Why? If I have Xerces in the struts directory then Struts should pick that
> up ahead of Crimson in the common/lib directory. Assuming Struts is using
> JAXP then there should be no dependency on the parser class names
> at all. I
> have other applications that use Xerces and I haven't needed to touch the
> common/lib directory xerces.jar lives in WEB-INF/lib, alongside
> crimson.jar
> and jaxp.jar in common/lib and the application works fine.
>
> I've been down this path of classloader problems before on Tomcat (with
> Craig) and, until I installed Struts everything was working.
>
> > The configuration mentioned is a documentated alternative for Tomcat.
> > Many applications need Xerces available this way.
>
> Agreed - but I shouldn't have to. Let's say, for example, that my ISP uses
> Tomcat 'out of the box' and I install an application that uses Xerces, I
> wouldn't expect (or want) the ISP to replace crimon/jaxp with
> Xerces. I want
> the application to work as-is, and the way Tomcat configures classpaths,
> that should be the case. If it doesn't it's either a bug in
> Tomcat, or a bug
> in my application (in this case struts-example),
>
> Kevin Jones
> Developmentor
> www.develop.com
>
> > -----Original Message-----
> > From: Ted Husted [mailto:[EMAIL PROTECTED]]
> > Sent: 24 September 2001 13:22
> > To: [EMAIL PROTECTED]
> > Subject: Re: Struts and XML
> >
> >
> > It's not a Struts issue, just conflicts between parser versions.
> >
> > The configuration mentioned is a documentated alternative for Tomcat.
> > Many applications need Xerces available this way.
> >
> > Kevin Jones wrote:
> > >
> > > OK I'll try it, but is this a bug in Struts?
> > >
> > > I don't really want to, nor should I have to, change the
> > 'standard' Tomcat
> > > install.
> > >
> > > BTW, I have no global classpath, and there's *no way* I'm
> > putting Xerces in
> > > lib/ext folder!
> > >
> > > Kevin Jones
> > > Developmentor
> > > www.develop.com
> > >
> > > > -----Original Message-----
> > > > From: Ted Husted [mailto:[EMAIL PROTECTED]]
> > > > Sent: 23 September 2001 14:27
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: Struts and XML
> > > >
> > > >
> > > > Try it with xerces in the Tomcat commons/lib folder, and
> nohting extra
> > > > in the WEB-INF/lib.
> > > >
> > > > Be sure other parsers, or copies of Xerces, is being made avaiable
> > > > through the CLASSPATH or the lib/ext folder under JAVA_HOME.
> > > >
> > > > -- Ted Husted, Husted dot Com, Fairport NY USA.
> > > > -- Custom Software ~ Technical Services.
> > > > -- Tel +1 716 737-3463
> > > > -- http://www.husted.com/about/struts/
> > > >
> > > >
> > > > Kevin Jones wrote:
> > > > >
> > > > > I've just downloaded struts (the binary version) and am trying
> > > > to get the
> > > > > struts-example to run. After reading the install guide my
> > > > understanding is
> > > > > that struts should work with any XML parser. If I run the
> > example with
> > > > > jaxp.jar and crimson.jar in WEB-INF/lib it loads OK. But, if I
> > > > replace those
> > > > > jars with xerces.jar (verison 1.4.1) I get the following
> exception.
> > > > >
> > > > > This is TC4 release BTW
> > > > >
> > > > > It seems like there is a dependency on crimson (judging by the
> > > > class name).
> > > > > Does the binary version only work with crimson or is there a
> > > > config option
> > > > > somewhere?
> > > > >
> > > > > java.lang.ClassCastException:
> > > > org.apache.crimson.jaxp.SAXParserFactoryImpl
> > > > > at
> > > > >
> > > >
> >
> javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:155)
> > > > > at
> > > > org.apache.struts.digester.Digester.getParser(Digester.java:275)
> > > > > at
> > org.apache.struts.digester.Digester.parse(Digester.java:755)
> > > > > at
> > > > >
> > > > org.apache.struts.action.ActionServlet.initMapping(ActionServlet.j
> > > > ava:1331)
> > > > > at
> > > > >
> org.apache.struts.action.ActionServlet.init(ActionServlet.java:465)
> > > > > at
> > javax.servlet.GenericServlet.init(GenericServlet.java:258)
> > > > > at
> > org.apache.catalina.core.StandardWrapper.load(Unknown Source)
> > > > > at
> > > > org.apache.catalina.core.StandardContext.loadOnStartup(Unknown
> > > > > Source)
> > > > > at
> > > > org.apache.catalina.core.StandardContext.start(Unknown Source)
> > > > > at
> > > > org.apache.catalina.core.ContainerBase.addChild(Unknown Source)
> > > > > at
> > > > org.apache.catalina.core.StandardHost.addChild(Unknown Source)
> > > > > at
> > org.apache.catalina.core.StandardHost.install(Unknown Source)
> > > > > at
> > > > org.apache.catalina.startup.HostConfig.deployApps(Unknown Source)
> > > > > at
> > org.apache.catalina.startup.HostConfig.start(Unknown Source)
> > > > > at
> > org.apache.catalina.startup.HostConfig.lifecycleEvent(Unknown
> > > > > Source)
> > > > > at
> > > > >
> > > > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Unkno
> > > > wn Source)
> > > > > at
> > org.apache.catalina.core.ContainerBase.start(Unknown Source)
> > > > > at
> > org.apache.catalina.core.ContainerBase.start(Unknown Source)
> > > > > at
> > org.apache.catalina.core.StandardEngine.start(Unknown Source)
> > > > > at
> > > > org.apache.catalina.core.StandardService.start(Unknown Source)
> > > > > at
> > org.apache.catalina.core.StandardServer.start(Unknown Source)
> > > > > at
> > org.apache.catalina.startup.Catalina.start(Unknown Source)
> > > > > at
> > org.apache.catalina.startup.Catalina.execute(Unknown Source)
> > > > > at
> > org.apache.catalina.startup.Catalina.process(Unknown Source)
> > > > > at java.lang.reflect.Method.invoke(Native Method)
> > > > > at
> > org.apache.catalina.startup.Bootstrap.main(Unknown Source)
> > > > >
> > > > > Kevin Jones
> > > > > Developmentor
> > > > > www.develop.com
>
