With Jody’s PR, Eclipse starts up fine for me.
So the larger issue is that web-app_2_3.dtd is no longer available online.
···
On Fri, Aug 5, 2016 at 9:02 AM, Torben Barsballe <tbarsballe@anonymised.com> wrote:
Starting up GeoServer from Eclipse this morning I get the same error. It was working fine yesterday
I will try out the change in Jody’s PR.
Torben
On Fri, Aug 5, 2016 at 8:20 AM, Nuno Oliveira <nuno.oliveira@anonymised.comit> wrote:
Same here, I can GeoServer in debug mode unsing “start.java” whithout any problem.
Le vendredi 05 août 2016 à 09:35 +0200, Andrea Aime a écrit :
Hi Jody,
I can start GeoServer from the “start.java” class in the web module without issues (as suggested
by the developer guide: http://docs.geoserver.org/latest/en/developer/eclipse-guide/#running-and-debugging ).
Access to http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd works from here, no redirects.
Wondering if it was a temporary glitch or you’re just using a different method of starting up the project.
Also, I’m not sure about the version, in our pom we declare:
<servlet-api.version>3.0.1</servlet-api.version>
Would making this jump reduce the ability to deploy GeoServer in some containers?
At the same time, can we actually run with a lower servlet-api version?
Cheers
Andrea
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On Fri, Aug 5, 2016 at 6:20 AM, Jody Garnett <jody.garnett@anonymised.com> wrote:
Changing web.xml to 2.4 allows me to debug again.
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On 4 August 2016 at 20:57, Jody Garnett <jody.garnett@anonymised.com> wrote:
So I have been having trouble debugging geoserver in eclipse due to the following:
04 Aug 20:48:48 WARN [webapp.WebAppContext] - Failed startup of context o.e.j.w.WebAppContext@anonymised.com{/geoserver,file:/Users/jody/java/geoserver/jive/src/web/app/src/main/webapp/,null}{src/main/webapp}
java.net.ProtocolException: Server redirected too many times (20)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1848)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:647)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(XMLEntityManager.java:1305)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:1271)
at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:263)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1167)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1050)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:964)
Since the stack trace was from the DTDDriver I figured I would look at the XML for web.xml for a DTD reference.
There is one at the top of the file:
Visiting that page does not work …
The www.oracle.com page isn’t working
www.oracle.com redirected you too many times.
Try:
- Reloading the page
- Clearing your cookies
ERR_TOO_MANY_REDIRECTS
So did Oracle just break Servlet 2.3 web.xml files? That would be bad … and an example of why xml is brittle 
Is anyone else having this trouble? Is it time to update our web.xml …
Running a standalone geoserver does not demonstrate this issue so I think it may just be me in a bad spot.
–
Jody Garnett