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 <
[email protected]> 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
>
>
> On Fri, Aug 5, 2016 at 6:20 AM, Jody Garnett <[email protected]>
> wrote:
>
> Changing web.xml to 2.4 allows me to debug again.
>
> <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">
>
>
> --
> Jody Garnett
>
> On 4 August 2016 at 20:57, Jody Garnett <[email protected]> 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@626c44e7{/geoserver,file:/Users/jody/j
> ava/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(H
> ttpURLConnection.java:1441)
> at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.set
> upCurrentEntity(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.sta
> rtDTDEntity(XMLEntityManager.java:1271)
> at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.se
> tInputSource(XMLDTDScannerImpl.java:263)
> at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerIm
> pl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1167)
> at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerIm
> pl$DTDDriver.next(XMLDocumentScannerImpl.java:1050)
> at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerIm
> pl$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:
>
> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application
> 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd";>
>
>
> Visiting that page does not work ...
>
> The www.oracle.com page isn’t working
> *www.oracle.com <http://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
>
>
>
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> --
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> ==
>
> Ing. Andrea Aime
> @geowolf
> Technical Lead
>
> GeoSolutions S.A.S.
> Via di Montramito 3/A
> 55054  Massarosa (LU)
> phone: +39 0584 962313
> fax: +39 0584 1660272
> mob: +39  339 8844549
>
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> --
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> GeoServer Professional Services from the experts!
> Visit http://goo.gl/it488V
>  for more information.
> ==
> Nuno Miguel Carvalho Oliveira
> @nmcoliveira
> Software Engineer
>
> GeoSolutions S.A.S.
> Via di Montramito 3/A
> 55054  Massarosa (LU)
> Italy
>
> phone: +39 0584 962313
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> AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
> Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i 
> file/s allegato/i sono
> da considerarsi strettamente riservate. Il loro utilizzo è consentito 
> esclusivamente al destinatario del messaggio, per le finalità indicate
> nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il 
> destinatario, Vi preghiamo cortesemente di darcene notizia via e
> -mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal 
> Vostro sistema. Conservare il messaggio stesso, divulgarlo
> anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per 
> finalità diverse, costituisce comportamento contrario ai
> principi dettati dal D.Lgs. 196/2003.
>
> The information in this message and/or attachments, is intended solely for 
> the attention and use of
> the named addressee(s) and may be confidential or proprietary in nature or 
> covered by the provisions of privacy act (Legislative Decree
> June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in 
> accord with its purpose, any disclosure, reproduction, copying,
> distribution, or either dissemination, either whole or partial, is strictly 
> forbidden except previous formal approval of the named
> addressee(s). If you are not the intended recipient, please contact 
> immediately the sender by telephone, fax or e-mail and delete the
> information in this message that has been received in error. The sender does 
> not give any warranty or accept liability as the content,
> accuracy or completeness of sent messages and accepts no responsibility  for 
> changes made after they were sent or for other risks which
> arise as a result of e-mail transmission, viruses, etc.
>
>
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