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Help: newbie error "XML Parsing Error: duplicate attribut"

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"Stéphane S."

Help: newbie error "XML Parsing Error: duplicate attribut"

Hello,

Did anyone already had this error message when displaying an XForms
into the browser:

"XML Parsing Error: duplicate attribute"

Where the message comes from this double declaration on the HTML form
element generated by Orbeon Forms:

xmlns:_0="http://www.w3.org/1999/xhtml" xmlns="http://www.w3.org/1999/xhtml
"

What strikes me is that if I add the following lines (XForms
inspector) just before </body>, everything works fine:

<span class="inspector-widget-class">
<widget:xforms-instance-inspector xmlns:widget="http://orbeon.org/oxf/xml/widget
"/>
</span>

Have you got any cue ? I put an example of a faulty test.xhtml file
below, I tried with different XForms files and sometimes I got the
error above, sometimes not...

I must say also that I have this error with a epilogue-servlet.xpl
slighlty modified by a colleague, however I hope somebody can explain
me the origin of the " xmlns:_0" generated namespace, that could help
me find the bug in the epilogue-servlet.xpl,

Regards,

Stéphane S.
---

PS: here is a faulty file example

<?xml version="1.0"?>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms
">
<head>
<title>MD 2009 XForms examples</title>
<model xmlns="http://www.w3.org/2002/xforms" id="order-model">
<instance>
<doughnuts xmlns="">
<quantity/>
</doughnuts>
</instance>
</model>
</head>
<body>
<h1>Order Doughnuts</h1>
<xf:input ref="quantity" incremental="true">
<xf:label>Quantity</xf:label>
</xf:input>
</body>
</html>

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masjab-2

Re: Help: newbie error "XML Parsing Error: duplicate attribut"

Strange,

I just copied your example and everything works fine...

Am 13.05.2009 um 20:57 schrieb Stéphane S.:

> Hello,
>
> Did anyone already had this error message when displaying an XForms
> into the browser:
>
> "XML Parsing Error: duplicate attribute"
>
> Where the message comes from this double declaration on the HTML
> form element generated by Orbeon Forms:
>
> xmlns:_0="http://www.w3.org/1999/xhtml" xmlns="http://www.w3.org/1999/xhtml
> "
>
> What strikes me is that if I add the following lines (XForms
> inspector) just before </body>, everything works fine:
>
> <span class="inspector-widget-class">
> <widget:xforms-instance-inspector xmlns:widget="http://orbeon.org/oxf/xml/widget
> "/>
> </span>
>
> Have you got any cue ? I put an example of a faulty test.xhtml file
> below, I tried with different XForms files and sometimes I got the
> error above, sometimes not...
>
> I must say also that I have this error with a epilogue-servlet.xpl
> slighlty modified by a colleague, however I hope somebody can
> explain me the origin of the " xmlns:_0" generated namespace, that
> could help me find the bug in the epilogue-servlet.xpl,
>
> Regards,
>
> Stéphane S.
> ---
>
> PS: here is a faulty file example
>
> <?xml version="1.0"?>
> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms
> ">
> <head>
> <title>MD 2009 XForms examples</title>
> <model xmlns="http://www.w3.org/2002/xforms" id="order-model">
> <instance>
> <doughnuts xmlns="">
> <quantity/>
> </doughnuts>
> </instance>
> </model>
> </head>
> <body>
> <h1>Order Doughnuts</h1>
> <xf:input ref="quantity" incremental="true">
> <xf:label>Quantity</xf:label>
> </xf:input>
> </body>
> </html>
>
>
> --
> You receive this message as a subscriber of the [hidden email]
> mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
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"Stéphane S."

Re: Re: Help: newbie error "XML Parsing Error: duplicate attribut"

On May 13, 2009, at 9:39 PM, MJ wrote:
> I just copied your example and everything works fine...

Thanks for your help. Now I have dug the problem a bit and I know
better what happens. It occurs that:

1/ I am using Orbeon 3.6.0
2/ My colleague had changed the file "config/epilogue-servlet.xpl", in
particular the final rendering of the page uses the following path (he
has uncommented it from the Orbeon 3.6.0 original epilogue-servlet.xpl):



<p:choose href="#request">
<p:when test="contains(/request/headers/header[name =
'accept'], 'application/xhtml+xml')">
<p:processor name="oxf:qname-converter">
<p:input name="config">
<config>
<match>
<uri>http://www.w3.org/1999/
xhtml</uri>
</match>
<replace>
<prefix></prefix>
</replace>
</config>
</p:input>
<p:input name="data" href="#rewritten-data"/>
<p:output name="data" id="xhtml-data"/>
</p:processor>
<p:processor name="oxf:xml-converter">
<p:input name="config">
<config>
<method>xhtml</method>
<public-doctype>-//W3C//DTD XHTML 1.0
Transitional//EN</public-doctype>
<system-doctype>http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
</system-doctype>
<encoding>utf-8</encoding>
<content-type>application/xhtml+xml</
content-type>
<indent>false</indent>
<indent-amount>0</indent-amount>
</config>
</p:input>
<p:input name="data" href="#xhtml-data"/>
<p:output name="data" id="converted"/>
</p:processor>
</p:when>

I did check and this is the cause of the problem: when this path is
called, the converted output is XHTML and it contains the double
namespace declaration xmlns:_0="http://www.w3.org/1999/xhtml" xmlns="http://www.w3.org/1999/xhtml
" !

If you comment it and use the standard path that generates some HTML
output (as per default in Orbeon 3.6.0), then this is okay.

Is anybody aware of a bug in Orbeon 3.6.0 in the XHTML output
generation path that would explain why the standard 3.6.0 distribution
has commented it out ? Is there a bug in the "oxf:qname-converter", by
the way is this processor isn't documented at http://www.orbeon.com/ops/doc/processors-converters
?

I didn't find anything in the known issues (http://tinyurl.com/kycl3)

Thanks in advance,

Stéphane S.
---

PS: It seems that in Orbeon 3.7.0 these files are no longer in the
config folder, but they are in jar file:

jar -tvf .../apache-tomcat-6.0.18/webapps/orbeon37\ /WEB-INF/lib/
orbeon-resources-private.jar | grep epilogue
6581 Mon Aug 11 15:48:22 CEST 2008 config/epilogue-portlet.xpl
17747 Thu Aug 07 15:05:40 CEST 2008 config/epilogue-servlet.xpl
3807 Mon Aug 11 15:48:22 CEST 2008 config/epilogue.xpl
5000 Mon Aug 11 15:48:26 CEST 2008 ops/pfc/xforms-epilogue.xpl

And it seems that the XHTML output path is also enabled (it is no
longer commented and there is a property 'oxf.epilogue.output-xhtml'
that seems to control its application), see this extract of "config/
epilogue-servlet.xpl"


<p:choose href="#request">
<p:when test="p:property('oxf.epilogue.output-xhtml')">

<p:choose href="#request">
<p:when test="contains(/request/headers/
header[name = 'accept'], 'application/xhtml+xml')">
<p:processor name="oxf:qname-converter">
<p:input name="config">

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Erik Bruchez

Re: Re: Re: Help: newbie error "XML Parsing Error: duplicate attribut"

Administrator

Stéphane,

I don't know about 3.6, but can you try with a recent nightly?

As you noticed, with more recent builds XHTML output is configured
through properties.

I can't rule out that this is still a bug, but you will have to
confirm with the nightly.

-Erik

On May 14, 2009, at 5:09 AM, Stéphane S. wrote:

> On May 13, 2009, at 9:39 PM, MJ wrote:
>> I just copied your example and everything works fine...
>
> Thanks for your help. Now I have dug the problem a bit and I know
> better what happens. It occurs that:
>
> 1/ I am using Orbeon 3.6.0
> 2/ My colleague had changed the file "config/epilogue-servlet.xpl",
> in particular the final rendering of the page uses the following
> path (he has uncommented it from the Orbeon 3.6.0 original epilogue-
> servlet.xpl):
>
> 
> 
> <p:choose href="#request">
> <p:when test="contains(/request/headers/header[name =
> 'accept'], 'application/xhtml+xml')">
> <p:processor name="oxf:qname-converter">
> <p:input name="config">
> <config>
> <match>
> <uri>http://www.w3.org/1999/
> xhtml</uri>
> </match>
> <replace>
> <prefix></prefix>
> </replace>
> </config>
> </p:input>
> <p:input name="data" href="#rewritten-data"/>
> <p:output name="data" id="xhtml-data"/>
> </p:processor>
> <p:processor name="oxf:xml-converter">
> <p:input name="config">
> <config>
> <method>xhtml</method>
> <public-doctype>-//W3C//DTD XHTML 1.0
> Transitional//EN</public-doctype>
> <system-doctype>http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
> </system-doctype>
> <encoding>utf-8</encoding>
> <content-type>application/xhtml+xml</
> content-type>
> <indent>false</indent>
> <indent-amount>0</indent-amount>
> </config>
> </p:input>
> <p:input name="data" href="#xhtml-data"/>
> <p:output name="data" id="converted"/>
> </p:processor>
> </p:when>
>
> I did check and this is the cause of the problem: when this path is
> called, the converted output is XHTML and it contains the double
> namespace declaration xmlns:_0="http://www.w3.org/1999/xhtml"
> xmlns="http://www.w3.org/1999/xhtml" !
>
> If you comment it and use the standard path that generates some HTML
> output (as per default in Orbeon 3.6.0), then this is okay.
>
> Is anybody aware of a bug in Orbeon 3.6.0 in the XHTML output
> generation path that would explain why the standard 3.6.0
> distribution has commented it out ? Is there a bug in the "oxf:qname-
> converter", by the way is this processor isn't documented at http://www.orbeon.com/ops/doc/processors-converters
> ?
>
> I didn't find anything in the known issues (http://tinyurl.com/kycl3)
>
> Thanks in advance,
>
> Stéphane S.
> ---
>
> PS: It seems that in Orbeon 3.7.0 these files are no longer in the
> config folder, but they are in jar file:
>
> jar -tvf .../apache-tomcat-6.0.18/webapps/orbeon37\ /WEB-INF/lib/
> orbeon-resources-private.jar | grep epilogue
> 6581 Mon Aug 11 15:48:22 CEST 2008 config/epilogue-portlet.xpl
> 17747 Thu Aug 07 15:05:40 CEST 2008 config/epilogue-servlet.xpl
> 3807 Mon Aug 11 15:48:22 CEST 2008 config/epilogue.xpl
> 5000 Mon Aug 11 15:48:26 CEST 2008 ops/pfc/xforms-epilogue.xpl
>
> And it seems that the XHTML output path is also enabled (it is no
> longer commented and there is a property 'oxf.epilogue.output-xhtml'
> that seems to control its application), see this extract of "config/
> epilogue-servlet.xpl"
>
> 
> <p:choose href="#request">
> <p:when test="p:property('oxf.epilogue.output-xhtml')">
> 
> <p:choose href="#request">
> <p:when test="contains(/request/headers/
> header[name = 'accept'], 'application/xhtml+xml')">
> <p:processor name="oxf:qname-converter">
> <p:input name="config">
>
>
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> mailing list.
> To unsubscribe: mailto:[hidden email]
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"Stéphane S."

Re: Re: Help: newbie error "XML Parsing Error: duplicate attribut"

Hello,

I have just done a new test with the nightly (Orbeon Forms
dev-3.7.1.200905200252) setting :

<property as="xs:boolean" name="oxf.epilogue.output-
xhtml" value="false"/>

to true in properties-base.xml

And it now works fine, I mean I can have an XForms file without the
data instance inspector and without the duplicate namespace
declaration error, and it is served as application/xhtml+xml, see 1st
snapshot below.

Just to convince me I tried again with a fresh Orbeon 3.6: I manually
edited epilogue-servlet.xhtml:

a/ I uncommented the lines between

and

b/ I commented the following lines between

and


And once again I had the error, as you can see on the second snapshot
below. (and once again it did work if I included the inspector in the
file:
<span class="inspector-widget-class">
<widget:xforms-instance-inspector xmlns:widget="http://orbeon.org/oxf/xml/widget
"/>
</span> and that time it worked, see 3rd snapshot below)

So I really think there is a bug in Orbeon 3.6 when generating XHTML
output (and not HTML as per default). Unless I did it wrong with the
epilogue-servlet.xpl, but I couldn't find documentation about setting
up "terminal" XHTML output into the browser. But as it seem to be
corrected in Orbeon 3.7, I guess this is not an issue.

In fact I need to configure "terminal" XHTML output (and not HTML),
because I use Orbeon 3.6 for a course on multimedia documents here at
EPFL, and that's the only way I found to allow embedded SVG, in fact
if the document is identified as HTML, then (at least Safari and
Firefox) do not display <svg> elements. So next year we will take
Orbeon 3.7 for our course on multimedia documents...

Regards and thanks for your fantastic work,

Stéphane S.
---

On May 14, 2009, at 7:51 PM, Erik Bruchez wrote:

> Stéphane,
>
> I don't know about 3.6, but can you try with a recent nightly?
>
> As you noticed, with more recent builds XHTML output is configured
> through properties.
>
> I can't rule out that this is still a bug, but you will have to
> confirm with the nightly.
>
> -Erik

PS:

1st image, Orbeon 3.7 nightly build with XHTML output : everything is
okay
2nd image, Orbeon 3.6 with XHTML output : problem in namespace
generation
3rd image, Orbeon 3.6 with XHTML output, with inspector : no problem !

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output-xhtml-true.png (173K) Download Attachment

output-3.6-force-xhtml.png (170K) Download Attachment

output-36-xhtml-inspector.png (212K) Download Attachment

Erik Bruchez

Re: Re: Re: Help: newbie error "XML Parsing Error: duplicate attribut"

Administrator

Stéphane,

Thanks for confirming this! I am glad that this is working with more
recent builds.

-Erik

On May 20, 2009, at 7:01 AM, Stéphane S. wrote:

> Hello,
>
> I have just done a new test with the nightly (Orbeon Forms
> dev-3.7.1.200905200252) setting :
>
> <property as="xs:boolean" name="oxf.epilogue.output-
> xhtml" value="false"/>
>
> to true in properties-base.xml
>
> And it now works fine, I mean I can have an XForms file without the
> data instance inspector and without the duplicate namespace
> declaration error, and it is served as application/xhtml+xml, see
> 1st snapshot below.
>
> Just to convince me I tried again with a fresh Orbeon 3.6: I
> manually edited epilogue-servlet.xhtml:
>
> a/ I uncommented the lines between
> 
> and
> 
> b/ I commented the following lines between
> 
> and
> 
>
> And once again I had the error, as you can see on the second
> snapshot below. (and once again it did work if I included the
> inspector in the file:
> <span class="inspector-widget-class">
> <widget:xforms-instance-inspector xmlns:widget="http://orbeon.org/oxf/xml/widget
> "/>
> </span> and that time it worked, see 3rd snapshot below)
>
> So I really think there is a bug in Orbeon 3.6 when generating XHTML
> output (and not HTML as per default). Unless I did it wrong with the
> epilogue-servlet.xpl, but I couldn't find documentation about
> setting up "terminal" XHTML output into the browser. But as it seem
> to be corrected in Orbeon 3.7, I guess this is not an issue.
>
> In fact I need to configure "terminal" XHTML output (and not HTML),
> because I use Orbeon 3.6 for a course on multimedia documents here
> at EPFL, and that's the only way I found to allow embedded SVG, in
> fact if the document is identified as HTML, then (at least Safari
> and Firefox) do not display <svg> elements. So next year we will
> take Orbeon 3.7 for our course on multimedia documents...
>
> Regards and thanks for your fantastic work,
>
> Stéphane S.
> ---
>
> On May 14, 2009, at 7:51 PM, Erik Bruchez wrote:
>
>> Stéphane,
>>
>> I don't know about 3.6, but can you try with a recent nightly?
>>
>> As you noticed, with more recent builds XHTML output is configured
>> through properties.
>>
>> I can't rule out that this is still a bug, but you will have to
>> confirm with the nightly.
>>
>> -Erik
>
>
> PS:
>
> 1st image, Orbeon 3.7 nightly build with XHTML output : everything
> is okay
> 2nd image, Orbeon 3.6 with XHTML output : problem in namespace
> generation
> 3rd image, Orbeon 3.6 with XHTML output, with inspector : no
> problem !
> <output-xhtml-true.png>
>
> <output-3.6-force-xhtml.png>
>
> <output-36-xhtml-inspector.png>
>
>
>
>
> --
> You receive this message as a subscriber of the [hidden email]
> mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> OW2 mailing lists service home page: http://www.ow2.org/wws