Posted by smaran on Mar 07, 2011; 12:45pm
URL: https://discuss.orbeon.com/p-param-type-input-name-instance-tp3338458p3338885.html

Hi,
After changing the file I am unable to publish the forms.It shows error log as below
2011-03-07 18:09:34,781 INFO  ProcessorService  - /xforms-server - Received request
2011-03-07 18:09:34,890 INFO  ProcessorService  - /fr/service/custom/orbeon/builder/toolbox - Received request
2011-03-07 18:09:35,031 INFO  ProcessorService  - /fr/service/oracle/crud/orbeon/library/form/form.xhtml - Received request
2011-03-07 18:09:35,187 ERROR XSLTTransformer  - Error at line 86 of oxf:/apps/fr/persistence/oracle/crud.xpl:
An empty sequence is not allowed as the value of variable $matcher-groups
2011-03-07 18:09:35,187 ERROR ProcessorService  - Exception at line 86 of oxf:/apps/fr/persistence/oracle/crud.xpl
; SystemID: oxf:/apps/fr/persistence/oracle/crud.xpl; Line#: 86; Column#: -1
org.orbeon.saxon.trans.XPathException: An empty sequence is not allowed as the value of variable $matcher-groups
        at org.orbeon.saxon.expr.CardinalityCheckingIterator.typeError(CardinalityCheckingIterator.java:120)
        at org.orbeon.saxon.expr.CardinalityCheckingIterator.<init>(CardinalityCheckingIterator.java:47)
        at org.orbeon.saxon.expr.CardinalityChecker.iterate(CardinalityChecker.java:171)
        at org.orbeon.saxon.value.MemoClosure.iterate(MemoClosure.java:89)
        at org.orbeon.saxon.value.Value.getIterator(Value.java:202)


Modification I had done for crud.xpl

<p:input name="matcher-groups" href="#matcher-groups"/>
        <p:input name="instance" href="#instance"/>
        <p:input name="request" href="#request"/>
        <p:input name="data"><dummy/></p:input>


<xsl:copy-of select="doc('input:instance')"/>
                 </document>
                 <timestamp><xsl:value-of select="current-dateTime()"/></timestamp>
                <username><xsl:value-of select="$request/headers/header[name = 'orbeon-username']/value"/></username>
                <username><xsl:value-of select="$request/remote-user"/></username>
                 <roles><xsl:value-of select="$request/headers/header[name = 'orbeon-roles']/value"/></roles>
                 <app><xsl:value-of select="$matcher-groups[1]"/></app>
                 <form><xsl:value-of select="$matcher-groups[2]"/></form>


Regards,
Smaran
-----Original Message-----
From: Florian Schmitt [mailto:[hidden email]]
Sent: Monday, March 07, 2011 5:28 PM
To: [hidden email]
Subject: [ops-users] Re: RE: Re: RE: Re: <p:param type="input" name="instance"/>

Smaran,

> So far all right, but although there is an authenticated user in the  
> context '/ orbeon' in Tomcat, 'Form Runner' or 'Form Builder' shows no  
> reference to the user, or when you create or modify forms, data is not  
> saved user in the 'USERNAME' table 'ORBEON_FORM_DATA', which remains  
> empty although there is an authenticated user.

it seems that crud.xpl doesn't use the container authentication data; this may be a bug.

If i understand crud.xpl correctly, the username value is set in line 82 of /src/resources/apps/fr/perssistence/oracle/crud.xpl or line 64 of /src/resources/apps/fr/perssistence/mysql/crud.xpl, respectively. In both cases, the output of /request/headers/header[name = 'orbeon-username']/value is used, assuming that this header field contains the user name.

But the name of the authenticated user isn't availbe in /request/headers/header[name = 'orbeon-username']/value. The path should be /request/remote-user, i assume. AFAIK, "orbeon-username"
appears only in the both crud.xpl files, but nowhere else in the sources. The docs of the request generator don't mention a header field named "orbeon-username" or "orbeon-roles" or "orbeon-datasource":
http://www.orbeon.com/orbeon/doc/processors-generators-request#d30e37

You could try to change crud.xpl manually to use the name of the authenticated user as username; i've attached a patch. Since i don't use SQL persistence, i wasn't able to test i myselft, and i don't know which other effects may be caused by this chance.

HTH
florian


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