Nabble - Aplaws - Dev

Binary Asset Streaming for APLAWS+ 1.0.5 using SQL Blobs

2009-11-23T22:02:26Z

Ladies and Gents,

we have recently upgraded our local instance of APLAWS+ 1.0.5 to enable streaming of binary assets to and from the database using SQL Blobs.

In the current release of APLAWS, all large binary data sets are represented as SQL Blobs in the database and transferred to and from the database as byte arrays. That is, the "content" value of binary assets is of type "byte[]".

Our changes enable streaming of binary data for BinaryAsset types using the InputStream and OutputStream available with an SQL Blob instance. That is, the "content" value of binary assets has been changed from type "byte[]" to type "java.sql.Blob".

Only BinaryAsset types have changed. All other asset types remain unchanged and continue to transfer binary data using byte arrays.

The bulk of our testing has been with Oracle SE/XE 10.2.0, Profiling has shown a substantial reduction to memory usage in the JVM when uploading and downloading large binary assets. However, we have only undertaken limited testing with PostGres 8.4, so results may vary.

If other APLAWS community members are interested in these changes, I can post a more comprehensive outline of the changes and/or a send a patch set to the newsgroup.

Regards,
Tim Telcik

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XSLT 2.0 Upgrade for APLAWS+ 1.0.5

2009-11-23T21:40:59Z

Ladies and Gents,

we have upgraded our local instance of APLAWS+ 1.0.5 to use XSLT 2.0, based on Saxon HE 9.2.0.2.

For reference, APLAWS is currently using XSLT 1.0, based on Saxon 6.5.5.

Do any other APLAWS community members foresee a need to upgrade to XSLT 2.0 ? If so, I can upload the changes as a patch release.

Regards,
Tim Telcik

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[aplaws - Developing on APLAWS+] APLAWS JEE and JAAS

2009-08-12T09:06:52Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7557814
By: bprucha

How is JAAS going to be handled in the JEE deployment? APLAWS uses
javax.security.auth.login.Configuration.setConfiguration(getLoginConfig()) to
set the JAAS configuration. In JBoss this overides it's way of configuring
JAAS and breaks the ability to login to the admin and jmx consoles. The way
to package an EAR and configure it in JBoss is described pretty well at
http://stuffthathappens.com/blog/2008/05/16/writing-a-custom-jaas-loginmodule/
under the Packaging heading. This is JBoss specific though. I don't know how
over app servers handle this. Anyone have any suggestions?

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[aplaws - Developing on APLAWS+] RE: Performance

2009-08-10T01:04:40Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7553176
By: alan_permeance

We've fixed our deadlocking issues (thanks Tim Carpenter).

Oracle issues a SHARE lock on child tables when updating parents when there
is no index on the FK column. If two transactions have a SHARE lock they will
deadlock when DML starts to happen.

Once we ensured that all Foreign keys had a single column index the dead locks
went away.
We haven't tested this on Postgres.

We have updated the oracle-se-create.sql and postgres-create.sql to ensure the
indexes are created during a load-bundle and we commit them soonish.

Reference:
http://download.oracle.com/docs/cd/B14117_01/appdev.101/b10795/adfns_sq.htm#1024
837
http://www.oracle-base.com/articles/9i/SQLNewFeatures9i.php#ShareLocksOnUnindexedFKs

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[aplaws - Developing on APLAWS+] Theme Bulk Publish

2009-08-09T23:49:30Z

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https://sourceforge.net/forum/message.php?msg_id=7553065
By: pboy

Chris provided a patch for bulk publishing of themes:

1822871: Bulk Theme Publish
( https://sourceforge.net/tracker/?func=detail&aid=1822871&group_id=71505&atid=531527
)

He didn't incorporated it into trunk, unlike most of the other patches he provided
via tracker.

Unfortunateley I can not get in contact with him. Could someone check it and
provide advice, weather to integrate it into trunk?

Peter

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[aplaws - Developing on APLAWS+] @Terry: Patch status 1831466 and 1828052

2009-08-09T23:31:08Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7553039
By: pboy

Hi Terry,

in 2007 you provided 2 patches:

1831466: Selecting section of mparticle as Related Link causes NPE

1828052 : Poller causes PooledConnectionSource to grow

At least the first one is not in trunk (didn't check the second). Could you
check weather they are still relevant and weather it is favourable to include
them?

I would like to do a little bit housekeeping :-)

Thanks
Peter

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[aplaws - Developing on APLAWS+] RE: Performance

2009-08-07T15:23:18Z

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https://sourceforge.net/forum/message.php?msg_id=7550536
By: shawnlane

We are using Postgres 8. something. It can happen when people try to load very
large files too.

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[aplaws - Developing on APLAWS+] RE: ccm-ldn-portal 6.5.2

2009-08-07T15:16:45Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7550534
By: pboy

Terry,

I'm just working on an more extensive portal administration guide, play a bit
around with portal and consider to use it for our site.

2 questions

a)
what is exactly the difference between navigation directory portlet and the
content directory portlet? Both provide a view of the navigation tree. Perhaps
it is a dump question, but I'm unfamiliar with all the LAW categorization machinery
and may not see the obvious.

- Under which circumstances you should use one or the other porftlet?
- is navigation directory perhaps a superset of content directory so the latter
could be removed?

b)
is it possible to relocate navigation directory portlet
to c.a.london.navigation.portlet, where some other navigation related portlets
reside? We would like to reduce horizontal dependencies and de-couple modules.
Portal should be installable independently from Navigation and vice versa.

Thanks
Peter

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[aplaws - Developing on APLAWS+] RE: Performance

2009-08-07T15:05:01Z

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https://sourceforge.net/forum/message.php?msg_id=7550523
By: pboy

Hm, we seem to have the same or a similiar problem here. From time to time the
system is very very slow and it is practically impossible to do any work in
content-center. The public site shows a very slow performance as well. The prblem
vanishes after some time.

We are using postgresql, so the patch provided by Chris doesn't affect us.
What db are you using?

Peter

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[aplaws - Developing on APLAWS+] RE: Performance

2009-08-04T23:37:42Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7545274
By: shawnlane

We have noticed the deadlocks. Database performance drops off, then you look
in the database and clear the deadlocks. We have never got to the bottom of
the actual cause, but we do notice it when people are editing and publishing.
I suppose in normal terms the software should not allow deadlocks, so it is
a real bug.. our workaround is to check the database of deadlocks and delete
these when they are found.

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[aplaws - Developing on APLAWS+] RE: Performance

2009-08-04T20:51:00Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7545130
By: alan_permeance

Hi all,

We are currently having the same deadlocking issues. It occurs in all of our
environments regardless of the size of the DB. Its even happening on the latest
fedora trunk.

We've noticed that when republishing two different items that do not have any
related items all is ok. However as soon as one item has references to another
(related link, metadata etc) it deadlocks every time.

I'm not convinced that the deadlock is related to content Items as such. Being
to think that maybe the persistence layer handling of associations is not fully
concurrent?

Has any one out there experience this, have any suggestions?

Cheers
Al

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[aplaws - Developing on APLAWS+] Sourceforge

2009-07-28T02:29:21Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7531219
By: pboy

I started to update our sorceforge site. APLAWS+ release 1.0.4 is now available
here, including the long outstanding release notes.

Finishing the 1.0.4 release notes I started work for release notes 1.0.5. I
included less than half of the modifications and it is already 25 pages long!
There are so many new features, enhancements, and bug fixes - let us get it
out the dooor! You may have a look at it:
https://fedorahosted.org/aplaws/ticket/35

Peter

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[aplaws - Help] Https - unrecognised URL pattern

2009-07-21T10:23:04Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7519350
By: pfosterlbc

I was wondering whether someone might be able to help with an issue I have
encountered with our Aplaws installations? This concerns form submitted URLs,
for example with the `quick links' URL one is able to create
in /ccm/navigation/admin, or the related links associated with content items
in /ccm/content/admin.

The issue appears to involve non http URLs -- when I attempt to submit an https
URL on the live server, the /ccm/content/admin `related links' form complains
that the URL is invalid. For the quick links form, the URL is submitted successfully,
however appears as http://https://test.com in the edit dialogue. Therefore,
I presume that in both cases, the URL pattern is not being recognised correctly.

Are there any obvious configuration options which affect the URL processing
behaviour and might be related to the observed issue? So far, I have been comparing
ccm get configurations between two servers, as the issue is perplexingly not
present on our staging environment. A comparison of installed packages and ccm
parameters reveals that the recorded aplaws module versions are identical and
that there is no striking difference between the two configurations.

Best wishes,

Peter

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[aplaws - Developing on APLAWS+] RE: Maven support

2009-07-09T02:47:19Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7490138
By: pboy

Hi Terry,

Steve Pugh did some work on maven and created a set of pom files which basically
work. I'll sent them to you via PM later.

It's on my todo list for a while, but I had to do too much other thins. Would
be fine if you could spend some work on it.

Peter

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[aplaws - Developing on APLAWS+] Maven support

2009-07-09T01:55:47Z

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https://sourceforge.net/forum/message.php?msg_id=7490040
By: terry_permeance

A while back someone mentioned they had looked at maven. I've had a bit of a
play and it looks reasonably straight forward. I've got ccm-core compiling
but have yet to generate DDL or get the tests passing. I don't want to reinvent
the wheel if someone else has already done the migration. Anybody got maven
scripts to contribute?

Thanks,
Terry

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-07-08T23:56:21Z

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https://sourceforge.net/forum/message.php?msg_id=7489682
By: terry_permeance

Done. See r1953

NEW USAGE:
ccm set com.arsdigita.cms.contenttypes.glossaryitem.definition.editor=text
(default)
ccm set com.arsdigita.cms.contenttypes.glossaryitem.definition.editor=wysiwyg

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[aplaws - Developing on APLAWS+] RE: Temporary measure in ecdc environment

2009-07-06T18:23:15Z

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https://sourceforge.net/forum/message.php?msg_id=7483820
By: terry_permeance

Done. See https://fedorahosted.org/aplaws/changeset/1952

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[aplaws - Developing on APLAWS+] RE: Temporary measure in ecdc environment

2009-07-06T06:31:53Z

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https://sourceforge.net/forum/message.php?msg_id=7482624
By: pboy

Yes, it is old stuff and not needed anymore. Would you remove it?

Peter

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[aplaws - Developing on APLAWS+] RE: dist folder

2009-07-06T06:30:59Z

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https://sourceforge.net/forum/message.php?msg_id=7482621
By: pboy

Hi Terrry,

I would prefer to wait, until we have a clear plan for the user installation
tool and at least a tentative implementation. And we should have a tool to keep
the dist dir uptodate, something like post commit hook or a nightly build.

But I think we should create such kind of directory and use it to create the
user distribution and to add it to devel environment so you need not compile
all modules each time.

Peter

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[aplaws - Developing on APLAWS+] dist folder

2009-07-06T06:08:48Z

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https://sourceforge.net/forum/message.php?msg_id=7482589
By: terry_permeance

Can we create the war and package in a sub-folder called "dist"? This seems
to be standard practice or is it just maven?

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[aplaws - Developing on APLAWS+] Temporary measure in ecdc environment

2009-07-06T06:03:23Z

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https://sourceforge.net/forum/message.php?msg_id=7482575
By: terry_permeance

Can this be removed from README.txt. It doesn't seem to be needed?

As a temporary measure:
copy ${CATALINA_HOME}/lib/system/ccm-core*
to ${JAVA_HOME}/jre/lib/ext

otherwise you will get a malformedURL exception during server startup

Regards,
Terry

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[aplaws - Developing on APLAWS+] RE: ccm.home and r1919

2009-07-02T06:02:33Z

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https://sourceforge.net/forum/message.php?msg_id=7475944
By: bprucha

> Is it really true, that each module should be able to run in its own context?

I don't see modules necessarily as being an extension to the existing functionality.
A module can provide completely new and independent functionality. Developers
should be able to use the core as a lower level framework for their own applications.
This is what I use the code for. I tap into the user/group/permission functionality
and dispatcher and templating mechanism to create multiple themable instances
of my applications. Beyond that, the software I've developed stands on its
own. Having each module in it's own context also makes it truly modular. You
don't have to merge the moduals web.xml in with the core web.xml. This also
allows you to undeploy/redeploy individual moduals without having
to undeploy/redeploy the entire system. Those are the main benefits I see in
having modules in their own context. I don't think each module has to be in
its own context but when a module provides new application services that simply
rely on the core for lower level API it's nice of have that capability.

> a theme is very specific to a web application, no one wants to mix themes
between several web applications.

Why not? In an enterprise environment you want all of you applications to have
the same look and feel.

> As to my knowledge version 5 of APLAWS was a JEE application, were all modules
were installed into one
> context (ccm). Do you know, WHY that had been changed? I suppose I never understood
this design decision.

I'm not sure why. The code used the c.a.sitenode.SiteNodeDispatcher to locate
the package dispatcher to handle the request. That was deprecated in favor
of the c.a.web.DispatcherServlet which tries to forward the request to a servlet
defined in c.a.web.Application. The new dispatcher mechanism is more flexible
and allows the application to reside in a different context. My guess is that
it makes the moduals more plug and play.

> Just another topic: If each module is dependent from resources in core, I
suppose it is an example of
> (very) strong coupling. So it should not divided into different modules (at
least according to theory :-) )

I see core as being a lower level web framework that should be in a shared jar.
I think much of whats in their can/should be replaced with other competing
technologies that are maintained as independent projects. What should stay
are the things that make APLAWS+ truly unique like the way it handles
users/groups/permissions and dispatches modules in a way that facilitates multiple
instances of an application.

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T23:34:15Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7471028
By: pboy

Terry,

your proposal is much better and we should do that way.

Peter

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T20:00:32Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470834
By: terry_permeance

Okay. I think we should use a term/acronym that anybody would know without doing
a search. It's a usability issue I guess. It still prefer:

c.adcms.ct.<content-type>.<field-name>.editor=(wysiwyg|text)

where "text" is the default but I'll go with whatever the community thinks is
best :-)

Thanks,
Terry

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Reminder: Please Respond to Atish's Invitation

2009-06-29T19:25:06Z

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Is Atish your friend?

Yes, Atish is my friend! No, Atish isn't my friend.

Please respond or Atish may think you said no :(

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New developer

2009-06-29T18:53:54Z

Hi,

Just a quick hello to everyone out there, I have recently started
working with Permeance in Western Australia and hope to be contributing
to APLAWS as part of the work for some of the government agencies here
in WA.

Cheers,
Tim

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T18:52:23Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470745
By: pboy

Terry,

> I'm not sure what "rft"

rtf = richt text field, that is the term the dhtml editor people are naming
the text area were a WYSIWYG editor is used instead of the plain text.

> I can't claim credit for the coding. I'm committing code from our new developer
Tim Carpenter
> who is being inducted into APLAWS as we speak.

Yes, I got his application for write access and will grant it to him asap.

Peter

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[aplaws - Developing on APLAWS+] RE: r1949 Upload option can now be turned off

2009-06-29T18:48:09Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470743
By: pboy

Terry,

OK, obviously I perfectly missunderstood it (it is very late here in Germany
:-) ) I thought you were referring to authoring steps.

Peter

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[aplaws - Developing on APLAWS+] RE: r1949 Upload option can now be turned off

2009-06-29T18:40:48Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470736
By: terry_permeance

I wish we could attach screendumps to these emails :-(

This change simply makes it possible to hide the [Upload a file] link when editing
a Body Text after which the only option seen is the [Edit as text] link.

Apparently some of our users are have been trying to import M$ Word documents
into the Body Text hoping it will convert it!

Regards,
Terry

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T18:33:14Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470731
By: terry_permeance

I'm not sure what "rft" is so I would propose the following convention:

c.ad.ct.cms.<content-type>.<field-name>.editor=(wysiwyg|text)

Regards,
Terry

P.S. I can't claim credit for the coding. I'm committing code from our new developer
Tim Carpenter who is being inducted into APLAWS as we speak.

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[aplaws - Developing on APLAWS+] RE: r1949 Upload option can now be turned off

2009-06-29T18:22:33Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470713
By: pboy

Terry,

if I understand it right we have already a similiar feature, contributed by
ChrisGilbert23 (see r1434). Did you study his patch? Or did I missunderstand
the purpose?

Peter

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T18:03:08Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470687
By: pboy

Terry,

just have seen that you already have committed the patch.

Nevertheless, we should introduce a nameing pattern, eg.

c.ad.cms.<content-type>.<field-name>-as-rft

or something like that.

> ccm set com.arsdigita.cms.contenttypes.glossaryitem.fck_editor_config=<path>
> (uses fckconfig_forum.js by default)

I think fckconfig_forum as default is a bad idea because it introduces a horizontal
dependency between modules (which is generally a bad design, especially in this
case because they are independet by its purpose and usage). So it should either
use a default configuration as specified in cms (because glossary is a
ccm-cms-types-<module> so it generates no additional module dependency).

Peter

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[aplaws - Developing on APLAWS+] RE: r1947 Glossary item WYSIWYG editor

2009-06-29T17:46:42Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470666
By: pboy

Terry,

I think that is a good idea and should be implemented.

I did something similiar with a field of the event contenttyp and introduced

> com.arsdigita.cms.contenttypes.event.use_html_date_description=false|true

So may be should enable/disable dhtml on a per field base (as a systematic structure
for any content type we may modify this way)?

Peter

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[aplaws - Developing on APLAWS+] RE: ccm.home and r1919

2009-06-29T17:37:34Z

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https://sourceforge.net/forum/message.php?msg_id=7470657
By: pboy

Brett,

> > It is fetched from the applications context. Using the ::webapps:: variable
in stylesheet-paths.txt the resource
> > can be lookup up in multiple contexts

> That works very well for the core dispatcher, but does not work inside of
xml files (include directive, a mechansim
> which is widely used in APLAWS). Therefore, if we decide that every module
must be able to run in its own context,
> we have to find a solution.

Sorry, I forgot that you already developed a solution for this part.

Peter

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[aplaws - Developing on APLAWS+] RE: ccm.home and r1919

2009-06-29T17:31:59Z

Read and respond to this message at:
https://sourceforge.net/forum/message.php?msg_id=7470649
By: pboy

Hi Brett,

> The problem is that the presentation layer depends upon Bebop XSLT in ccm-core.
> Each module should be able to run in its own context but it also needs to
access the core XSLT
> components of Bebop. I don't think each individual module should have it's
own copy of the core resources.

Is it really true, that each module should be able to run in its own context?
I asked on the forum and tried hard to find a reason for it.

E.g. why should ccm-ldn-theme run in its own context? By design (i.e. the xml
include mechanism) it provides services for just one web application, that one
that is running in ROOT. Nothing else. It used to store all the themes in its
own context, but a theme is very specific to a web application, no one wants
to mix themes between several web applications.

Of course, several web applications might use the services, the module ccm-ldn-themes
provides. Therefore, the jar files might be / should be stored in the containers
shared lib directory so it can be used by any web application. But each web
application will store the themes in its ówn context (xsl but also logo, images
and other private or specific things the webapp might not be willing to share).
And it will store the theme of the admin interface in its own context and might
whish to modify or redesign it.

As to my knowledge version 5 of APLAWS was a JEE application, were all modules
were installed into one context (ccm). Do you know, WHY that had been changed?
I suppose I never understood this design decision.

Currently, the development system had been changed so that all modules are installed
into one context which is specified in project.xml. If there is a requirement,
that a module should run in its own context, I have to adjust the
build-template.xsl.

Just another topic: If each module is dependent from resources in core, I suppose
it is an example of (very) strong coupling. So it should not divided into different
modules (at least according to theory :-) )

> It is fetched from the applications context. Using the ::webapps:: variable
in stylesheet-paths.txt the resource
> can be lookup up in multiple contexts

That works very well for the core dispatcher, but does not work inside of xml
files (include directive, a mechansim which is widely used in APLAWS). Therefore,
if we decide that every module must be able to run in its own context, we have
to find a solution.

Therefore the question is: Is it essential for your usage of APLAWS / CCM that
each module is able to run in its own context,
or is it sufficient that jar files are stored in a shared directory
or can we determine specific circumstances for the requirement to run in ist
own context (some sort of special kind or types of modules) for which we can
develope a solution for the include directive in xsl files (of make them
unneccessary).

Peter

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