Re: chains 1.1

Wed, 28 Jun 2006 06:25:00 -0700

Thank you for your reply. As you metioned the problem was using the deprecated feature org.apache.commons.chain.CONFIG_ATTR and then trying to retrieve the catalog from the servlet context. Once I made the changes, everything is fine now. 

thanx for your tip, it is appreciated greatly.



From: "Niall Pemberton" <[EMAIL PROTECTED]>
Reply-To: "Jakarta Commons Users List" <[email protected]>
To: "Jakarta Commons Users List" <[email protected]>
Subject: Re: chains 1.1
Date: Sun, 25 Jun 2006 05:43:23 +0100

I haven't used ChainListener, but can you say more about what you mean
by "fail to load".

* Are you seeing errors - if so give more details
* Or is it that you just can't find the parsed "catalog" - if so
please say how you're trying to get hold of the catalog.

Can you also provide the init parameters you're using to configure the
ChainListener.

My understanding is that if you use the <catalog> element then you
should be accessing it via the
CatalogFactory.getInstance().getCatalog() mechanism - rather than
configuring an "org.apache.commons.chain.CONFIG_ATTR" init parameter:

 http://tinyurl.com/m6qyq

Another thing to check is whether your catalog.xml is in the right place.

Niall

On 6/21/06, sia far <[EMAIL PROTECTED]> wrote:

Hello:

I am loading the catalog.xml using ChainLinstener in my application. If I
use the following catalog.xml file all the chains are loaded successfully.

<?xml version="1.0" encoding="UTF-8"?>
<chains>
       <chain name="productDetails">
<command className="iadm.readme.cmd.StartReadOnlyTransaction" /> 
               <command className="iadm.readme.cmd.ProductDetails" />
               <command className="iadm.readme.cmd.CommitTransaction" />
       </chain>

       <chain name="productUpdate">
               <command className="iadm.readme.cmd.StartTransaction" />
               <command className="iadm.readme.cmd.ProductDetails" />
<command className="iadm.readme.cmd.ProductUpdateValidation" /> 
               <command className="iadm.readme.cmd.ProductUpdate" />
               <command className="iadm.readme.cmd.CommitTransaction" />
       </chain>

       <chain name="productLockDetails">
               <command className="iadm.readme.cmd.AllAdminProducts" />
<command className="iadm.readme.cmd.StartReadOnlyTransaction" /> 
               <command className="iadm.readme.cmd.ProductDetails" />
               <command className="iadm.readme.cmd.LockDetails" />
               <command className="iadm.readme.cmd.CommitTransaction" />
       </chain>

       <chain name="productLockUpdate">
               <command className="iadm.readme.cmd.AllAdminProducts" />
               <command className="iadm.readme.cmd.StartTransaction" />
               <command className="iadm.readme.cmd.ProductDetails" />
               <command className="iadm.readme.cmd.UpdateLockDetails" />
               <command className="iadm.readme.cmd.CommitTransaction" />
       </chain>

       <chain name="allRolesLookup">
<command className="iadm.readme.cmd.StartReadOnlyTransaction" /> 
               <command className="iadm.readme.cmd.AllRolesRetrieval" />
               <command className="iadm.readme.cmd.CommitTransaction" />
       </chain>

</chains>

however, if I use the catalog.xml in the format suggested in the cookbook,
none of the commands or chains are loaded. Here the xml I use and it fails
to load:

<?xml version="1.0" encoding="UTF-8"?>
<catalog>

               <chain name="productDetails">
                       <command
className="iadm.readme.cmd.StartReadOnlyTransaction" /> <command className="iadm.readme.cmd.ProductDetails" /> <command className="iadm.readme.cmd.CommitTransaction" /> 
               </chain>

               <chain name="productUpdate">
<command className="iadm.readme.cmd.StartTransaction" /> <command className="iadm.readme.cmd.ProductDetails" /> 
                       <command
className="iadm.readme.cmd.ProductUpdateValidation" /> <command className="iadm.readme.cmd.ProductUpdate" /> <command className="iadm.readme.cmd.CommitTransaction" /> 
               </chain>

               <chain name="productLockDetails">
<command className="iadm.readme.cmd.AllAdminProducts" /> 
                       <command
className="iadm.readme.cmd.StartReadOnlyTransaction" /> <command className="iadm.readme.cmd.ProductDetails" /> <command className="iadm.readme.cmd.LockDetails" /> <command className="iadm.readme.cmd.CommitTransaction" /> 
               </chain>

               <chain name="productLockUpdate">
<command className="iadm.readme.cmd.AllAdminProducts" /> <command className="iadm.readme.cmd.StartTransaction" /> <command className="iadm.readme.cmd.ProductDetails" /> <command className="iadm.readme.cmd.UpdateLockDetails" /> <command className="iadm.readme.cmd.CommitTransaction" /> 
               </chain>

               <chain name="allRolesLookup">
                       <command
className="iadm.readme.cmd.StartReadOnlyTransaction" /> <command className="iadm.readme.cmd.AllRolesRetrieval" /> <command className="iadm.readme.cmd.CommitTransaction" /> 
               </chain>

</catalog>


Any idea why this fails?, I would appreciate you replies in advance.



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