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From "Grzegorz Kossakowski (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COCOON-2106) DatabaseReader and SQLTransformer cannot obtain datasource
Date Mon, 17 Sep 2007 23:14:43 GMT

    [ https://issues.apache.org/jira/browse/COCOON-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12528185
] 

Grzegorz Kossakowski commented on COCOON-2106:
----------------------------------------------

I come to conclusion that registering wrappers automatically is rather troublesome and not
worth the effort. The trouble comes from the fact that I wanted to register separate wrappers
for existing beans that is not possible by using Spring XML extension because not all beans
are parsed when extension is called.

That's why I decided to just implement simple wrapping bean that must be declared manually.
The proper declaration would look like:
<bean name="org.apache.avalon.excalibur.datasource.DataSourceComponent/personnel"
            class="org.apache.cocoon.databases.bridge.spring.avalon.SpringToAvalonDataSourceWrapper">
  <property name="wrappedBean">
    <bean name="org.apache.avalon.excalibur.datasource.DataSourceComponent/personnel"
          class="org.springframework.jdbc.datasource.DriverManagerDataSource">
      (...)
    </bean>
  </property>
</bean>

Csaba, could you try if this works for you?

> DatabaseReader and SQLTransformer cannot obtain datasource
> ----------------------------------------------------------
>
>                 Key: COCOON-2106
>                 URL: https://issues.apache.org/jira/browse/COCOON-2106
>             Project: Cocoon
>          Issue Type: Bug
>          Components: Blocks: Databases
>    Affects Versions: 2.2-dev (Current SVN)
>            Reporter: Csaba Kazó
>            Assignee: Grzegorz Kossakowski
>         Attachments: dbreader.diff, sqltrans.diff
>
>
> The DatabaseReader and SQLTransformer components fail to obtain the configured data source
and throw a ServiceException like "Component with 'org.apache.avalon.excalibur.datasource.DataSourceComponent/personnel'
is not defined in this service manager. (Key='AvalonServiceManager')". The failing function
call in both cases is:
> this.manager.lookup(DataSourceComponent.ROLE + '/' + datasourceName)
> The result is the same regardless of whether the data source is defined as an Avalon
component or a Spring bean.
> Changing the code to use ServiceSelector as in the "Creating a Reader" document [1] and
the modular database actions solves the problem for both cases. The attached patch applies
this modification to DatabaseReader.java.
> [1] http://cocoon.zones.apache.org/daisy/cdocs/g1/g1/g2/g1/g2/681.html

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