[jira] Commented: (ODE-242) Usage of Xerces classes generates instability with regard to app servers

["Matthieu Riou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ODE-242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569113#action_12569113 ] 

Matthieu Riou commented on ODE-242:
-----------------------------------

We're using Xerces because we more or less have to. We rely on its internal APIs for schemas handling. It's really needed to extract schemas from WSDLs and check what are the actual types of variables and we can't replace that with JAXB or JAXP.

What you can try is to replace the Xerces version used by ODE with the one provided with Weblogic or vice-versa. One of the two combinations should work.

> Usage of Xerces classes generates instability with regard to app servers
> ------------------------------------------------------------------------
>
>                 Key: ODE-242
>                 URL: https://issues.apache.org/jira/browse/ODE-242
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: weblogic 9.2
>            Reporter: Douglas Scott Jackson
>
> Application servers typically include a version of xerces in their system classpath that may conflict with
> the version used by Ode.  Altering the class loading hierarchy of an App Server such as weblogic is
> not supported.  This means that applications wishing to bundle or use Ode will have a tough time
> supporting different versions of the app server.  Applications may need to support multiple versions
> of application servers due to support policies.  Therefore using a technology like xerces may inhibit
> the adoption of Ode greatly.  In my experience higher level APIs (JAXB, JAXP, etc) are far more likely
> to work across multiple versions of servers.
> An example of this is trying to use the current 1.2 version of Ode sources with Weblogic 9.2.

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