[jira] [Resolved] (STANBOL-1395) StAX 2 support in Stanbol

["Rupert Westenthaler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STANBOL-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rupert Westenthaler resolved STANBOL-1395.
------------------------------------------
    Resolution: Fixed

fixed with http://svn.apache.org/r1632278 for 0.12.1 and http://svn.apache.org/r1632279 in trunk.

> StAX 2 support in Stanbol
> -------------------------
>
>                 Key: STANBOL-1395
>                 URL: https://issues.apache.org/jira/browse/STANBOL-1395
>             Project: Stanbol
>          Issue Type: Improvement
>          Components: Commons
>    Affects Versions: 0.12.0
>            Reporter: Rupert Westenthaler
>            Assignee: Rupert Westenthaler
>             Fix For: 1.0.0, 0.12.1
>
>
> While using Jackson to generate XML by a component running within the Stanbol OSGi environment I got problems because the implementations provided by the JDK where not supporting methods called by Jackson (see [1] for details on the problem I encountered).
> However just replacing the default Stax 1 implementation with a Stax 2 implementation is not as easy as adding the required dependency as the lookup mechanism of Stax (ServiceLoader) does not work within OSGI.
> Because of that the Apache Servicemix project provides the org.apache.servicemix.specs.stax-api-1.2:2.4.0 module (see [2] for a really nice blog post with details).
> Required changes:
> 1. the framework fragment needs to be adapted to no longer import the stax packages form the JDK
> 2. the stanbol-commons bundlelist needs to be extended to provide the servicemix version of the stax-api spec.
> 3. the stanbol-commons bundlelist also needs to provide an OSGI enabled stax implementation. I will choose woodstox as suggested in [1].
> After this both Stax 1 and Stax 2 will be available in Stanbol 
> NOTE: Stax is already required by the commons.solr.* packages as Apache Solr uses it to parse its configuration files)
> [1] http://stackoverflow.com/questions/22950542/pretty-printing-xml-with-jackson-library
> [2] http://veithen.blogspot.co.at/2014/10/stax-osgi.html



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