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From "Daniel Kulp (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CXF-6008) Analysis of CXF dependency on JDK-Internal APIs
Date Wed, 22 Mar 2017 22:51:41 GMT

     [ https://issues.apache.org/jira/browse/CXF-6008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Kulp resolved CXF-6008.
------------------------------
       Resolution: Not A Problem
         Assignee: Daniel Kulp
    Fix Version/s: Invalid

Not an issue for CXF

> Analysis of CXF dependency on JDK-Internal APIs
> -----------------------------------------------
>
>                 Key: CXF-6008
>                 URL: https://issues.apache.org/jira/browse/CXF-6008
>             Project: CXF
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Rebecca Searls
>            Assignee: Daniel Kulp
>             Fix For: Invalid
>
>
> >>>> As part of the preparations for JDK 9, Oracle’s engineers have been
> >>>> analyzing open source projects  to understand usage.
> >>>> One area of concern involves identifying compatibility problems, such
as
> >>>> reliance on JDK-internal APIs.
> >>>>
> >>>> Our engineers have already prepared guidance on migrating some of the
> >>>> more common usage patterns of JDK-internal APIs to supported public
> >>>> interfaces. The list is on the OpenJDK wiki [0], along with instructions
> >>>> on how to run the jdeps analysis tool yourself .
> >>>>
> >>>> As part of the ongoing development of JDK 9, I would like to encourage
> >>>> migration from JDK-internal APIs towards the supported Java APIs. 
> >>>>
> >>>> For anything where your migration path is unclear, (the JDK-9 team would
like)
> >>>> comments on the JDK-internal API usage patterns  - in particular comments
elaborating on the rationale
> >>>> for them - either to me, "Rory O'Donnell Oracle, Dublin Ireland" <rory.odonnell@oracle.com>,
 or on this list, "Dalibor Topic" <dalibor.topic@oracle.com>.
> >>>>
> >>>> Finding suitable replacements for unsupported interfaces is not always
> >>>> straightforward, which is why I am reaching out to you early in the
JDK
> >>>> 9 development cycle so you can give feedback about new APIs that may
be
> >>>> needed to facilitate this exercise.
> >>>>
> >>>> Thank you in advance for any efforts and feedback helping us make JDK
9
> >>>> better.
> >>>>
> >>>> Rgds,Rory
> >>>>
> >>>> [0]
> >>>> https://wiki.openjdk.java.net/display/JDK8/Java+Dependency+Analysis+Tool
> >>>>
> >>>> --
> >>>> Rgds,Rory O'Donnell
> >>>> Quality Engineering Manager
> >>>> Oracle EMEA , Dublin, Ireland
> On 16/09/2014 18:59, Rebecca Searls wrote:
> > I ran jdeps on apache CXF ( http://git-wip-us.apache.org/repos/asf/cxf.git,  branch
3.0.x-fixes)
> > and got the following results.
> >
> > ---
> > digraph "ehcache-2.8.1.jar" {
> >      // Path: ./services/sts/sts-war/target/SecurityTokenService/WEB-INF/lib/ehcache-2.8.1.jar
> >     "net.sf.ehcache.pool.sizeof.UnsafeSizeOf"          -> "sun.misc.Unsafe (JDK
internal API (rt.jar))";
> > }
> >         
> > ---
> > digraph "woodstox-core-asl-4.3.0.jar" {
> >      // Path: ./services/sts/sts-war/target/SecurityTokenService/WEB-INF/lib/woodstox-core-asl-4.3.0.jar
> >     "com.ctc.wstx.msv.GenericMsvValidator"             -> "org.relaxng.datatype.Datatype
(JDK internal API (tools
> > .jar))";
> > }
> >
> "Balchandra Vaidya" <balchandra.vaidya@oracle.com> wrote ..
> > 
> > Thank you for the report. Both sun.misc.Unsafe and
> > org.relaxng.datatype.Datatype
> > are JDK-internal APIs that have no supported replacements.  If you are
> > unable to
> > migrate away, please provide us with an explanation. 
> Would the CXF team respond to the JDK-9 team about their use of these 2 APIs?



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