Rebecca Searls created CXF-6008:
-----------------------------------
Summary: 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
>>>> 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"
>>>> <[email protected]>, or on this list, "Dalibor Topic"
>>>> <[email protected]>.
>>>>
>>>> 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" <[email protected]> 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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