[hibernate-dev] Depending on JAXB / JDK11 compatibility

[Sanne Grinovero]

On 2 May 2018 at 21:30, Christian Beikov <christian.beikov at gmail.com> wrote:
> +1 for listing the API dependency "javax.xml.bind:jaxb-api". Not sure
> about the implementation though, maybe we can use
> "com.sun.xml.bind:jaxb-impl" as an optional dependency?

Hi Christian,

right that's what makes it confusing. We might want to list the
jaxb-api explicitly but it's not enough to make it work: people will
need to know to list several more dependencies.

This is what I've been experimenting with in the Search testsuite
(which uses Hibernate ORM):

<!-- All replacements for JAXB -->
<dependency>
    <groupId>javax.xml.bind</groupId>
    <artifactId>jaxb-api</artifactId>
    <scope>provided</scope>
</dependency>
<dependency>
    <groupId>com.sun.xml.bind</groupId>
    <artifactId>jaxb-impl</artifactId>
    <scope>test</scope>
</dependency>
<dependency>
    <groupId>com.sun.xml.bind</groupId>
    <artifactId>jaxb-core</artifactId>
    <scope>test</scope>
</dependency>
<dependency>
    <groupId>javax.activation</groupId>
    <artifactId>javax.activation-api</artifactId>
    <scope>provided</scope>
</dependency>

I'm afraid that we might as well not list jaxb-api as users need to
understand this all either way.

Thanks,
Sanne


>
>
> Mit freundlichen Grüßen,
> ------------------------------------------------------------------------
> *Christian Beikov*
> Am 02.05.2018 um 20:38 schrieb Sanne Grinovero:
>> With JAXB being part of the JDK in Java 8, Hibernate ORM doesn't list
>> it as a runtime dependency.
>>
>> Java 9 users have been suggested to use the JVM option "--add-modules
>> java.xml.bind" to avoid the JVM hiding the JAXB library from
>> classpath.
>>
>> With Java 11 the java.xml.bind is no longer available; what should we
>> suggest to users?
>>
>> Should we list it as an explicit dependency in the released pom files?
>>
>> Thanks,
>> Sanne
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