This didn't help because there was no module-info.java.
carlos andres de la rosa wrote on
9/23/19 5:04 AM:
Hello folks
I already pass for this javadoc plugin issue with java 11
on mp fault tolerance spec if you wanna check below is a pull
request that is compiling with java 11
I hope that maybe can help you
Thank you
Best
On
9/21/19 1:13 AM, Bill Shannon wrote:
> Thanks for the pointers, Lukas. The jaxb-api approach
seems to work
> pretty well.
the drawback of this particular solution is that the
correctness of
module descriptor is not being checked at compile time by
javac - ie if
ServiceLoader is used by the code being compiled, javac can
detect
missing 'use' declaration in module-info and fail eventually;
in the
setup used by jaxb-api, module-info is compiled against class
files, so
no such check is being done.
This as such may or may not be a problem depending on the
complexity of
the project in question and personal knowledge of its
internals.
>
> However, javadoc isn't working:
>
> [ERROR] Failed to execute goal
>
org.apache.maven.plugins:maven-javadoc-plugin:3.1.1:javadoc
(default) on project
> jakarta.activation: An error has occurred in Javadoc
report generation:
> [ERROR] javadoc: error - No source files for package
javax.activation
>
> I even tried "mvn javadoc:javadoc" on the jaxb-api
project and it fails
> for a different reason:
blame buggy maven-javadoc-plugin here[1]; what must work for
me is 'mvn
clean install' and 'mvn clean install -Poss-release' (with
-Dgpg.skip=true eventually). I treat 'javadoc:javadoc' as nice
to have
thing, so unless there is a strong wish and demand for that,
it is
unlikely that I'll be putting in some solution for it (read as
"IMHO too
much work for a little gain")
>
> [ERROR] Failed to execute goal
>
org.apache.maven.plugins:maven-javadoc-plugin:3.1.1:javadoc
(default-cli) on
> project jakarta.xml.bind-api: An error has occurred in
Javadoc report generation:
> [ERROR] Exit code: 1 - error: module not found:
java.xml.bind
>
> I played around with the javadoc tool by hand, using the
options the
> maven-javadoc-plugin generates, and I can't figure out
how to generate
> the javadocs for a module. Have you made this work?
yes, I made that work - removing lines related to
'--patch-module' and
'--module-source-path' options and explicitly adding
'--source-path'
pointing to the main source roots (src/main/java etc) helped
thanks,
--lukas
[1]: https://issues.apache.org/jira/browse/MJAVADOC-622
>
>
> Bill Shannon wrote on 9/19/19 11:01 AM:
>> Lukas Jungmann wrote on 9/19/19 5:12 AM:
>>> Hi Bill,
>>>
>>> On 9/19/19 2:29 AM, Bill Shannon wrote:
>>>> What's the state of the art for building a
jar file that contains class
>>>> files that will work on JDK 8, and a
module-info.class that will work
>>>> on JDK 11?
>>>
>>> Are you looking just for this or also for ability
to have multi-release jars?
>>
>> I don't need a multi-release jar file.
>>
>>> Are you looking for slightly more advanced things
like module-info being altered
>>> by the build as needed - ie because you have a
main-class in one of the projects
>>> (maven-jar-plugin:3.1.2+ is required), or you
want to include project version in
>>> module info (maven-compiler-plugin:3.8.1+ is
required) etc?
>>
>> I don't think I need that.
>>
>>> All JAXB/JAXWS related projects are somehow
dealing with this as all of them are
>>> java modules for some time already and some of
them are also multi-release jars;
>>> jsonp/yasson are another projects to look at
eventually - should I pick up some
>>> examples, jaxb-api can be one of them - it is
small project with module-info, a
>>> multi-release jar and compiles everything exactly
ones[1], a project which is
>>> not MR jar but contains "old" tests which are now
being run within JPMS can be
>>> metro-policy[2] (its double-compilation is going
to be fixed in the (near)
>>> future). Old JAXB/SAAJ/JAXWS 'RI's are another
examples should you be looking
>>> for bigger projects - note that I'm updating them
these days to adopt recent
>>> changes in maven plugins, so what is there today,
may be different tomorrow (or
>>> day after :-))...
>>>
>>> Based on my experience, if you get on this
path, my recommendation is to use
>>> Maven 3.6.0. 3.6.1 is safe if you don't need to
use Eclipse Tycho, with 3.6.2,
>>> the copyright plugin does not work[3]. If there
is a need for Ant, make sure
>>> 1.10.6+ is used because older versions do not
work correctly out-of-the-box if
>>> the build uses a task from a library which is a
multi-release jar[4].
>>> As for what maven build plugins to use -
general advice is to always use the
>>> latest versions.
>>
>> Thanks for the pointers, I'll look at those projects.
>>
>>> thanks,
>>> --luksa
>>>
>>> [1]: https://github.com/eclipse-ee4j/jaxb-api/blob/master/jaxb-api/pom.xml
>>> [2]: https://github.com/eclipse-ee4j/metro-policy/blob/master/policy/pom.xml
>>> [3]: https://github.com/eclipse-ee4j/glassfish-copyright-plugin/issues/7
>>> [4]: https://bz.apache.org/bugzilla/show_bug.cgi?id=62952
>>>
>>> The last time I looked at this all I found
were kludges
>>>> that resulted in compiling everything twice,
or very complex Maven
>>>> configurations that depended on using
multiple versions of the JDK
>>>> to compile. Is there a better way? Is there
an existing project
>>>> that would be a good example?
>>>>
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>>> _______________________________________________
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Andres De La Rosa | Software Architect
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