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Re: [tycho-user] Java Annotations problem 
Hi
https://repo.eclipse.org/ seems to be the way to go. Maven central will never be up to date.
Unfortunately it makes no difference, but at least I have the same plugins interactively and cached. 

The custom Java annotations are configured in the .classpath file

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
    <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"> 
        <attributes>
            <attribute name="annotationpath" value="/org.eclipse.ocl.pivot/annotations"/> 
        </attributes>
    </classpathentry>
    <classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins">
        <attributes>
            <attribute name="annotationpath" value="/org.eclipse.ocl.pivot/annotations"/> 
        </attributes>
    </classpathentry>
    <classpathentry kind="src" path="emf-gen"/>
    <classpathentry kind="src" path="src"/>
    <classpathentry kind="output" path="bin"/>
</classpath>
If I comment out the <attributes> clauses, I see similar diagnostics in the JDT editor as in the Tycho compile. It would appear that the attributes are ignored by a Tycho compile, or do they too have to come from Maven central? 

    Regards

        Ed Willink



On 13/10/2017 11:25, Sievers, Jan wrote:

unfortunately JDT binaries are not on maven central, details see [1]
If you want newer JDT maven artifacts, I guess you will have to add an eclipse.org maven repo to your pom.xml or settings.xml

At least that's what eclipse platform seems to be doing

https://github.com/eclipse/eclipse.platform.releng.aggregator/blob/2df84b9e959fdc0476113913dd1aa4db1a14b0d4/eclipse-platform-parent/pom.xml#L193-L202


Regards
Jan


[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=510198

On 13.10.17, 12:02, "tycho-user-bounces@xxxxxxxxxxx on behalf of Ed Willink" <tycho-user-bounces@xxxxxxxxxxx on behalf of ed@xxxxxxxxxxxxx> wrote:

     Hi
     Thanks. The bleeding edge of JDT annotations is pretty bloody.
     It appears that
     Buckmister / Tycho 0.26.0 predate the custom annotation support / nullable-non-null return checks. No problems.
Tycho 1.0.0 is in the middle of experimental functionality. Spurious problems. Oxygen JDT is useable. Only minor problems. --- 
     I have succeeded in setting cbi-jdt-version/cbi-jdt-apt-version in so far as I get errors reporting that the override versions are not found.
     I can force the correct versions to be pulled from the Oxygen release but it appears that Tycho insists on using versions that come from (but are not in) Maven central. The platform is ignored.
i.e. my repo shows a -SNAPSHOT for my explicit forced load but a -V2017... for the failed Maven access. Any clues? ----- How about a use platform JDT configuration option? Regards 
             Ed Willink
On 13/10/2017 08:08, Sievers, Jan wrote: What is the underlying JDT in 0.26.0 / 1.0.0? https://github.com/eclipse/tycho/blob/tycho-0.26.0/pom.xml#L95https://github.com/eclipse/tycho/blob/tycho-1.0.0/pom.xml#L95 Is it controllable? you can override the default JDT/APT artifacts used (although I don't think this is the solution to the problem at hand). Make sure they match though. See e.g. 
     https://github.com/eclipse/eclipse.platform.releng.aggregator/blob/2df84b9e959fdc0476113913dd1aa4db1a14b0d4/eclipse-platform-parent/pom.xml#L436-L446
Is there some configuration magic for Java annotation paths? not that I know of, unless you are talking about annotation processing to generate sources, see 
     https://eclipse.org/tycho/sitedocs/tycho-compiler-plugin/compile-mojo.html#annotationProcessorshttps://eclipse.org/tycho/sitedocs/tycho-compiler-plugin/compile-mojo.html#generatedSourcesDirectory
The point that you are getting different errors/warnings may be simply related to your compiler errors/warnings configuration. 
     Since 1.0.0 .settings/org.eclipse.jdt.core.prefs is used by default, see announcement
     https://wiki.eclipse.org/Tycho/Release_Notes/1.0.0
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