quick look tells me you've disabled Java support in m2e by ignoring the
maven-compiler-plugin mapping.
Try removing this:
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-compiler-plugin
</artifactId>
<versionRange>
[3.8.0,)
</versionRange>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
and update the project configuration
On Thu, Jul 11, 2019 at 12:34 AM KARR, DAVID <dk0...@att.com> wrote:
> That’s really just the pom.xml file itself, right?
>
>
>
> *From:* m2e-users-boun...@eclipse.org <m2e-users-boun...@eclipse.org> *On
> Behalf Of *Fred Bricon
> *Sent:* Wednesday, July 10, 2019 2:58 PM
> *To:* Maven Integration for Eclipse users mailing list <
> m2e-users@eclipse.org>
> *Subject:* Re: [m2e-users] Still run into m2e not setting newly imported
> projects as java projects, with minimal maven info
>
>
>
> Can you attach the projects (before import), without the source code, and
> after anonymizing the poms?
>
>
>
> On Wed, Jul 10, 2019 at 10:30 PM KARR, DAVID <dk0...@att.com> wrote:
>
> I work on a team with a bunch of git repos that are Java, Maven, and
> Spring Boot projects. We all configure Eclipse somewhat similarly,
> although I'm sure many of the other developers on the team have variations
> that I don't expect. We install the Spring IDE and Groovy plugins, and we
> (not all of us) are on 2019-06.
>
> There is one project that occasionally presents problems, perhaps because
> it has one additional element that other projects don't have. It uses the
> "jsonschema2pojo-maven-plugin" and "build-helper-maven-plugin" to generate
> class files for json marshalling.
>
> Typically, when I import projects, I right-click on the git repository
> entry and select "Import Projects...". This works fine for almost
> everything I work on, but it occasionally has trouble with this project. I
> had this working in my workspace, but another developer reported problems
> with this, and I couldn't get it to work on his, so I removed my imported
> project (which was currently working fine), along with the .project,
> .classpath, and .settings, and tried importing it again, and it's not
> working properly, similar to what he is seeing.
>
> I've now tried importing the project both with "Import Projects..." and
> "Import Existing Maven Projects", and the results are basically the same.
> The result is that it doesn't think it's a Java project, and it doesn't
> recognize the existing src/{main,test}/java folders, not to mention the
> target/java-gen folder where the generated classes are stored. It does
> acknowledge it's a Maven project, but nothing works because of those other
> problems.
>
> Fortunately, I have a workaround, but it's not very good. I simply ask
> someone else who has this project opened, who does not have this problem,
> to send me their .project and .classpath files, and I copy them in, and
> then reimport the project. It is now fine.
>
> If it will help, right now I could provide the .project and .classpath
> file that we need for it to work. I could iterate through this scenario
> again (first saving those two files in a safe place) and produce the
> original resulting dot files, if you think that would be useful.
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>
>
>
> --
>
> "Have you tried turning it off and on again" - The IT Crowd
>
> And if that fails, then http://goo.gl/tnBgH5
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