Thank you for the report: yes, this should be improved to work in current
latest version of everything
I updated the command line to use version 1.3 of maven-archetype-quickstart,
which is the latest version and compiles with Java 7 target.
Unfortunately, when build with Java 11, the build now fails during tests with
a known NPE issue: we need a new version of the archetype with updated maven-
surefire-plugin versions that has this issue fixed (I just created
MARCHETYPES-63 [1] to track the fix)...
Once the version 1.4 of the archetype will be released, we'll have to update
the documentation.
While waiting the updated archetype, don't hesitate to use the "edit" button
in the breadcrumb and provide a Pull Request to explain about the current
failure with Java 11 that will be fixed soon...
Regards,
Hervé
[1] https://issues.apache.org/jira/browse/MARCHETYPES-63
Le lundi 3 décembre 2018, 15:56:27 CET Steve Ramage a écrit :
> If I follow the steps listed here
> (https://maven.apache.org/guides/getting-started/maven-in-five-minutes.html
> ) :
>
>
>
> mkdir scratch; pushd scratch; mvn archetype:generate
> -DgroupId=com.mycompany.app -DartifactId=my-app
> -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false;
> cd my-app; mvn package; mvn clean dependency:copy-dependencies package; mvn
> site
>
>
>
> I get several crashes. The first of which is:
>
>
>
> [INFO] -
> [ERROR] COMPILATION ERROR :
> [INFO] -
> [ERROR] Source option 5 is no longer supported. Use 6 or later.
> [ERROR] Target option 1.5 is no longer supported. Use 1.6 or later.
>
>
> Even if I fix that error I get another error later.
>
>
>
> [INFO] --< com.mycompany.app:my-app
> >-- [INFO] Building my-app 1.0-SNAPSHOT
> [INFO] [ jar
> ]- [INFO]
> [INFO] --- maven-site-plugin:3.3:site (default-site) @ my-app ---
> [WARNING] Report plugin
> org.apache.maven.plugins:maven-project-info-reports-plugin has an empty
> version. [WARNING]
> [WARNING] It is highly recommended to fix these problems because they
> threaten the stability of your build. [WARNING]
> [WARNING] For this reason, future Maven versions might no longer support
> building such malformed projects. [INFO] configuring report plugin
> org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0 [WARNING]
> Error injecting: org.apache.maven.report.projectinfo.CiManagementReport
> java.lang.NoClassDefFoundError:
> org/apache/maven/doxia/siterenderer/DocumentContent at
> java.lang.Class.getDeclaredConstructors0 (Native Method)
> at java.lang.Class.privateGetDeclaredConstructors (Class.java:3138)
> at java.lang.Class.getDeclaredConstructors (Class.java:2358)
> at com.google.inject.spi.InjectionPoint.forConstructorOf
> (InjectionPoint.java:245) ...
> at
> org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMoj
> o (DefaultMavenPluginManager.java:520) at
> org.apache.maven.reporting.exec.DefaultMavenReportExecutor.getConfiguredMav
> enReport (DefaultMavenReportExecutor.java:306) at
> org.apache.maven.reporting.exec.DefaultMavenReportExecutor.buildReportPlugi
> n (DefaultMavenReportExecutor.java:263) at
> org.apache.maven.reporting.exec.DefaultMavenReportExecutor.buildMavenReport
> s (DefaultMavenReportExecutor.java:154) at
> org.apache.maven.plugins.site.AbstractSiteRenderingMojo.getReports
> (AbstractSiteRenderingMojo.java:235) at
> org.apache.maven.plugins.site.SiteMojo.execute (SiteMojo.java:121) ...
> at org.codehaus.plexus.classworlds.launcher.Launcher.main
> (Launcher.java:356) Caused by: java.lang.ClassNotFoundException:
> org.apache.maven.doxia.siterenderer.DocumentContent at
> org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass
> (SelfFirstStrategy.java:50) ...
>
>
>
>
> $mvn --version
>
> Apache Maven 3.6.0 (NON-CANONICAL_2018-11-06T03:14:22+01:00_root;
> 2018-11-05T18:14:22-08:00) Maven home: /opt/maven
> Java version: 11.0.1, vendor: Oracle Corporation, runtime:
> /usr/lib/jvm/java-11-openjdk Default locale: en_US, platform encoding:
> UTF-8
> OS name: "linux", version: "4.14.84-1-lts", arch: "amd64", family: "unix"
>
> Anyway I think the generated archetype should actually work with the maven
> version I'm using (especially because the advice on getting help is to run
> the latest), or failing that the Getting Started Guide should include the
> descriptions on how to fix them, imho.
>
> Cheers,
>
> Steve Ramage
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