building on centos9 stream fails

[f1-outsourcing]

[WARNING] [WARNING] Some problems were encountered while building the effective model for net.oneandone.cosmo:cosmo-webapp:war:3.7.4 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-war-plugin is missing. @ line 59, column 12 [WARNING] 'build.plugins.plugin.version' for org.springframework.boot:spring-boot-maven-plugin is missing. @ line 55, column 12 [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. [WARNING]

[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.7.4:run (default-cli) on project cosmo-webapp: Application finished with exit code: 1 -> [Help 1]