does this have any chance of working?

Jenkinsfile.run-tests-with-build-temp

configFileProvider(
        [configFile(fileId: "settings-local-maven-repo-nexus",
         targetLocation: '$WORKSPACE/maven-invoker-settings.xml',
         variable: 'MAVEN_INVOKER_SETTINGS')]) {
         
        def mvnCmd = new MavenCommand(this, ['-fae'])
            .inDirectory(env.MAIN_FOLDER)
            .withOptions(["-f ${env.MAVEN_PROJECT}"])
            .withProperty('java.net.preferIPv4Stack', true) // Added due to Openstack problems with IPv6
            .withProperty(env.POM_FILE_PROPERTY, kogitoProps.getProp(env.PROPERTIES_FILE_LOOKUP_KEY))
            .withProperty('native', nativeBuild)
            .withProperty('invoker.settings.xml.file', ${env.MAVEN_INVOKER_SETTINGS})


        if (env.MAVEN_EXTRA_PROPERTIES) {
            env.MAVEN_EXTRA_PROPERTIES.split("\\|").each {
                mvnCmd.withProperty(it)
            }
        }

        try {
            mvnCmd.run('clean verify')
        } catch (err) {
            unstable('Error in maven testing')
        } finally {
            // Archive
            junit '**/target/surefire-reports/TEST-*.xml, **/target/failsafe-reports/TEST-*.xml'
            archiveArtifacts artifacts: '**/*.log', allowEmptyArchive: true

            // Cleanup
            cloud.cleanContainersAndImages('docker')
        }
    }