Errors when deploying the .kar file

Use the attached kar file, it can be deployed successfully in 6.2.1R10. But failed in 7.10. Pls check the logs attached. Steps in 6.2.1R10 features:install kar copy kar to the $Fuse/deploy dir. Steps in 7.10: copy kar to the $Fuse/deploy dir. logs: Caused by: shaded.org.eclipse.aether.resolution.ArtifactResolutionException: Error resolving artifact my.groupId:my-kar:xml:features:2.3 at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:413) ~[?:?] at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:215) ~[?:?] at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:192) ~[?:?] at shaded.org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:247) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:767) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:657) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:598) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:565) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:555) ~[?:?] at org.ops4j.pax.url.mvn.internal.Connection.getInputStream(Connection.java:123) ~[?:?] at java.net.URL.openStream(URL.java:1165) ~[?:?] at org.apache.karaf.features.internal.service.RepositoryImpl.load(RepositoryImpl.java:113) ~[?:?] ... 13 more 10:51:50.778 ERROR [fileinstall-/Users/wuxiaohui/apps/fuse-karaf-7.10.0.fuse-7_10_1-00008-redhat-00001/deploy] Failed to install artifact: /Users/wuxiaohui/apps/fuse-karaf-7.10.0.fuse-7_10_1-00008-redhat-00001/deploy/my-kar-2.3.kar java.lang.NullPointerException: null at org.apache.karaf.kar.internal.KarServiceImpl.findMissingDependency(KarServiceImpl.java:164) ~[?:?] at org.apache.karaf.kar.internal.KarServiceImpl.install(KarServiceImpl.java:115) ~[?:?] at org.apache.karaf.kar.internal.KarServiceImpl.install(KarServiceImpl.java:94) ~[?:?] at org.apache.karaf.kar.internal.KarServiceImpl.install(KarServiceImpl.java:86) ~[?:?] at org.apache.karaf.deployer.kar.KarArtifactInstaller.install(KarArtifactInstaller.java:50) ~[?:?] at org.apache.felix.fileinstall.internal.DirectoryWatcher.install(DirectoryWatcher.java:950) [!/:3.6.8] at org.apache.felix.fileinstall.internal.DirectoryWatcher.install(DirectoryWatcher.java:884) [!/:3.6.8] at org.apache.felix.fileinstall.internal.DirectoryWatcher.doProcess(DirectoryWatcher.java:489) [!/:3.6.8] at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:365) [!/:3.6.8] at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:316) [!/:3.6.8]