karaf4.1.8 deployed to tomcat 9.0.17.0 met error : Could not resolve mvn:org.apache.felix/org.apache.felix.framework/5.4.0

[dtbdtb]

Server version: Apache Tomcat/9.0.17,

JVM Version: 1.8.0_341-b10,

karaf: 4.1.8,

we download code from https://github.com/apache/karaf/tree/karaf-4.1.x/demos/web.

we Extract the downloaded zip and navigate to demos\web.You will find a pom file there.

we Open a command prompt navigate to this directory(demos\web) and run mvn clean install to build the maven project:

mvn clean install

and we put this war into tomcat/webapps ,

and start tomcat by opening a command prompt navigate to the bin folder of tomcat and run:

catalina.bat run

and met error :

contextInitialized
Root: C:\tomcat9\webapps\web-4.1.8-SNAPSHOT\WEB-INF\karaf
java.lang.RuntimeException: Could not resolve mvn:org.apache.felix/org.apache.felix.framework/5.4.0
at org.apache.karaf.main.util.SimpleMavenResolver.resolve(SimpleMavenResolver.java:59)
at org.apache.karaf.main.Main.createClassLoader(Main.java:458)
at org.apache.karaf.main.Main.launch(Main.java:255)
at org.apache.karaf.web.WebAppListener.contextInitialized(WebAppListener.java:45)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4682)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5150)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:713)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:978)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1850)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:773)

can anyone give us some advice ?