1. I try to build and run apache cloudstack in my local
   from https://github.com/apache/cloudstack and
   use branch either 4.17-user-shared-networks or main I got below error in step 3

2. follow these step until the run jetty step under Build CloudStack
   
   $ mvn -pl :cloud-client-ui jetty:run # Run the management server on port 8080
   
   from https://cwiki.apache.org/confluence/display/CLOUDSTACK/Setting+up+CloudStack+Development+Environment+on+Linux

3. getting below error:
   
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-5:null) (logid:) SSL error caught during wrap data: Empty server certificate chain, for local address=/192.168.0.104:8250, remote address=/192.168.0.104:56606.
   WARN [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-11:null) (logid:) This SSL engine was forced to close inbound due to end of stream.
   javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:133)
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:336)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:292)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:283)
   at java.base/sun.security.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:733)
   at com.cloud.utils.nio.Link.doHandshakeUnwrap(Link.java:490)
   at com.cloud.utils.nio.Link.doHandshake(Link.java:618)
   at com.cloud.utils.nio.NioConnection$1.run(NioConnection.java:216)
   at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
   at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
   at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
   at java.base/java.lang.Thread.run(Thread.java:829)
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-11:null) (logid:) Failed to send server's CLOSE message due to socket channel's failure.
   INFO [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-7:null) (logid:) Connection from /192.168.0.104 closed but no cleanup was done.
   
   
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-11:null) (logid:) SSL error caught during wrap data: Empty server certificate chain, for local address=/192.168.0.104:8250, remote address=/192.168.0.104:56610.
   WARN [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-4:null) (logid:) This SSL engine was forced to close inbound due to end of stream.
   javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:133)
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:336)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:292)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:283)
   at java.base/sun.security.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:733)
   at com.cloud.utils.nio.Link.doHandshakeUnwrap(Link.java:490)
   at com.cloud.utils.nio.Link.doHandshake(Link.java:618)
   at com.cloud.utils.nio.NioConnection$1.run(NioConnection.java:216)
   at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
   at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
   at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
   at java.base/java.lang.Thread.run(Thread.java:829)
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-4:null) (logid:) Failed to send server's CLOSE message due to socket channel's failure.
   INFO [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-8:null) (logid:) Connection from /192.168.0.104 closed but no cleanup was done.
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-5:null) (logid:) SSL error caught during wrap data: Empty server certificate chain, for local address=/192.168.0.104:8250, remote address=/192.168.0.104:56612.
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-5:null) (logid:) SSL error caught during wrap data: Empty server certificate chain, for local address=/192.168.0.104:8250, remote address=/192.168.0.104:56616.
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-4:null) (logid:) SSL error caught during wrap data: Empty server certificate chain, for local address=/192.168.0.104:8250, remote address=/192.168.0.104:56618.
   WARN [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-9:null) (logid:) This SSL engine was forced to close inbound due to end of stream.
   javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:133)
   at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:336)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:292)
   at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:283)
   at java.base/sun.security.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:733)
   at com.cloud.utils.nio.Link.doHandshakeUnwrap(Link.java:490)
   at com.cloud.utils.nio.Link.doHandshake(Link.java:618)
   at com.cloud.utils.nio.NioConnection$1.run(NioConnection.java:216)
   at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
   at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
   at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
   at java.base/java.lang.Thread.run(Thread.java:829)
   ERROR [c.c.u.n.Link] (AgentManager-SSLHandshakeHandler-9:null) (logid:) Failed to send server's CLOSE message due to socket channel's failure.

I stucked and I'm new to apache cloudstack and my environments: ubuntu 20.04.

Can anyone suggest me how to fix that issue?