Problem running Apache Gump [vmgump]

There is a problem with run 'vmgump' (06112022_120002), location : http://gump-vm2.apache.org/
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The log ought be at:
   http://gump-vm2.apache.org/gump_log.txt
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The last (up to) 50 lines of the log are :
	at java.base/sun.nio.ch.Net.bind0(Native Method)
	at java.base/sun.nio.ch.Net.bind(Net.java:459)
	at java.base/sun.nio.ch.Net.bind(Net.java:448)
	at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)
	at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)
	at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:211)
	at org.mortbay.jetty.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:309)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at org.mortbay.jetty.Server.doStart(Server.java:228)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at com.noelios.restlet.ext.jetty.JettyServerHelper.start(JettyServerHelper.java:386)
	at org.restlet.Server.start(Server.java:383)
	at org.restlet.Component.startServers(Component.java:1233)
	at org.restlet.Component.start(Component.java:1194)
	at org.apache.gump.mvnrepoproxy.Main.main(Main.java:122)
2022-11-06 12:00:10.767::WARN:  failed JettyServerHelper$WrappedServer@4501b7af
java.net.BindException: Address already in use
	at java.base/sun.nio.ch.Net.bind0(Native Method)
	at java.base/sun.nio.ch.Net.bind(Net.java:459)
	at java.base/sun.nio.ch.Net.bind(Net.java:448)
	at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)
	at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)
	at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:211)
	at org.mortbay.jetty.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:309)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at org.mortbay.jetty.Server.doStart(Server.java:228)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at com.noelios.restlet.ext.jetty.JettyServerHelper.start(JettyServerHelper.java:386)
	at org.restlet.Server.start(Server.java:383)
	at org.restlet.Component.startServers(Component.java:1233)
	at org.restlet.Component.start(Component.java:1194)
	at org.apache.gump.mvnrepoproxy.Main.main(Main.java:122)
java.net.BindException: Address already in use
	at java.base/sun.nio.ch.Net.bind0(Native Method)
	at java.base/sun.nio.ch.Net.bind(Net.java:459)
	at java.base/sun.nio.ch.Net.bind(Net.java:448)
	at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)
	at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)
	at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:211)
	at org.mortbay.jetty.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:309)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at org.mortbay.jetty.Server.doStart(Server.java:228)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
	at com.noelios.restlet.ext.jetty.JettyServerHelper.start(JettyServerHelper.java:386)
	at org.restlet.Server.start(Server.java:383)
	at org.restlet.Component.startServers(Component.java:1233)
	at org.restlet.Component.start(Component.java:1194)
	at org.apache.gump.mvnrepoproxy.Main.main(Main.java:122)
Killed
Process Exit Code : 137
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Gump Version: 2.0.2-alpha-0003