here the error
2023-08-03 21:37:40.550:INFO::main: Logging initialized @1311ms to org.eclipse.jetty.util.log.StdErrLog
2023-08-03 21:37:41.575:INFO
ejs.Server:main: jetty-9.4.z-SNAPSHOT; built: 2018-05-03T15:56:21.710Z; git: daa59876e6f384329b122929e70a80934569428c; jvm 1.8.0_371-b11
2023-08-03 21:37:42.027:INFO
ejs.session:main: No SessionScavenger set, using defaults
2023-08-03 21:37:42.036:INFO
ejs.session:main: node0 Scavenging every 660000ms
2023-08-03 21:37:42.027:INFO
ejs.session:main: No SessionScavenger set, using defaults
2023-08-03 21:37:42.036:INFO
ejs.session:main: node0 Scavenging every 660000ms
2023-08-03 21:37:42.191:INFO
ejsh.ContextHandler:main: Started o.e.j.s.ServletContextHandler@520a3426{/,file:///C:/Users/Administrator/Downloads/IoTExample/IoTExample/Edison/Objects/www/,AVAILABLE}
2023-08-03 21:37:42.259:INFO
ejs.AbstractNCSARequestLog:main: Opened C:\Users\Administrator\Downloads\IoTExample\IoTExample\Edison\Objects\logs\b4j-2023_08_04.request.log
main._appstart (java line: 72)
java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:438)
at sun.nio.ch.Net.bind(Net.java:430)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:225)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:340)
at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:308)
at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)
at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:244)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.jetty.server.Server.doStart(Server.java:398)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at anywheresoftware.b4j.object.ServerWrapper.Start(ServerWrapper.java:220)
at b4j.example.main._appstart(main.java:72)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:111)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:98)
at b4j.example.main.main(main.java:28)
main.main (java line: 28)
java.lang.RuntimeException: java.net.BindException: Address already in use: bind
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:140)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:98)
at b4j.example.main.main(main.java:28)
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:438)
at sun.nio.ch.Net.bind(Net.java:430)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:225)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:340)
at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:308)
at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)
at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:244)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at org.eclipse.jetty.server.Server.doStart(Server.java:398)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at anywheresoftware.b4j.object.ServerWrapper.Start(ServerWrapper.java:220)
at b4j.example.main._appstart(main.java:72)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:111)
... 2 more