OH 4.1.0.RC1 error reporting at startup (coming from OH3.x)

I get the following error messages.
What is wrong / missing

2024-01-04 03:03:13.259 [WARN ] [/                                   ] - unavailable
java.lang.RuntimeException: Unable to load org.eclipse.jetty.websocket.server.WebSocketServerFactory
	at org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.load(WebSocketServletFactory.java:54) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.websocket.servlet.WebSocketServlet.init(WebSocketServlet.java:140) ~[bundleFile:9.4.52.v20230823]
	at javax.servlet.GenericServlet.init(GenericServlet.java:180) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.init(OsgiInitializedServlet.java:68) ~[bundleFile:?]
	at org.eclipse.jetty.servlet.ServletHolder$Wrapper.init(ServletHolder.java:1345) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:632) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:486) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:759) ~[bundleFile:9.4.52.v20230823]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHolder.prepare(PaxWebServletHolder.java:295) ~[bundleFile:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:316) ~[bundleFile:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[bundleFile:9.4.52.v20230823]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[bundleFile:?]
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:731) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [bundleFile:9.4.52.v20230823]
	at java.lang.Thread.run(Thread.java:840) [?:?]
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.websocket.server.WebSocketServerFactory cannot be found by org.openhab.binding.shelly_4.1.0.RC1
	at org.eclipse.osgi.internal.loader.BundleLoader.generateException(BundleLoader.java:541) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass0(BundleLoader.java:536) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:416) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:168) ~[org.eclipse.osgi-3.18.0.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
	at java.lang.Class.forName0(Native Method) ~[?:?]
	at java.lang.Class.forName(Class.java:467) ~[?:?]
	at org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.load(WebSocketServletFactory.java:48) ~[bundleFile:9.4.52.v20230823]
	... 42 more
2024-01-04 03:03:13.314 [WARN ] [org.eclipse.jetty.server.HttpChannel] - /shelly/wsevent
javax.servlet.ServletException: javax.servlet.ServletException: java.lang.RuntimeException: Unable to load org.eclipse.jetty.websocket.server.WebSocketServerFactory
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:103) ~[?:?]
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:731) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [bundleFile:9.4.52.v20230823]
	at java.lang.Thread.run(Thread.java:840) [?:?]
Caused by: javax.servlet.ServletException: java.lang.RuntimeException: Unable to load org.eclipse.jetty.websocket.server.WebSocketServerFactory
	at org.eclipse.jetty.websocket.servlet.WebSocketServlet.init(WebSocketServlet.java:147) ~[?:?]
	at javax.servlet.GenericServlet.init(GenericServlet.java:180) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.init(OsgiInitializedServlet.java:68) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder$Wrapper.init(ServletHolder.java:1345) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:632) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:486) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:759) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHolder.prepare(PaxWebServletHolder.java:295) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:316) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[?:?]
	... 18 more
Caused by: java.lang.RuntimeException: Unable to load org.eclipse.jetty.websocket.server.WebSocketServerFactory
	at org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.load(WebSocketServletFactory.java:54) ~[?:?]
	at org.eclipse.jetty.websocket.servlet.WebSocketServlet.init(WebSocketServlet.java:140) ~[?:?]
	at javax.servlet.GenericServlet.init(GenericServlet.java:180) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.init(OsgiInitializedServlet.java:68) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder$Wrapper.init(ServletHolder.java:1345) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:632) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:486) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:759) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHolder.prepare(PaxWebServletHolder.java:295) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:316) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[?:?]
	... 18 more
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.websocket.server.WebSocketServerFactory cannot be found by org.openhab.binding.shelly_4.1.0.RC1
	at org.eclipse.osgi.internal.loader.BundleLoader.generateException(BundleLoader.java:541) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass0(BundleLoader.java:536) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:416) ~[org.eclipse.osgi-3.18.0.jar:?]
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:168) ~[org.eclipse.osgi-3.18.0.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
	at java.lang.Class.forName0(Native Method) ~[?:?]
	at java.lang.Class.forName(Class.java:467) ~[?:?]
	at org.eclipse.jetty.websocket.servlet.WebSocketServletFactory$Loader.load(WebSocketServletFactory.java:48) ~[?:?]
	at org.eclipse.jetty.websocket.servlet.WebSocketServlet.init(WebSocketServlet.java:140) ~[?:?]
	at javax.servlet.GenericServlet.init(GenericServlet.java:180) ~[bundleFile:4.0.4]
	at org.ops4j.pax.web.service.spi.servlet.OsgiInitializedServlet.init(OsgiInitializedServlet.java:68) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder$Wrapper.init(ServletHolder.java:1345) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:632) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:486) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:759) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHolder.prepare(PaxWebServletHolder.java:295) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PaxWebServletHandler.doHandle(PaxWebServletHandler.java:316) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.52.v20230823]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.PrioritizedHandlerCollection.handle(PrioritizedHandlerCollection.java:96) ~[?:?]
	... 18 more

Makes no sense to upgrade to RC1 while the final 4.1 release is published.

Your problem with the Shelly binding was fixed recently and this fix will be included in 4.1.patch 1 coming soon.

Will wait for patch 1 and then go to 4.1.0