I noticed today that Sitemap Charts are now failing to render. See screenshot and respective crash dump below. I am running 3.2.0.M2. Any suggestions how to fix it?
2021-09-20 22:57:14.981 [WARN ] [e.io.http.servlet.BaseOpenHABServlet] - Chart generation failed: null
2021-09-20 22:57:14.969 [WARN ] [org.eclipse.jetty.server.HttpChannel] - /chart
java.lang.IllegalStateException: COMMITTED
at org.eclipse.jetty.server.HttpChannelState.sendError(HttpChannelState.java:896) ~[?:?]
at org.eclipse.jetty.server.Response.sendError(Response.java:471) ~[?:?]
at org.openhab.core.ui.internal.chart.ChartServlet.doGet(ChartServlet.java:339) ~[?:?]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) ~[bundleFile:3.1.0]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[bundleFile:3.1.0]
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:791) ~[?:?]
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550) ~[?:?]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435) ~[bundleFile:9.4.40.v20210413]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:294) ~[?:?]
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[bundleFile:9.4.40.v20210413]
at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:882) [bundleFile:9.4.40.v20210413]
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1036) [bundleFile:9.4.40.v20210413]
at java.lang.Thread.run(Thread.java:829) [?:?]