All-
I just migrated from OpenHAB 2.5 to OpenHAB 3.1 on a Synology DiskStation 218+ running DSM 6.2. I installed the Azul Java 11 package as required. None of my charts are rendering in the BasicUI. I attach a copy of my log below. It appears there are fonts missing. The Azul site indicates there are no fonts included with Java 11. All of the topics I have found re. missing fonts suggest using fontconfig1, which I cannot use on the Synology because their version of Linux does not support apt install. I attempted the solution suggested here: RRD does not work - java null exception · Issue #32 · openhab/openhab-syno-spk · GitHub (namely copying fonts from Raspberry pi to /etc/fonts and /user/share/fonts), but that does not work. Notably, others in that thread (which is closed) mentioned that solution also failed for them.
Does anyone know how I can install the required fonts to get my charts working again? Charts were working fine with OH2.5 and Java 8.
Many thanks,
-Mark
2021-07-11 10:08:53.445 [WARN ] [org.eclipse.jetty.server.HttpChannel] - /chart
java.lang.InternalError: java.lang.reflect.InvocationTargetException
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:86) ~[?:?]
at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
at sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74) ~[?:?]
at java.awt.Font.getFont2D(Font.java:497) ~[?:?]
at java.awt.Font.defaultLineMetrics(Font.java:2366) ~[?:?]
at java.awt.Font.getLineMetrics(Font.java:2473) ~[?:?]
at java.awt.font.TextLayout.fastInit(TextLayout.java:597) ~[?:?]
at java.awt.font.TextLayout.<init>(TextLayout.java:392) ~[?:?]
at org.knowm.xchart.internal.chartpart.AxisTickCalculator.willLabelsFitInTickSpaceHint(AxisTickCalculator.java:148) ~[?:?]
at org.knowm.xchart.internal.chartpart.AxisTickDateCalculator.calculate(AxisTickDateCalculator.java:214) ~[?:?]
at org.knowm.xchart.internal.chartpart.AxisTickDateCalculator.<init>(AxisTickDateCalculator.java:115) ~[?:?]
at org.knowm.xchart.internal.chartpart.Axis.getAxisTickCalculator(Axis.java:363) ~[?:?]
at org.knowm.xchart.internal.chartpart.Axis.getXAxisHeightHint(Axis.java:286) ~[?:?]
at org.knowm.xchart.internal.chartpart.Axis.paint(Axis.java:180) ~[?:?]
at org.knowm.xchart.internal.chartpart.AxisPair.paint(AxisPair.java:147) ~[?:?]
at org.knowm.xchart.internal.chartpart.ChartPainter.paint(ChartPainter.java:114) ~[?:?]
at org.knowm.xchart.Chart.paint(Chart.java:102) ~[?:?]
at org.openhab.core.ui.internal.chart.defaultchartprovider.DefaultChartProvider.createChart(DefaultChartProvider.java:259) ~[?:?]
at org.openhab.core.ui.internal.chart.ChartServlet.doGet(ChartServlet.java:318) ~[?:?]
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) [?:?]
Caused by: java.lang.reflect.InvocationTargetException
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:84) ~[?:?]
... 55 more
Caused by: java.lang.NullPointerException
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1262) ~[?:?]
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:225) ~[?:?]
at sun.awt.FontConfiguration.init(FontConfiguration.java:107) ~[?:?]
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:719) ~[?:?]
at sun.font.SunFontManager$2.run(SunFontManager.java:379) ~[?:?]
at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
at sun.font.SunFontManager.<init>(SunFontManager.java:324) ~[?:?]
at sun.awt.FcFontManager.<init>(FcFontManager.java:35) ~[?:?]
at sun.awt.X11FontManager.<init>(X11FontManager.java:56) ~[?:?]
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
at java.lang.reflect.Constructor.newInstance(Constructor.java:490) ~[?:?]
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:84) ~[?:?]
... 55 more