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[OH3] NPE when trying to display a chart #1778

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lolodomo opened this issue Oct 31, 2020 · 3 comments
Closed

[OH3] NPE when trying to display a chart #1778

lolodomo opened this issue Oct 31, 2020 · 3 comments

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@lolodomo
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lolodomo commented Oct 31, 2020 •
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With sanpshot 1995, it looks like rrd4j is working again, I have files created for my Number:Temperature items.
Unfortunately, when I try to display a chart (in Basic UI), I got this exception:

12:06:44.525 [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.Legend.getSeriesTextBounds(Legend.java:302) ~[?:?]
        at org.knowm.xchart.internal.chartpart.Legend.determineLegendBoxSize(Legend.java:84) ~[?:?]
        at org.knowm.xchart.internal.chartpart.ChartPainter.paint(ChartPainter.java:112) ~[?:?]
        at org.knowm.xchart.Chart.paint(Chart.java:102) ~[?:?]
        at org.openhab.core.ui.internal.chart.defaultchartprovider.DefaultChartProvider.createChart(DefaultChartProvider.java:258) ~[?:?]
        at org.openhab.core.ui.internal.chart.ChartServlet.doGet(ChartServlet.java:311) ~[?:?]
        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:852) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:544) ~[bundleFile:9.4.20.v20190813]
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[bundleFile:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:536) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1581) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1307) ~[bundleFile:9.4.20.v20190813]
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:293) ~[bundleFile:?]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:482) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1549) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1204) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[bundleFile:9.4.20.v20190813]
        at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) ~[bundleFile:?]
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.Server.handle(Server.java:494) ~[bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:374) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:268) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:367) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:782) [bundleFile:9.4.20.v20190813]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:918) [bundleFile:9.4.20.v20190813]
        at java.lang.Thread.run(Thread.java:834) [?:?]
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) ~[?:?]
        ... 48 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) ~[?:?]
        ... 48 more

Something relative to FontManagerFactory...

My server is a RPI 3:

$ uname -a
Linux ******* 5.4.51-v7+ #1333 SMP Mon Aug 10 16:45:19 BST 2020 armv7l GNU/Linux
$ java -version
openjdk version "11.0.8" 2020-07-14 LTS
OpenJDK Runtime Environment Zulu11.41+75-CA (build 11.0.8+10-LTS)
OpenJDK Client VM Zulu11.41+75-CA (build 11.0.8+10-LTS, mixed mode)
@lolodomo
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lolodomo commented Oct 31, 2020 •
edited
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After a WEB search, it could be a problem with OpenJDK.
FontConfig could be not installed on my server.

@lolodomo
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lolodomo commented Oct 31, 2020 •
edited
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Found the solution on the forum:

sudo apt install libfontconfig1 fontconfig ttf-dejavu

@leruaa leruaa mentioned this issue Jan 1, 2021
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@openhab-bot
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This issue has been mentioned on openHAB Community. There might be relevant details there:

https://community.openhab.org/t/oh3-0-0-chart-sitemap-not-showing/111861/7

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