Hi everyone here
I’m quite frustrated. I tried to setup rrd4j persistence and store the temperature data of one item. But for some reason I can not get any Grafik in my sitemap.
I use Raspberry Pi 3 as my server.
I have set the log unter DEBUG and I can see the Temperature will be written in the the Database. I can find the database under
“var/lib/openhab2/persistence/rrd4j”.
When I deleted the Database, it will be crated again wenn the temperature update again.
So I think the configuration for and Setting for the database should be O.K.
The WARN is: Chart generation failed: null
so the whole DEBUG is:
00:40:47.291 [DEBUG] [rthome.ui.internal.chart.ChartServlet] - Received incoming chart request: Request(GET //192.168.178.40:8080/chart?items=F2_Bathroom_Temperature&period=h&random=100&service=rrd4j)@4b5341
00:40:47.343 [DEBUG] [rthome.ui.internal.chart.ChartServlet] - No begin or end is specified, use now as end and now-period as begin.
00:40:47.379 [DEBUG] [rthome.ui.internal.chart.ChartServlet] - chart building with width 480 height 240 dpi null
00:40:47.397 [DEBUG] [ultchartprovider.DefaultChartProvider] - Rendering chart: service: 'rrd4j', theme: 'null', startTime: 'Sun Oct 21 23:40:47 CEST 2018', endTime: 'Mon Oct 22 00:40:47 CEST 2018', width: '480', height: '240', items: 'F2_Bathroom_Temperature', groups: 'null', dpi: 'null', legend: 'null'
00:40:47.461 [WARN ] [rthome.ui.internal.chart.ChartServlet] - Chart generation failed: null
java.lang.NullPointerException: null
at sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1264) [?:?]
at sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:219) [?:?]
at sun.awt.FontConfiguration.init(FontConfiguration.java:107) [?:?]
at sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:774) [?:?]
at sun.font.SunFontManager$2.run(SunFontManager.java:431) [?:?]
at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
at sun.font.SunFontManager.<init>(SunFontManager.java:376) [?:?]
at sun.awt.FcFontManager.<init>(FcFontManager.java:35) [?:?]
at sun.awt.X11FontManager.<init>(X11FontManager.java:57) [?:?]
at sun.reflect.GeneratedConstructorAccessor227.newInstance(Unknown Source) [?:?]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [?:?]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) [?:?]
at java.lang.Class.newInstance(Class.java:442) [?:?]
at sun.font.FontManagerFactory$1.run(FontManagerFactory.java:83) [?:?]
at java.security.AccessController.doPrivileged(Native Method) ~[?:?]
at sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74) [?:?]
at java.awt.Font.getFont2D(Font.java:491) [?:?]
at java.awt.Font.defaultLineMetrics(Font.java:2176) [?:?]
at java.awt.Font.getLineMetrics(Font.java:2283) [?:?]
at java.awt.font.TextLayout.fastInit(TextLayout.java:598) [?:?]
at java.awt.font.TextLayout.<init>(TextLayout.java:393) [?:?]
at org.knowm.xchart.internal.chartpart.AxisTickCalculator.willLabelsFitInTickSpaceHint(AxisTickCalculator.java:148) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.AxisTickDateCalculator.calculate(AxisTickDateCalculator.java:214) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.AxisTickDateCalculator.<init>(AxisTickDateCalculator.java:115) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.Axis.getAxisTickCalculator(Axis.java:363) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.Axis.getXAxisHeightHint(Axis.java:286) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.Axis.paint(Axis.java:180) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.AxisPair.paint(AxisPair.java:147) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.internal.chartpart.ChartPainter.paint(ChartPainter.java:114) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.knowm.xchart.Chart.paint(Chart.java:102) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.eclipse.smarthome.ui.internal.chart.defaultchartprovider.DefaultChartProvider.createChart(DefaultChartProvider.java:300) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at org.eclipse.smarthome.ui.internal.chart.ChartServlet.doGet(ChartServlet.java:316) [147:org.eclipse.smarthome.ui:0.10.0.oh230]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) [31:javax.servlet-api:3.1.0]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [31:javax.servlet-api:3.1.0]
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [82:org.eclipse.jetty.security:9.3.21.v20170918]
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:284) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) [85:org.eclipse.jetty.servlet:9.3.21.v20170918]
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80) [183:org.ops4j.pax.web.pax-web-jetty:6.0.9]
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.Server.handle(Server.java:534) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) [84:org.eclipse.jetty.server:9.3.21.v20170918]
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) [76:org.eclipse.jetty.io:9.3.21.v20170918]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) [76:org.eclipse.jetty.io:9.3.21.v20170918]
at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) [76:org.eclipse.jetty.io:9.3.21.v20170918]
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) [87:org.eclipse.jetty.util:9.3.21.v20170918]
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) [87:org.eclipse.jetty.util:9.3.21.v20170918]
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) [87:org.eclipse.jetty.util:9.3.21.v20170918]
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) [87:org.eclipse.jetty.util:9.3.21.v20170918]
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) [87:org.eclipse.jetty.util:9.3.21.v20170918]
at java.lang.Thread.run(Thread.java:748) [?:?]
Thanks very much when someone can help me. I don’t have ideas anymore.