Having ploughed through numerous posts regarding this issue and not (yet) able to find a suitable solution, I was wondering if someone has an “easy” solution to get RRD4J charts to show on a Synology DS214+ which, unfortunately, has no Docker ability.
I am looking to do some basic charting of temperature, no fancy stuff, any alternatives to RRD4J also very welcome! (grafana / influxDB not an option due to type of NAS…)
Yes, in HABPanel building a chart using n3-line-chart does work using rrd4j data, but rrd4j charts don’t show up. So I’m unable to show charts in sitemap until now. Is there a way to show n3 in sitemap?
java.lang.NoClassDefFoundError: Could not initialize class org.rrd4j.graph.RrdGraphConstants
at org.rrd4j.graph.RrdGraphDef.<init>(RrdGraphDef.java:80) ~[?:?]
at org.openhab.persistence.rrd4j.internal.charts.RRD4jChartServlet.createChart(RRD4jChartServlet.java:261) ~[?:?]
at org.openhab.persistence.rrd4j.internal.charts.RRD4jChartServlet.service(RRD4jChartServlet.java:161) ~[?:?]
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:748) [?:1.8.0_212]
2020-11-15 19:02:31.653 [WARN ] [io.http.servlet.BaseSmartHomeServlet] - Chart generation failed: null
This the sitemap file:
sitemap default label="My first sitemap"
{
Text item=TS_WK_TMP label="Woonkamer temperatuur"
Chart item=TS_WK_TMP period=D refresh=30000
Switch item=HT_DMND_KKN label="Keuken warmtevraag"
}