Hello all, i have read a couple of threads here in group but i can not find them usefull for me. Could pls some one help me to understand at least how to troubleshoot my issue.
I am getting constantly, when scrapping metrics, the exception listed below: The exporter configuration i am using is the same as in here: https://grafana.com/grafana/dashboards/8563, plus host:port configuration. I get metrics exported but the exception comes and in metrics i can see always an error indication: *# HELP jmx_scrape_error Non-zero if this scrape failed. * *# TYPE jmx_scrape_error gauge * *jmx_scrape_error 1.0* I am learning now and tryig to get a PoC done. Thats why i try to keep it simple for now. I am using the exporter as agent in server with a Tomcat. Any idea on how to solve or troubleshoot will be welcome, thanks in advance David -------- 17-Nov-2021 09:38:57.346 SEVERE [prometheus-http-1-2] io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector.collect JMX scrape failed: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.NoInitialContextException: Cannot instantiate class: org.apache.naming.java.javaURLContextFactory [Root exception is java.lang.ClassNotFoundException: org.apache.naming.java.javaURLContextFactory] at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:369) at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270) at io.prometheus.jmx.shaded.io.prometheus.jmx.JmxScraper.doScrape(JmxScraper.java:95) at io.prometheus.jmx.shaded.io.prometheus.jmx.JmxCollector.collect(JmxCollector.java:547) at io.prometheus.jmx.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:207) at io.prometheus.jmx.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:240) at io.prometheus.jmx.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:161) at io.prometheus.jmx.shaded.io.prometheus.client.exporter.common.TextFormat.write004(TextFormat.java:71) at io.prometheus.jmx.shaded.io.prometheus.client.exporter.common.TextFormat.writeFormat(TextFormat.java:53) at io.prometheus.jmx.shaded.io.prometheus.client.exporter.HTTPServer$HTTPMetricHandler.handle(HTTPServer.java:83) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79) at sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:83) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:82) at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:675) at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:79) at sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:647) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: javax.naming.NoInitialContextException: Cannot instantiate class: org.apache.naming.java.javaURLContextFactory [Root exception is java.lang.ClassNotFoundException: org.apache.naming.java.javaURLContextFactory] at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313) at javax.naming.InitialContext.init(InitialContext.java:244) at javax.naming.InitialContext.<init>(InitialContext.java:216) at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1953) at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1922) at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:287) ... 18 more Caused by: java.lang.ClassNotFoundException: org.apache.naming.java.javaURLContextFactory at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:91) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:61) at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:672) ... 24 more --------- -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/5d567c89-6bd9-414b-94e0-de95672c2d8fn%40googlegroups.com.
