Can't get JVM metrix from application's JVM #76
Comments
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Can you indicate exactly which version generated that error? |
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This was jmx_exporter version 0.7 |
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Okay, looks like an issue with a composite. What are you monitoring? |
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It's our company's inner application. |
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So you've custom mBeans implemented? Can you turn on the debugging and see which mBean it is and what it's doing? See http://www.robustperception.io/viewing-logs-for-the-jmx-exporter/ |
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I turned on debugging and jmx_exporter got some scrapr failed: |
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If you could debug your custom mBean and submit a unittest emulating how it's breaking we can get this fixed, as without your code I can't do much. |
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Hi ,this issue also happen in my project , do you resolve it? |
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Hi, no the problem is not resolved. At the end our developers is implement metric exporter direct into application. |
Hello!
I'm trying to use jmx_exporter to get some metrics from copy of JVM that run our company's application. I succesfully got metrics from appplication's MBeams but I can't get metric from JMV (e.g. GC CollectionCount). jmx_exporter return jmx_scrape_error 1.0 in metrics page. I use jmx_exporter in http server mode, also I tried version 0.6 and 0.7 with the same result. I get the next error in stdout:
Aug 25, 2016 10:43:09 PM io.prometheus.jmx.JmxCollector collect SEVERE: JMX scrape failed: java.lang.NullPointerException at io.prometheus.jmx.JmxScraper.processBeanValue(JmxScraper.java:242) at io.prometheus.jmx.JmxScraper.scrapeBean(JmxScraper.java:145) at io.prometheus.jmx.JmxScraper.doScrape(JmxScraper.java:107) at io.prometheus.jmx.JmxCollector.collect(JmxCollector.java:325) at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:72) at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.<init>(CollectorRegistry.java:64) at io.prometheus.client.CollectorRegistry.metricFamilySamples(CollectorRegistry.java:55) at io.prometheus.client.exporter.MetricsServlet.doGet(MetricsServlet.java:41) at javax.servlet.http.HttpServlet.service(HttpServlet.java:735) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:648) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:365) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485) at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) at java.lang.Thread.run(Thread.java:745)I use simple config:
hostPort: 127.0.0.1:9010 lowercaseOutputName: false lowercaseOutputLabelNames: falseAlso I can get JVM metrics with jconsole and other tools.
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