NoClassDefFoundError: com/sun/management/OperatingSystemMXBean

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Aug 17, 2015, 6:19:49 PM8/17/15

to Stardog

Hi, I'm getting this with Stardog 3.1.4, is this possibly related to the web interface hanging?

Aug 17, 2015 6:16:29 PM com.complexible.stardog.watchdog.Watchdog getJMXMetadata

SEVERE: Something went wrong trying to get data from the mbean server

javax.management.RuntimeErrorException: java.lang.NoClassDefFoundError: com/sun/management/OperatingSystemMXBean

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:841)

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrowMaybeMBeanException(DefaultMBeanServerInterceptor.java:852)

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:651)

at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678)

at com.complexible.stardog.watchdog.Watchdog.getJMXMetadata(Watchdog.java:436)

at com.complexible.stardog.watchdog.Watchdog.getCurrentData(Watchdog.java:407)

at com.complexible.stardog.protocols.snarl.watchdog.WatchdogDBMSServerFunction.handleMessage(WatchdogDBMSServerFunction.java:60)

at com.complexible.common.protocols.server.rpc.ServerHandler.handleMessage(ServerHandler.java:247)

at com.complexible.common.protocols.server.rpc.ServerHandler.channelRead(ServerHandler.java:146)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)

at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:32)

at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:299)

at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:36)

at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)

at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)

at java.lang.Thread.run(Thread.java:781)

Caused by: java.lang.NoClassDefFoundError: com/sun/management/OperatingSystemMXBean

at com.complexible.stardog.watchdog.impl.StardogDBMSBeanImpl.getCpuUsage(StardogDBMSBeanImpl.java:81)

at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:607)

at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)

at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:607)

at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)

at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193)

at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175)

at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117)

at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54)

at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)

at com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:83)

at com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:206)

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647)

... 13 more