Try updating your installation or source -- there have been a few
gremlins in getting the class transformation code up and running.
It should be fine now.
Also after starting a server look in server.log. You should see the JVM
option has something like this:
-javaagent:D:/glassfish3/glassfish/lib/monitor/flashlight-agent.jar
On 11:59 AM, Ancoron Luciferis wrote:
> Hi devs,
>
> I just wanted to know why the flashlight-agent.jar is no longer an OSGi
> bundle, nor a HK2 archive, as opposed to 3.1 release?
>
> I see that it moved from .../modules/ to .../lib/monitor/ but that path
> does not seem to be referenced anywhere.
>
> How's that supposed to work?
>
> I ask because I'm getting this:
>
> WARNING: Error while getting Instrumentation object from ProbeAgentmain
> java.lang.ClassNotFoundException:
> org.glassfish.flashlight.agent.ProbeAgentMain
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
>
>
> Two days ago it used to work and as I'm currently implementing a new
> monitoring module it really blocks me here.
>
>
> Thanx for any pointer,
>
> Ancoron
>
>
> P.S.: Full exception stacktrace (repeating for each probe provider
> registration):
>
> WARNING: Error while getting Instrumentation object from ProbeAgentmain
> java.lang.ClassNotFoundException:
> org.glassfish.flashlight.agent.ProbeAgentMain
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> at
> org.glassfish.flashlight.transformer.ProbeProviderClassFileTransformer.getInstrumentation(ProbeProviderClassFileTransformer.java:106)
> at
> org.glassfish.flashlight.transformer.ProbeProviderClassFileTransformer.transform(ProbeProviderClassFileTransformer.java:58)
> at
> org.glassfish.flashlight.impl.client.FlashlightProbeClientMediator.transformProbes(FlashlightProbeClientMediator.java:256)
> at
> org.glassfish.flashlight.impl.client.FlashlightProbeClientMediator.registerListener(FlashlightProbeClientMediator.java:169)
> at
> org.glassfish.admin.monitor.StatsProviderManagerDelegateImpl.registerStatsProviderToFlashlight(StatsProviderManagerDelegateImpl.java:643)
> at
> org.glassfish.admin.monitor.StatsProviderManagerDelegateImpl.enableStatsProvider(StatsProviderManagerDelegateImpl.java:394)
> at
> org.glassfish.admin.monitor.StatsProviderManagerDelegateImpl.tryToRegister(StatsProviderManagerDelegateImpl.java:191)
> at
> org.glassfish.admin.monitor.StatsProviderManagerDelegateImpl.register(StatsProviderManagerDelegateImpl.java:157)
> at
> org.glassfish.external.probe.provider.StatsProviderManager.registerStatsProvider(StatsProviderManager.java:91)
> at
> org.glassfish.external.probe.provider.StatsProviderManager.register(StatsProviderManager.java:66)
> at
> org.glassfish.external.probe.provider.StatsProviderManager.register(StatsProviderManager.java:57)
> at
> com.sun.enterprise.v3.services.impl.monitor.GrizzlyMonitoring.registerThreadPoolStatsProvider(GrizzlyMonitoring.java:148)
> at
> com.sun.enterprise.v3.services.impl.GrizzlyProxy.registerMonitoringStatsProviders(GrizzlyProxy.java:362)
> at
> com.sun.enterprise.v3.services.impl.GrizzlyProxy.configureGrizzly(GrizzlyProxy.java:130)
> at
> com.sun.enterprise.v3.services.impl.GrizzlyProxy.<init>(GrizzlyProxy.java:121)
> at
> com.sun.enterprise.v3.services.impl.GrizzlyService.createNetworkProxy(GrizzlyService.java:443)
> at
> com.sun.enterprise.v3.services.impl.GrizzlyService.postConstruct(GrizzlyService.java:350)
> at
> com.sun.hk2.component.AbstractCreatorImpl.inject(AbstractCreatorImpl.java:131)
> at
> com.sun.hk2.component.ConstructorCreator.initialize(ConstructorCreator.java:91)
> at
> com.sun.hk2.component.AbstractCreatorImpl.get(AbstractCreatorImpl.java:82)
> at
> com.sun.hk2.component.SingletonInhabitant.get(SingletonInhabitant.java:67)
> at
> com.sun.hk2.component.EventPublishingInhabitant.get(EventPublishingInhabitant.java:139)
> at
> com.sun.hk2.component.AbstractInhabitantImpl.get(AbstractInhabitantImpl.java:76)
> at
> com.sun.enterprise.v3.server.AppServerStartup.run(AppServerStartup.java:243)
> at
> com.sun.enterprise.v3.server.AppServerStartup.start(AppServerStartup.java:135)
> at
> com.sun.enterprise.glassfish.bootstrap.GlassFishImpl.start(GlassFishImpl.java:79)
> at
> com.sun.enterprise.glassfish.bootstrap.GlassFishMain$Launcher.launch(GlassFishMain.java:117)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.sun.enterprise.glassfish.bootstrap.GlassFishMain.main(GlassFishMain.java:97)
> at com.sun.enterprise.glassfish.bootstrap.ASMain.main(ASMain.java:55)
>
>
--
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