[jboss-jira] [JBoss JIRA] (WFLY-7495) Using mod_cluster custom mbean metric class intermittently fails with "NoClassDefFoundError: javax/management/MalformedObjectNameException"

[Radoslav Husar (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-7495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar updated WFLY-7495:
---------------------------------
    Forum Reference: https://developer.jboss.org/message/965057#965057


> Using mod_cluster custom mbean metric class intermittently fails with "NoClassDefFoundError: javax/management/MalformedObjectNameException"
> -------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-7495
>                 URL: https://issues.jboss.org/browse/WFLY-7495
>             Project: WildFly
>          Issue Type: Bug
>          Components: mod_cluster
>    Affects Versions: 10.1.0.Final
>            Reporter: Radoslav Husar
>            Assignee: Radoslav Husar
>
> {noformat}
>         <subsystem xmlns="urn:jboss:domain:modcluster:2.0">
>             <mod-cluster-config advertise-socket="modcluster" proxies="proxy1" connector="ajp">
>                 <dynamic-load-provider>
>                     <custom-load-metric class="org.jboss.modcluster.load.metric.impl.MBeanAttributeLoadMetric" capacity="5.0">
>                         <property name="pattern" value="com.acme.metrics:service=InitialDownloadResult"/>
>                         <property name="attribute" value="CurrentRequestCount"/>
>                     </custom-load-metric>
>                 </dynamic-load-provider>
>             </mod-cluster-config>
>         </subsystem>
> {noformat}
> yields intermittently
> {noformat}
> 19:40:03,880 ERROR [org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 50) WFLYCTL0013: Operation ("add") failed - address: ([("subsystem" => "modcluster")]): java.lang.NoClassDefFoundError: javax/management/MalformedObjectNameException
> 	at java.lang.Class.forName0(Native Method)
> 	at java.lang.Class.forName(Class.java:264)
> 	at org.jboss.common.beans.property.BeanUtils.findClass(BeanUtils.java:146)
> 	at org.jboss.common.beans.property.finder.DefaultPropertyEditorFinder.find(DefaultPropertyEditorFinder.java:185)
> 	at org.jboss.common.beans.property.BeanUtils.mapJavaBeanProperties(BeanUtils.java:308)
> 	at org.wildfly.extension.mod_cluster.ModClusterSubsystemAdd.addLoadMetrics(ModClusterSubsystemAdd.java:354)
> 	at org.wildfly.extension.mod_cluster.ModClusterSubsystemAdd.getModClusterLoadProvider(ModClusterSubsystemAdd.java:294)
> 	at org.wildfly.extension.mod_cluster.ModClusterSubsystemAdd.performBoottime(ModClusterSubsystemAdd.java:124)
> 	at org.jboss.as.controller.AbstractBoottimeAddStepHandler.performBoottime(AbstractBoottimeAddStepHandler.java:157)
> 	at org.jboss.as.controller.AbstractBoottimeAddStepHandler.performRuntime(AbstractBoottimeAddStepHandler.java:116)
> 	at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:151)
> 	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:890)
> 	at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:659)
> 	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370)
> 	at org.jboss.as.controller.ParallelBootOperationStepHandler$ParallelBootTask.run(ParallelBootOperationStepHandler.java:359)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> 	at org.jboss.threads.JBossThread.run(JBossThread.java:320)
> Caused by: java.lang.ClassNotFoundException: javax.management.MalformedObjectNameException from [Module "org.jboss.common-beans:main" from local module loader @6956de9 (finder: local module finder @769c9116 (roots: /Users/rhusar/STATIC/wf10/load/wildfly-10.0.0.Final/modules,/Users/rhusar/STATIC/wf10/load/wildfly-10.0.0.Final/modules/system/layers/base))]
> 	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:198)
> 	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:363)
> 	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:351)
> 	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:93)
> 	... 19 more
> {noformat}



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