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Posted to dev@sling.apache.org by "Tommaso Teofili (JIRA)" <ji...@apache.org> on 2016/11/28 14:52:58 UTC
[jira] [Reopened] (SLING-6324) MonitoringDistributionPackageBuilder
registering of same beans cause exception
[ https://issues.apache.org/jira/browse/SLING-6324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tommaso Teofili reopened SLING-6324:
------------------------------------
reopening as it seems the {{MonitoringDistributionPackageBuilder}} is actually registering mbeans twice on sender (create() and get()) and on receiver (read() and install()).
> MonitoringDistributionPackageBuilder registering of same beans cause exception
> ------------------------------------------------------------------------------
>
> Key: SLING-6324
> URL: https://issues.apache.org/jira/browse/SLING-6324
> Project: Sling
> Issue Type: Bug
> Components: Distribution
> Reporter: Tommaso Teofili
> Assignee: Tommaso Teofili
> Fix For: Content Distribution 0.2.0
>
> Attachments: SLING-6324.patch
>
>
> While distributing some content massively I have encountered lots of stacktraces like below (on sending instance):
> {noformat}
> 24.11.2016 13:09:37.424 *INFO* [127.0.0.1 [1479989377273] POST /bin/replicate.json HTTP/1.1] org.apache.sling.distribution.agent.impl.SimpleDistributionAgent [agent][publish] REQUEST-START DSTRQ2791: ADD paths=[/content/test10K/node27/subnode90], user=replication-service
> 24.11.2016 13:09:37.425 *ERROR* [sling-threadpool-7c966356-fcc8-467b-9d58-eab12551b43c-(apache-sling-job-thread-pool)-2-org_apache_sling_distribution_queue_publish_default(org/apache/sling/distribution/queue/publish/default)] org.apache.aries.jmx.whiteboard.MBeanHolder register: Failure registering MBean org.apache.aries.jmx.util.shared.RegistrableStandardEmitterMBean@42b86d48
> javax.management.InstanceAlreadyExistsException: org.apache.sling.distribution:type=distributionpackage,id="/var/sling/distribution/packages/kryo-cs/data/dstrpck-1479989376714-b79fc9b9-a3e2-4a03-a33c-e87ccd17b8dc"
> at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
> at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
> at org.apache.aries.jmx.whiteboard.MBeanHolder.register(MBeanHolder.java:114)
> at org.apache.aries.jmx.whiteboard.JmxWhiteboardSupport.registerMBean(JmxWhiteboardSupport.java:86)
> at org.apache.aries.jmx.whiteboard.Activator$MBeanTracker.addingService(Activator.java:102)
> at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941)
> at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870)
> at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
> at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
> at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:901)
> at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:991)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:839)
> at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:546)
> at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4558)
> at org.apache.felix.framework.Felix.registerService(Felix.java:3550)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:322)
> at org.apache.sling.distribution.monitor.impl.MonitoringDistributionPackageBuilder.registerDistributionPackageMBean(MonitoringDistributionPackageBuilder.java:109)
> at org.apache.sling.distribution.monitor.impl.MonitoringDistributionPackageBuilder.getPackage(MonitoringDistributionPackageBuilder.java:81)
> at org.apache.sling.distribution.serialization.impl.DistributionPackageBuilderFactory.getPackage(DistributionPackageBuilderFactory.java:222)
> at org.apache.sling.distribution.packaging.impl.exporter.LocalDistributionPackageExporter.getPackage(LocalDistributionPackageExporter.java:55)
> at org.apache.sling.distribution.agent.impl.SimpleDistributionAgentQueueProcessor.processQueueItem(SimpleDistributionAgentQueueProcessor.java:116)
> at org.apache.sling.distribution.agent.impl.SimpleDistributionAgentQueueProcessor.process(SimpleDistributionAgentQueueProcessor.java:84)
> at org.apache.sling.distribution.queue.impl.jobhandling.DistributionAgentJobConsumer.process(DistributionAgentJobConsumer.java:48)
> at org.apache.sling.event.impl.jobs.JobConsumerManager$JobConsumerWrapper.process(JobConsumerManager.java:500)
> at org.apache.sling.event.impl.jobs.queues.JobQueueImpl.startJob(JobQueueImpl.java:291)
> at org.apache.sling.event.impl.jobs.queues.JobQueueImpl.access$100(JobQueueImpl.java:58)
> at org.apache.sling.event.impl.jobs.queues.JobQueueImpl$1.run(JobQueueImpl.java:227)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> It seems {{MonitoringDistributionPackageBuilder}} is registering same beans multiple times, however the mentioned exception doesn't block distribution request processing it seems.
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