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From "Carl Allain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3286) ActiveMQ Connection Dispatcher thread
Date Wed, 10 Aug 2011 19:28:27 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13082594#comment-13082594
] 

Carl Allain commented on AMQ-3286:
----------------------------------

Here is a dump of all activemq live objects in the JVM:

jmap -histo:live 6700 | grep activemq
   1:          1640      105894928  [Lorg.apache.activemq.command.DataStructure;
  26:           818         124336  org.apache.activemq.broker.jmx.ManagedTransportConnection
  28:           818         111248  org.apache.activemq.transport.tcp.TcpTransport
  33:           839          93968  org.apache.activemq.thread.DedicatedTaskRunner$1
  35:          1816          87168  org.apache.activemq.management.CountStatisticImpl
  36:           818          85072  org.apache.activemq.transport.InactivityMonitor
  39:          1747          69880  org.apache.activemq.command.ProducerId
  43:          1941          62112  org.apache.activemq.command.SessionId
  46:          1722          55104  org.apache.activemq.command.LocalTransactionId
  49:           820          45920  org.apache.activemq.openwire.OpenWireFormat
  50:           818          45808  org.apache.activemq.broker.region.ConnectionStatistics
  51:          2776          44416  org.apache.activemq.command.ConnectionId
  53:          1046          41840  org.apache.activemq.command.ConsumerId
  57:           818          39264  org.apache.activemq.transport.WireFormatNegotiator
  71:           831          26592  org.apache.activemq.command.WireFormatInfo
  75:           818          26176  org.apache.activemq.transport.tcp.TcpTransport$2
  76:           818          26176  org.apache.activemq.transport.tcp.TcpBufferedOutputStream
  83:           839          20136  org.apache.activemq.thread.DedicatedTaskRunner
  85:           822          19728  org.apache.activemq.util.ByteSequence
  86:           821          19704  org.apache.activemq.util.DataByteArrayInputStream
  88:           818          19632  org.apache.activemq.transport.InactivityMonitor$1
  89:           818          19632  org.apache.activemq.transport.InactivityMonitor$2
  90:           818          19632  org.apache.activemq.transport.MutexTransport
 104:           821          13136  org.apache.activemq.util.DataByteArrayOutputStream
 108:           818          13088  org.apache.activemq.broker.TransportConnection$1
 109:           818          13088  org.apache.activemq.broker.jmx.ConnectionView
 110:           818          13088  org.apache.activemq.broker.SingleTransportConnectionStateRegister
 132:           160           5120  org.apache.activemq.util.BitArrayBin
 133:           317           5072  org.apache.activemq.broker.jmx.AnnotatedMBean
 141:             1           4112  [Lorg.apache.activemq.command.ConsumerId;
 144:           160           3840  org.apache.activemq.util.BitArray
 158:            86           2752  org.apache.activemq.filter.DestinationMapNode
 168:            60           2400  org.apache.activemq.command.ActiveMQTopic
 174:            24           2112  org.apache.activemq.command.ConsumerInfo
 179:            22           1936  org.apache.activemq.broker.region.DestinationStatistics
 182:            14           1904  org.apache.activemq.broker.region.Topic
 186:            22           1760  org.apache.activemq.management.TimeStatisticImpl
 187:            31           1736  org.apache.activemq.util.LRUCache
 190:            40           1600  org.apache.activemq.thread.SchedulerTimerTask
 191:            20           1600  org.apache.activemq.broker.region.cursors.FilePendingMessageCursor
 192:            22           1584  org.apache.activemq.usage.MemoryUsage
 198:            26           1456  org.apache.activemq.command.ConnectionInfo
 201:            22           1408  org.apache.activemq.usage.TempUsage
 202:            22           1408  org.apache.activemq.usage.StoreUsage
 203:             7           1400  org.apache.activemq.broker.region.Queue
 215:            11           1232  org.apache.activemq.broker.region.QueueSubscription
 223:            13           1144  org.apache.activemq.broker.region.TopicSubscription
 227:            23           1104  org.apache.activemq.management.PollCountStatisticImpl
 229:            22           1056  org.apache.activemq.usage.SystemUsage
 231:            66           1056  org.apache.activemq.usage.DefaultUsageCapacity
 235:             1           1040  [Lorg.apache.activemq.openwire.DataStreamMarshaller;
 240:            13            936  org.apache.activemq.broker.ConnectionContext
 249:            22            880  org.apache.activemq.command.ActiveMQQueue
 252:            26            832  org.apache.activemq.command.SessionInfo
 259:             7            784  org.apache.activemq.broker.region.Queue$FlowControlTimeoutTask
 265:            31            744  org.apache.activemq.ActiveMQMessageAudit
 282:            26            624  org.apache.activemq.state.SessionState
 287:            13            624  org.apache.activemq.broker.TransportConnectionState
 292:            37            592  org.apache.activemq.filter.SimpleDestinationFilter
 301:            11            528  org.apache.activemq.broker.region.cursors.VMPendingMessageCursor
 303:             7            504  org.apache.activemq.broker.region.cursors.StoreQueueCursor
 304:             7            504  org.apache.activemq.broker.region.cursors.QueueStorePrefetch
 329:            24            384  org.apache.activemq.state.ConsumerState
 336:             7            336  org.apache.activemq.command.DestinationInfo
 338:             7            336  org.apache.activemq.store.kahadb.MessageDatabase$StoredDestination
 341:            14            336  [Lorg.apache.activemq.command.ActiveMQDestination;
 342:            14            336  org.apache.activemq.thread.Valve
 348:            13            312  [Lorg.apache.activemq.filter.DestinationFilter;
 350:            13            312  org.apache.activemq.filter.MessageEvaluationContext
 374:             1            248  org.apache.activemq.xbean.XBeanBrokerService
 390:             7            224  org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore
 391:            14            224  org.apache.activemq.broker.jmx.TopicView
 394:            14            224  org.apache.activemq.broker.region.Topic$1
 400:            13            208  org.apache.activemq.filter.CompositeDestinationFilter
 401:            13            208  org.apache.activemq.filter.NoLocalExpression
 402:            13            208  org.apache.activemq.broker.region.policy.OldestMessageEvictionStrategy
 406:            13            208  org.apache.activemq.broker.jmx.TopicSubscriptionView
 409:             5            200  org.apache.activemq.command.MessageId
 415:             6            192  org.apache.activemq.broker.ConsumerBrokerExchange
 420:             8            192  org.apache.activemq.store.kahadb.data.KahaEntryType
 432:             1            176  org.apache.activemq.command.ActiveMQMessage
 435:            11            176  org.apache.activemq.broker.jmx.SubscriptionView
 438:             7            168  org.apache.activemq.store.kahadb.data.KahaDestination
 451:             2            160  org.apache.activemq.kaha.impl.index.IndexItem
 457:             1            152  org.apache.activemq.broker.region.policy.PolicyEntry
 459:             1            144  org.apache.activemq.broker.jmx.ManagedRegionBroker
 469:             1            136  org.apache.activemq.transport.tcp.TcpTransportServer
 494:             1            120  org.apache.activemq.store.kahadb.KahaDBStore
 497:             1            120  org.apache.activemq.ActiveMQConnectionFactory
 508:             7            112  org.apache.activemq.broker.jmx.QueueView
 509:             1            112  org.apache.activemq.console.command.StartCommand$1
 514:             1            112  org.apache.activemq.store.kahadb.MessageDatabase$3
 518:             7            112  org.apache.activemq.broker.region.Queue$1
 519:             7            112  org.apache.activemq.broker.region.Queue$2
 521:             7            112  org.apache.activemq.broker.region.Queue$3
 523:             7            112  org.apache.activemq.broker.region.QueueDispatchSelector
 524:            14            112  org.apache.activemq.broker.region.policy.SimpleDispatchPolicy
 527:             1            112  org.apache.activemq.broker.BrokerService$4
 528:            14            112  org.apache.activemq.broker.region.policy.NoSubscriptionRecoveryPolicy
 535:             2             96  org.apache.activemq.command.ProducerInfo
 557:             4             96  org.apache.activemq.store.kahadb.data.KahaDestination$DestinationType
 573:             1             88  org.apache.activemq.web.AjaxServlet
 582:             1             80  org.apache.activemq.web.MessageServlet
 584:             5             80  org.apache.activemq.filter.DestinationMap
 587:             1             80  org.apache.activemq.broker.jmx.ManagedTransportConnector
 594:             1             80  org.apache.activemq.broker.jmx.ManagedTempQueueRegion
 599:             1             80  org.apache.activemq.broker.jmx.ManagedTempTopicRegion
 613:             1             72  org.apache.activemq.kaha.impl.index.IndexManager
 616:             1             72  org.apache.activemq.kaha.impl.KahaStore
 617:             1             72  org.apache.activemq.broker.jmx.ManagedTopicRegion
 636:             2             64  org.apache.activemq.thread.TaskRunnerFactory
 638:             1             64  org.apache.activemq.web.handler.BindingBeanNameUrlHandlerMapping
 642:             1             64  org.apache.activemq.broker.jmx.ManagementContext
 653:             2             64  org.apache.activemq.kaha.impl.IndexRootContainer
 660:             1             64  org.apache.activemq.broker.region.ConnectorStatistics
 667:             1             64  org.apache.activemq.command.BrokerInfo
 671:             2             64  org.apache.activemq.broker.ProducerBrokerExchange
 674:             1             56  org.apache.activemq.broker.jmx.ManagedQueueRegion
 685:             1             56  org.apache.activemq.kaha.impl.data.DataManagerImpl
 689:             7             56  org.apache.activemq.broker.region.policy.RoundRobinDispatchPolicy
 703:             3             48  org.apache.activemq.util.FactoryFinder
 707:             2             48  org.apache.activemq.console.command.ShellCommand
 730:             2             48  org.apache.activemq.util.IdGenerator
 733:             1             48  [Lorg.apache.activemq.store.kahadb.data.KahaEntryType;
 760:             3             48  org.apache.activemq.util.LongSequenceGenerator
 761:             1             48  org.apache.activemq.management.JMSStatsImpl
 772:             1             40  org.apache.activemq.RedeliveryPolicy
 778:             1             40  org.apache.activemq.openwire.OpenWireFormatFactory
 788:             1             40  org.apache.activemq.advisory.AdvisoryBroker
 821:             1             40  org.apache.activemq.ActiveMQPrefetchPolicy
 822:             2             32  org.apache.activemq.state.ProducerState
 830:             1             32  org.apache.activemq.blob.BlobTransferPolicy
 854:             1             32  org.apache.activemq.console.command.StartCommand
 871:             1             32  [Lorg.apache.activemq.store.kahadb.data.KahaDestination$DestinationType;
 882:             1             32  org.apache.activemq.store.kahadb.MessageDatabase$Metadata
 902:             1             32  org.apache.activemq.console.Main
 911:             1             24  org.apache.activemq.web.filter.ApplicationContextFilter
 915:             1             24  org.apache.activemq.web.filter.ApplicationContextFilter$1
 924:             1             24  org.apache.activemq.web.SessionPool
 926:             1             24  org.apache.activemq.console.command.StartCommand$2
 927:             1             24  org.apache.activemq.kaha.impl.index.StoreIndexReader
 928:             1             24  org.apache.activemq.kaha.impl.index.StoreIndexWriter
 929:             1             24  org.apache.activemq.broker.region.DestinationFactoryImpl
 933:             1             24  org.apache.activemq.security.SecurityContext$1
 949:             1             24  org.apache.activemq.broker.region.policy.PolicyMap
 950:             1             24  org.apache.activemq.broker.region.virtual.VirtualTopic
 957:             1             24  org.apache.activemq.broker.region.policy.IndividualDeadLetterStrategy
 979:             1             24  org.apache.activemq.broker.BrokerService$3
 983:             1             24  org.apache.activemq.util.DefaultIOExceptionHandler
 988:             1             24  org.apache.activemq.broker.jmx.BrokerView
 989:             1             24  org.apache.activemq.broker.TransactionBroker
 992:             1             16  org.apache.activemq.store.kahadb.KahaDBStore$1
 994:             1             16  org.apache.activemq.store.kahadb.MessageDatabase$StoredDestinationMarshaller
1001:             1             16  org.apache.activemq.broker.BrokerRegistry
1019:             1             16  org.apache.activemq.util.LogWriterFinder
1026:             1             16  org.apache.activemq.broker.CompositeDestinationBroker
1036:             1             16  org.apache.activemq.broker.region.group.MessageGroupHashBucket
1038:             1             16  org.apache.activemq.util.FactoryFinder$StandaloneObjectFactory
1041:             1             16  org.apache.activemq.console.CommandContext
1046:             1             16  org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter
1053:             1             16  org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor
1056:             1             16  org.apache.activemq.console.formatter.CommandShellOutputFormatter
1061:             1             16  [Lorg.apache.activemq.broker.region.DestinationInterceptor;
1062:             1             16  [Lorg.apache.activemq.broker.region.virtual.VirtualDestination;
1065:             1             16  org.apache.activemq.broker.region.policy.SharedDeadLetterStrategy
1067:             1             16  org.apache.activemq.broker.region.CompositeDestinationInterceptor
1088:             1             16  org.apache.activemq.kaha.CommandMarshaller
1107:             1             16  org.apache.activemq.thread.Scheduler
1109:             1             16  org.apache.activemq.broker.jmx.ConnectorView
1114:             1             16  [Lorg.apache.activemq.command.BrokerInfo;
1120:             1             16  org.apache.activemq.broker.TransportConnector$1
1123:             1             16  org.apache.activemq.transport.tcp.TcpTransportServer$1
1124:             1             16  org.apache.activemq.broker.region.group.MessageGroupHashBucketFactory
1127:             1             16  org.apache.activemq.store.kahadb.MessageDatabase$MetadataMarshaller
1128:             1             16  org.apache.activemq.xbean.XBeanBrokerService$1
1134:             1             16  org.apache.activemq.command.BrokerId
1156:             1             16  org.apache.activemq.broker.region.NullMessageReference
1162:             1              8  org.apache.activemq.openwire.v5.ConnectionIdMarshaller
1167:             1              8  org.apache.activemq.openwire.v5.LocalTransactionIdMarshaller
1171:             1              8  org.apache.activemq.kaha.impl.index.RedoStoreIndexItem$1
1174:             1              8  org.apache.activemq.openwire.v5.ConnectionInfoMarshaller
1179:             1              8  org.apache.activemq.openwire.v5.MessageAckMarshaller
1186:             1              8  org.apache.activemq.web.SessionFilter
1191:             1              8  org.apache.activemq.openwire.v5.ConsumerControlMarshaller
1196:             1              8  org.apache.activemq.openwire.v5.MessageDispatchMarshaller
1200:             1              8  org.apache.activemq.openwire.v5.ConsumerIdMarshaller
1204:             1              8  org.apache.activemq.ActiveMQConnectionMetaData
1208:             1              8  org.apache.activemq.openwire.v5.MessageDispatchNotificationMarshaller
1216:             1              8  org.apache.activemq.openwire.v5.MessageIdMarshaller
1219:             1              8  org.apache.activemq.openwire.v5.ConsumerInfoMarshaller
1223:             1              8  org.apache.activemq.openwire.v5.MessagePullMarshaller
1226:             1              8  org.apache.activemq.openwire.v5.ControlCommandMarshaller
1228:             1              8  org.apache.activemq.transport.InactivityMonitor$5
1229:             1              8  org.apache.activemq.openwire.v5.ActiveMQMessageMarshaller
1230:             1              8  org.apache.activemq.broker.region.group.EmptyMessageGroupSet
1233:             1              8  org.apache.activemq.openwire.v5.ActiveMQBlobMessageMarshaller
1235:             1              8  org.apache.activemq.openwire.v5.NetworkBridgeFilterMarshaller
1244:             1              8  org.apache.activemq.openwire.v5.ResponseMarshaller
1247:             1              8  org.apache.activemq.openwire.v5.DataArrayResponseMarshaller
1248:             1              8  org.apache.activemq.openwire.v5.ProducerAckMarshaller
1249:             1              8  org.apache.activemq.transport.tcp.TcpTransportFactory
1251:             1              8  org.apache.activemq.openwire.v5.ActiveMQBytesMessageMarshaller
1253:             1              8  org.apache.activemq.usage.Usage$3
1262:             1              8  org.apache.activemq.openwire.v5.DataResponseMarshaller
1263:             1              8  org.apache.activemq.openwire.v5.ProducerIdMarshaller
1265:             1              8  org.apache.activemq.openwire.v5.ActiveMQMapMessageMarshaller
1275:             1              8  org.apache.activemq.openwire.v5.ActiveMQObjectMessageMarshaller
1277:             1              8  org.apache.activemq.openwire.v5.DestinationInfoMarshaller
1278:             1              8  org.apache.activemq.openwire.v5.ProducerInfoMarshaller
1279:             1              8  org.apache.activemq.store.kahadb.MessageDatabase$MessageKeysMarshaller
1280:             1              8  org.apache.activemq.kaha.BytesMarshaller
1283:             1              8  org.apache.activemq.kaha.ObjectMarshaller
1285:             1              8  org.apache.activemq.openwire.v5.DiscoveryEventMarshaller
1288:             1              8  org.apache.activemq.openwire.v5.RemoveInfoMarshaller
1293:             1              8  org.apache.activemq.openwire.v5.ActiveMQQueueMarshaller
1294:             1              8  org.apache.activemq.kaha.StringMarshaller
1295:             1              8  org.apache.activemq.command.ActiveMQMessage$1
1297:             1              8  org.apache.activemq.openwire.v5.ExceptionResponseMarshaller
1300:             1              8  org.apache.activemq.command.ActiveMQMessage$2
1303:             1              8  org.apache.activemq.openwire.v5.RemoveSubscriptionInfoMarshaller
1306:             1              8  org.apache.activemq.openwire.v5.ActiveMQStreamMessageMarshaller
1307:             1              8  org.apache.activemq.command.ActiveMQMessage$3
1310:             1              8  org.apache.activemq.kaha.MessageIdMarshaller
1311:             1              8  org.apache.activemq.web.WebConsoleStarter
1312:             1              8  org.apache.activemq.openwire.v5.FlushCommandMarshaller
1314:             1              8  org.apache.activemq.command.ActiveMQMessage$4
1316:             1              8  org.apache.activemq.openwire.v5.ReplayCommandMarshaller
1318:             1              8  org.apache.activemq.command.ActiveMQMessage$5
1319:             1              8  org.apache.activemq.openwire.v5.IntegerResponseMarshaller
1321:             1              8  org.apache.activemq.openwire.v5.ActiveMQTempQueueMarshaller
1324:             1              8  org.apache.activemq.command.ActiveMQMessage$6
1325:             1              8  org.apache.activemq.openwire.v5.SessionIdMarshaller
1327:             1              8  org.apache.activemq.command.ActiveMQMessage$7
1329:             1              8  org.apache.activemq.openwire.v5.ActiveMQTempTopicMarshaller
1330:             1              8  org.apache.activemq.openwire.v5.JournalQueueAckMarshaller
1332:             1              8  org.apache.activemq.broker.region.Queue$4
1337:             1              8  org.apache.activemq.command.ActiveMQMessage$8
1339:             1              8  org.apache.activemq.openwire.v5.SessionInfoMarshaller
1342:             1              8  org.apache.activemq.openwire.v5.ActiveMQTextMessageMarshaller
1343:             1              8  org.apache.activemq.command.ActiveMQMessage$9
1346:             1              8  org.apache.activemq.openwire.v5.JournalTopicAckMarshaller
1347:             1              8  org.apache.activemq.openwire.v5.ShutdownInfoMarshaller
1349:             1              8  org.apache.activemq.command.ActiveMQMessage$10
1350:             1              8  org.apache.activemq.openwire.v5.ActiveMQTopicMarshaller
1352:             1              8  org.apache.activemq.command.ActiveMQMessage$11
1357:             1              8  org.apache.activemq.openwire.v5.JournalTraceMarshaller
1359:             1              8  org.apache.activemq.openwire.v5.SubscriptionInfoMarshaller
1360:             1              8  org.apache.activemq.openwire.v5.BrokerIdMarshaller
1367:             1              8  org.apache.activemq.openwire.v5.JournalTransactionMarshaller
1368:             1              8  org.apache.activemq.ActiveMQConnectionFactory$1
1369:             1              8  org.apache.activemq.openwire.v5.TransactionInfoMarshaller
1371:             1              8  org.apache.activemq.openwire.v5.BrokerInfoMarshaller
1372:             1              8  org.apache.activemq.openwire.v5.KeepAliveInfoMarshaller
1374:             1              8  org.apache.activemq.openwire.v5.WireFormatInfoMarshaller
1378:             1              8  org.apache.activemq.transport.tcp.TcpTransport$3
1379:             1              8  org.apache.activemq.openwire.v5.ConnectionControlMarshaller
1381:             1              8  org.apache.activemq.openwire.v5.XATransactionIdMarshaller
1385:             1              8  org.apache.activemq.openwire.v5.PartialCommandMarshaller
1387:             1              8  org.apache.activemq.openwire.v5.LastPartialCommandMarshaller
1390:             1              8  org.apache.activemq.openwire.v5.ConnectionErrorMarshaller
1392:             1              8  org.apache.activemq.store.kahadb.MessageDatabase$LocationMarshaller

 /usr/sbin/lsof -p 6700 | grep "can't identify" | wc -l
797

jstack 6700 | grep "nid=" | grep "ActiveMQ Connection Dispatcher" | wc -l
818

I can't see why I should have 818 ActiveMQ Connection Dispatcher threads running with their
corresponding objects in the JVM. Could they be stuck there?

"ActiveMQ Connection Dispatcher: /172.30.210.39:38631" daemon prio=10 tid=0x09ef8c00 nid=0x1b12
in Object.wait() [0xce3c7000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xd47f5080> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:485)
        at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:105)
        - locked <0xd47f5080> (a java.lang.Object)
        at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)

"ActiveMQ Connection Dispatcher: /172.30.210.39:38632" daemon prio=10 tid=0x09efa400 nid=0x1b15
in Object.wait() [0xce4ba000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xd480c968> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:485)
        at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:105)
        - locked <0xd480c968> (a java.lang.Object)
        at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)



> ActiveMQ Connection Dispatcher thread
> -------------------------------------
>
>                 Key: AMQ-3286
>                 URL: https://issues.apache.org/jira/browse/AMQ-3286
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.0, 5.3.2
>         Environment: == Java ==
> java version "1.6.0_20"
> Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
> == ActiveMQ ==
> - Versions: 5.3.0 and 5.3.2
> - Pure Master/Slave
> - Openwire enabled
> - FlowControl enabled
> - KahaDB
>            Reporter: Simon-Pierre LeBel
>
> I'm having some issues with ActiveMQ Connection Dispatcher threads. Whenever I get an
InactivityIOException the thread goes into the Waiting state and a new thread is started.
> == activemq.log ==
> 2011-04-18 10:15:31,244 | ERROR | Could not accept connection : org.apache.activemq.transport.InactivityIOException:
Channel was inactive for too long: /127.0.0.1:35401 | org.apache.activemq.broker.TransportConnector
| ActiveMQ Task
> == jstack ==
> "ActiveMQ Connection Dispatcher: /127.0.0.1:35401" daemon prio=10
> tid=0x00007f10e440f800 nid=0x63e9 in Object.wait() [0x00007f10ce578000]
>    java.lang.Thread.State: WAITING (on object monitor)
>         at java.lang.Object.wait(Native Method)
>         at java.lang.Object.wait(Object.java:485)
>         at
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:105)
>         - locked <0x00007f113bbd4618> (a java.lang.Object)
>         at
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
> After running ActiveMQ for a couple of weeks there are more than 3k waiting threads doing
nothing but wasting memory. If i disable the inactivity monitor the problem goes away (wireFormat.maxInactivityDuration=0).

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