[jbosscache-issues] [JBoss JIRA] Created: (JBCACHE-1592) org.jboss.cache.lock.TimeoutException: Unable to acquire lock on Fqn is very frequently in cluster

l jw (JIRA) jira-events at lists.jboss.org
Mon Sep 13 10:24:12 EDT 2010


org.jboss.cache.lock.TimeoutException: Unable to acquire lock on Fqn is very frequently in cluster
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                 Key: JBCACHE-1592
                 URL: https://jira.jboss.org/browse/JBCACHE-1592
             Project: JBoss Cache
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Locking
    Affects Versions: 3.2.5.GA
         Environment: windows os,cluster node in one machine.
            Reporter: l jw
            Assignee: Manik Surtani
            Priority: Blocker


When used in cluster,the following exception is throw frequently:

org.jboss.cache.lock.TimeoutException: Unable to acquire lock on Fqn [/courseClass/360/male] after [5000] milliseconds for requestor [GlobalTransaction:<172.18.73.162:3430>:1843]! Lock held by [GlobalTransaction:<172.18.73.162:3428>:6416]
	at org.jboss.cache.mvcc.MVCCNodeHelper.acquireLock(MVCCNodeHelper.java:159)
	at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:217)
	at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:186)
	at org.jboss.cache.interceptors.MVCCLockingInterceptor.handlePutKeyValueCommand(MVCCLockingInterceptor.java:101)
	at org.jboss.cache.interceptors.base.PrePostProcessingCommandInterceptor.visitPutKeyValueCommand(PrePostProcessingCommandInterceptor.java:88)
	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.ReplicationInterceptor.handleCrudMethod(ReplicationInterceptor.java:150)
	at org.jboss.cache.interceptors.ReplicationInterceptor.visitPutKeyValueCommand(ReplicationInterceptor.java:107)
	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:131)
	at org.jboss.cache.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:65)
	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.TxInterceptor.replayModifications(TxInterceptor.java:501)
	at org.jboss.cache.interceptors.TxInterceptor.handleRemotePrepare(TxInterceptor.java:388)
	at org.jboss.cache.interceptors.TxInterceptor.visitPrepareCommand(TxInterceptor.java:134)
	at org.jboss.cache.commands.tx.PrepareCommand.acceptVisitor(PrepareCommand.java:68)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:131)
	at org.jboss.cache.commands.AbstractVisitor.visitPrepareCommand(AbstractVisitor.java:140)
	at org.jboss.cache.commands.tx.PrepareCommand.acceptVisitor(PrepareCommand.java:68)
	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.jboss.cache.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:178)
	at org.jboss.cache.interceptors.InvocationContextInterceptor.visitPrepareCommand(InvocationContextInterceptor.java:106)
	at org.jboss.cache.commands.tx.PrepareCommand.acceptVisitor(PrepareCommand.java:68)
	at org.jboss.cache.interceptors.InterceptorChain.invokeRemote(InterceptorChain.java:316)
	at org.jboss.cache.commands.remote.ReplicateCommand.processSingleCommand(ReplicateCommand.java:139)
	at org.jboss.cache.commands.remote.ReplicateCommand.perform(ReplicateCommand.java:115)
	at org.jboss.cache.marshall.CommandAwareRpcDispatcher.executeCommand(CommandAwareRpcDispatcher.java:319)
	at org.jboss.cache.marshall.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:246)
	at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:637)
	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:545)
	at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:368)
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:775)
	at org.jgroups.JChannel.up(JChannel.java:1336)
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:454)
	at org.jgroups.protocols.pbcast.FLUSH.up(FLUSH.java:486)
	at org.jgroups.protocols.pbcast.STREAMING_STATE_TRANSFER.up(STREAMING_STATE_TRANSFER.java:319)
	at org.jgroups.protocols.FRAG2.up(FRAG2.java:188)
	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:820)
	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:233)
	at org.jgroups.protocols.UNICAST.up(UNICAST.java:328)
	at org.jgroups.protocols.pbcast.NAKACK.handleMessage(NAKACK.java:895)
	at org.jgroups.protocols.pbcast.NAKACK.up(NAKACK.java:708)
	at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:167)
	at org.jgroups.protocols.FD.up(FD.java:284)
	at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:307)
	at org.jgroups.protocols.MERGE2.up(MERGE2.java:144)
	at org.jgroups.protocols.Discovery.up(Discovery.java:264)
	at org.jgroups.protocols.PING.up(PING.java:273)
	at org.jgroups.protocols.TP.passMessageUp(TP.java:1273)
	at org.jgroups.protocols.TP.access$100(TP.java:49)
	at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1826)
	at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1805)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)

and following is my config:

<jbosscache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:jboss:jbosscache-core:config:3.2">

    <locking isolationLevel="REPEATABLE_READ"
             lockParentForChildInsertRemove="false"
             lockAcquisitionTimeout="5000"
             nodeLockingScheme="mvcc"
             writeSkewCheck="true"
             useLockStriping="true"
             concurrencyLevel="10000"/>

    <clustering mode="replication" clusterName="JBossCache-cluster">
        <stateRetrieval timeout="5000" fetchInMemoryState="false" nonBlocking="false"/>
        <sync replTimeout="5000"/>
        <jgroupsConfig>
            <UDP discard_incompatible_packets="true" enable_bundling="false" enable_diagnostics="false" ip_ttl="2"
                 loopback="false" max_bundle_size="64000" max_bundle_timeout="30" mcast_addr="224.0.0.1"
                 mcast_port="45588" mcast_recv_buf_size="25000000" mcast_send_buf_size="640000"
                 oob_thread_pool.enabled="true" oob_thread_pool.keep_alive_time="10000" oob_thread_pool.max_threads="4"
                 oob_thread_pool.min_threads="1" oob_thread_pool.queue_enabled="true"
                 oob_thread_pool.queue_max_size="10"
                 oob_thread_pool.rejection_policy="Run" thread_naming_pattern="pl" thread_pool.enabled="true"
                 thread_pool.keep_alive_time="30000" thread_pool.max_threads="25" thread_pool.min_threads="1"
                 thread_pool.queue_enabled="true" thread_pool.queue_max_size="10" thread_pool.rejection_policy="Run"
                 tos="8" ucast_recv_buf_size="20000000" ucast_send_buf_size="640000" use_concurrent_stack="true"
                 use_incoming_packet_handler="true"/>
            <PING num_initial_members="3" timeout="2000"/>
            <MERGE2 max_interval="30000" min_interval="10000"/>
            <FD_SOCK/>
            <FD max_tries="5" shun="true" timeout="10000"/>
            <VERIFY_SUSPECT timeout="1500"/>
            <pbcast.NAKACK discard_delivered_msgs="true" gc_lag="0" retransmit_timeout="300,600,1200,2400,4800"
                           use_mcast_xmit="false"/>
            <UNICAST timeout="300,600,1200,2400,3600"/>
            <pbcast.STABLE desired_avg_gossip="50000" max_bytes="400000" stability_delay="1000"/>
            <pbcast.GMS join_timeout="5000" print_local_addr="true" shun="false" view_ack_collection_timeout="5000"
                        view_bundling="true"/>
            <FRAG2 frag_size="60000"/>
            <pbcast.STREAMING_STATE_TRANSFER/>
            <pbcast.FLUSH timeout="0"/>
        </jgroupsConfig>
    </clustering>

</jbosscache>



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