Session bleed under heavy load...any suggestions?

hello.
i'm working on an application that has user sensitive data and we are seeing session bleed under heavy load (ie users reporting seeing other users data, error reports with missing session values, things along thoes lines).  the app itself is typical stuff; a user logs in, they see information specific to their user account and do things with it.  some of that information comes from the session.  this all seems to work fine under normal load (100 or less users), or with a few users testing, but fails under heavy load (1000+ concurrent users).  we cannot reporoduce it locally, nor can we see it when we log into the system ourselves and click around during peak load times.
here is some more detail.  as i mentioned, we are storing certain user informaiton in the session.  we use an exclusive lock of the session scope to write that info, and a readonly lock of the session scope to read it (i am quadruple checking this now).  this app is running in a multi-instance clustered environment (all on the same server).  CF8 with IIS.  we are using j2ee session management, with sticky sessions and session  replication on.  we were seeing the session bleed before the clustering was introduced however...
one caveat is that a huge number of our users come from behind a proxy  system, meaning they all have the same IP.  i did some searching on this, but could not find any definitive information that it would create a problem with session variables.
i was wondering if anyone else had seen this kind of problem and/or had any suggestions in dealing with it?
thanks.

the jury is still out to a degree, but i think we've identified the culprit(s) of our session bleed for anyone interested.  it boiled down to two problems.
1.  var scoping issues.  unfortunately this was a fairly old application, written before we strictly employed best pracitices on var scoping variables within functions in all our cfc's.  we've fixed the bad code and our session bleed problems seemed to have stopped.  there is a great utility for checking code for var scoping problems available at: http://varscoper.riaforge.org/
2.  a misunderstanding of how cflock with a timeout setting (and no throw on error)  behaves.  aside from session bleed, it turned out we had another issue in there, which was expected session values missing all together.  the crux of the problem is that we had set our cflock read/write timeout's to 30 seconds.  under the extremely heavy load, requests were routinely exceeding those timeout thresholds.  the locks were not set to throw on error, so when the timeout threshold was exceeded, the code within the lock ended up just being skipped.  this was leading to missing data in the session. temporarily we've simply increased the timeout setting to a large number, which has fixed our problem.  eventually we'll set these locks to throw on error and handle the exception in a more graceful manner.
hope this helps someone.

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    00000044           entry.setValue(log);
    00000045
    00000046           return log;          
    00000047      }
    00000048
    00000049      public void readExternal(PofReader reader) throws IOException {
    00000050           this.log = (Log) reader.readObject(0);
    00000051      }
    00000052
    00000053      public void writeExternal(PofWriter writer) throws IOException {
    00000054           writer.writeObject(0, log);
    00000055      }     
    00000056 }Edited by: user12249856 on Jan 21, 2010 8:12 AM
    Edited by: user12249856 on Jan 21, 2010 8:13 AM
    Edited by: user12249856 on Jan 21, 2010 8:14 AM
    Edited by: user12249856 on Jan 21, 2010 9:07 AM
    Edited by: user12249856 on Jan 21, 2010 10:15 AM

    Done look at the original thread logs are below... I'm thinking that the key is no longer in the cache at the point the processor fires?
    I can also assure you that there is only to instance of coherence running
    1- The actual cache server node
    2- The client, set to localstorage = false
    I ensure the cache server starts and then I start the client.
    Logs
    2010-01-21 13:36:12.596/0.234 Oracle Coherence 3.5.2/463 <Info> (thread=main, member=n/a): Loaded operational configuration from resource "jar:file:/xxxxxx/coherence/lib/coherence.jar!/tangosol-coherence.xml"
    2010-01-21 13:36:12.596/0.234 Oracle Coherence 3.5.2/463 <Info> (thread=main, member=n/a): Loaded operational overrides from resource "jar:file:/xxxxxx/coherence/lib/coherence.jar!/tangosol-coherence-override-dev.xml"
    2010-01-21 13:36:12.596/0.234 Oracle Coherence 3.5.2/463 <Info> (thread=main, member=n/a): Loaded operational overrides from resource "jar:file:/xxxxxx/coherence/lib/coherence-common-1.5.0.jar!/tangosol-coherence-override.xml"
    2010-01-21 13:36:12.596/0.234 Oracle Coherence 3.5.2/463 <D5> (thread=main, member=n/a): Optional configuration override "/custom-mbeans.xml" is not specified
    Oracle Coherence Version 3.5.2/463
    Grid Edition: Development mode
    Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
    2010-01-21 13:36:12.784/0.422 Oracle Coherence GE 3.5.2/463 <Info> (thread=main, member=n/a): Loaded cache configuration from "file:/xxxxxx/coherence/bin/test-cache-config.xml"
    2010-01-21 13:36:12.799/0.437 Oracle Coherence GE 3.5.2/463 <Info> (thread=main, member=n/a): Loaded cache configuration from "jar:file:/xxxxxx/coherence/lib/coherence-commandpattern-2.5.0.jar!/coherence-commandpattern-pof-cache-config.xml"
    2010-01-21 13:36:12.799/0.437 Oracle Coherence GE 3.5.2/463 <Info> (thread=main, member=n/a): Loaded cache configuration from "jar:file:/xxxxxx/coherence/lib/coherence-common-1.5.0.jar!/coherence-common-cache-config.xml"
    2010-01-21 13:36:13.159/0.797 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=n/a): Service Cluster joined the cluster with senior service member n/a
    2010-01-21 13:36:16.409/4.047 Oracle Coherence GE 3.5.2/463 <Info> (thread=Cluster, member=n/a): Created a new cluster "cluster:0xD3FB" with Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer, Edition=Grid Edition, Mode=Development, CpuCount=4, SocketCount=2) UID=0x0A00004200000126522B95890A421F98
    2010-01-21 13:36:16.424/4.062 Oracle Coherence GE 3.5.2/463 <D5> (thread=Invocation:Management, member=1): Service Management joined the cluster with senior service member 1
    2010-01-21 13:36:16.627/4.265 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForSequenceGenerators, member=1): Service DistributedCacheForSequenceGenerators joined the cluster with senior service member 1
    2010-01-21 13:36:16.643/4.281 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Service DistributedCacheForCommandPattern joined the cluster with senior service member 1
    2010-01-21 13:36:16.659/4.297 Oracle Coherence GE 3.5.2/463 <Info> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Loading POF configuration from resource "file:/xxxxxx/coherence/bin/test-pof-config.xml"
    2010-01-21 13:36:16.659/4.297 Oracle Coherence GE 3.5.2/463 <Info> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Loading POF configuration from resource "jar:file:/xxxxxx/coherence/lib/coherence.jar!/coherence-pof-config.xml"
    2010-01-21 13:36:16.659/4.297 Oracle Coherence GE 3.5.2/463 <Info> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Loading POF configuration from resource "jar:file:/xxxxxx/coherence/lib/coherence-common-1.5.0.jar!/coherence-common-pof-config.xml"
    2010-01-21 13:36:16.674/4.312 Oracle Coherence GE 3.5.2/463 <Info> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Loading POF configuration from resource "jar:file:/xxxxxx/coherence/lib/coherence-commandpattern-2.5.0.jar!/coherence-commandpattern-pof-config.xml"
    2010-01-21 13:36:16.752/4.390 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPatternDistributedCommands, member=1): Service DistributedCacheForCommandPatternDistributedCommands joined the cluster with senior service member 1
    2010-01-21 13:36:16.752/4.390 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:SequencesService, member=1): Service SequencesService joined the cluster with senior service member 1
    2010-01-21 13:36:16.752/4.390 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:ModelService, member=1): Service ModelService joined the cluster with senior service member 1
    2010-01-21 13:36:16.768/4.406 Oracle Coherence GE 3.5.2/463 <Info> (thread=main, member=1): Started DefaultCacheServer...
    SafeCluster: Name=cluster:0xD3FB
    Group{Address=224.3.5.2, Port=35463, TTL=4}
    MasterMemberSet
    ThisMember=Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)
    OldestMember=Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)
    ActualMemberSet=MemberSet(Size=1, BitSetCount=2
    Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)
    RecycleMillis=120000
    RecycleSet=MemberSet(Size=0, BitSetCount=0
    Services
    TcpRing{TcpSocketAccepter{State=STATE_OPEN, ServerSocket=xxxxxx:8088}, Connections=[]}
    ClusterService{Name=Cluster, State=(SERVICE_STARTED, STATE_JOINED), Id=0, Version=3.5, OldestMemberId=1}
    InvocationService{Name=Management, State=(SERVICE_STARTED), Id=1, Version=3.1, OldestMemberId=1}
    DistributedCache{Name=DistributedCacheForSequenceGenerators, State=(SERVICE_STARTED), LocalStorage=enabled, PartitionCount=257, BackupCount=1, AssignedPartitions=257, BackupPartitions=0}
    DistributedCache{Name=DistributedCacheForCommandPattern, State=(SERVICE_STARTED), LocalStorage=enabled, PartitionCount=257, BackupCount=1, AssignedPartitions=257, BackupPartitions=0}
    DistributedCache{Name=DistributedCacheForCommandPatternDistributedCommands, State=(SERVICE_STARTED), LocalStorage=enabled, PartitionCount=257, BackupCount=1, AssignedPartitions=257, BackupPartitions=0}
    DistributedCache{Name=SequencesService, State=(SERVICE_STARTED), LocalStorage=enabled, PartitionCount=257, BackupCount=1, AssignedPartitions=257, BackupPartitions=0}
    DistributedCache{Name=ModelService, State=(SERVICE_STARTED), LocalStorage=enabled, PartitionCount=257, BackupCount=1, AssignedPartitions=257, BackupPartitions=0}
    2010-01-21 13:36:47.534/35.172 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member(Id=2, Timestamp=2010-01-21 13:36:47.346, Address=xxxxxx:8088, MachineId=2648, Location=site:xxxxxx.net,machine:xxxxxx,process:1912, Role=MortbayStartMain) joined Cluster with senior member 1
    2010-01-21 13:36:47.580/35.218 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member 2 joined Service Management with senior member 1
    2010-01-21 13:36:47.768/35.406 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member 2 joined Service SequencesService with senior member 1
    2010-01-21 13:36:47.877/35.515 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:SequencesService, member=1): Service SequencesService: sending ServiceConfigSync containing 258 entries to Member 2
    2010-01-21 13:36:47.971/35.609 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member 2 joined Service DistributedCacheForCommandPattern with senior member 1
    2010-01-21 13:36:47.971/35.609 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Service DistributedCacheForCommandPattern: sending ServiceConfigSync containing 258 entries to Member 2
    2010-01-21 13:36:48.034/35.672 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Context Identifier{TestEncrypt} has been inserted into this member
    2010-01-21 13:36:48.034/35.672 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Creating CommandExecutor for Identifier{TestEncrypt}
    2010-01-21 13:36:48.065/35.703 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Created CommandExecutor for Identifier{TestEncrypt}
    2010-01-21 13:36:48.065/35.703 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPattern, member=1): Scheduling ContextExecutor for Identifier{TestEncrypt} to start
    2010-01-21 13:36:48.065/35.703 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): Starting CommandExecutor for Identifier{TestEncrypt}
    2010-01-21 13:36:48.080/35.718 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): CommandExecutor for Identifier{TestEncrypt} has been configured as DefaultContextConfiguration{managementStrategy=DISTRIBUTED}
    2010-01-21 13:36:48.080/35.718 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): Recovering unexecuted commands for CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:36:48.127/35.765 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): No commands to recover for CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:36:48.127/35.765 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): Registering JMX management extensions for CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:36:48.127/35.765 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): No commands to execute for CommandExecutor Identifier{TestEncrypt}. (waiting for commands to be submitted)
    2010-01-21 13:36:48.127/35.765 Oracle Coherence GE 3.5.2/463 <D5> (thread=CommandExecutor:Thread-2, member=1): Started CommandExecutor for Identifier{TestEncrypt}
    2010-01-21 13:36:48.424/36.062 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): TcpRing: connecting to member 2 using TcpSocket{State=STATE_OPEN, Socket=Socket[addr=/xxxxxx,port=8088,localport=3301]}
    2010-01-21 13:37:26.940/74.578 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member 2 joined Service ModelService with senior member 1
    2010-01-21 13:37:26.940/74.578 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:ModelService, member=1): Service ModelService: sending ServiceConfigSync containing 258 entries to Member 2
    2010-01-21 13:37:27.362/75.000 Oracle Coherence GE 3.5.2/463 <D5> (thread=Cluster, member=1): Member 2 joined Service DistributedCacheForCommandPatternDistributedCommands with senior member 1
    2010-01-21 13:37:27.377/75.015 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:DistributedCacheForCommandPatternDistributedCommands, member=1): Service DistributedCacheForCommandPatternDistributedCommands: sending ServiceConfigSync containing 259 entries to Member 2
    2010-01-21 13:38:30.721/138.359 Oracle Coherence GE 3.5.2/463 <Error> (thread=DistributedCache:ModelService, member=1): Attempting recovery (due to soft timeout) of Daemon{Thread="Thread[WriteBehindThread:CacheStoreWrapper(com.tangosol.coherence.jpa.JpaCacheStore),5,WriteBehindThread:CacheStoreWrapper(com.tangosol.coherence.jpa.JpaCacheStore)]", State=Running}
    2010-01-21 13:38:34.268/141.906 Oracle Coherence GE 3.5.2/463 <Error> (thread=DistributedCache:ModelService, member=1): Terminating guarded execution (due to hard timeout) of Daemon{Thread="Thread[WriteBehindThread:CacheStoreWrapper(com.tangosol.coherence.jpa.JpaCacheStore),5,WriteBehindThread:CacheStoreWrapper(com.tangosol.coherence.jpa.JpaCacheStore)]", State=Running}
    2010-01-21 13:38:34.268/141.906 Oracle Coherence GE 3.5.2/463 <Error> (thread=Termination Thread, member=1): Write-behind thread timed out; stopping the cache service
    2010-01-21 13:38:34.284/141.922 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:ModelService, member=1): Service ModelService left the cluster
    2010-01-21 13:38:34.487/142.125 Oracle Coherence GE 3.5.2/463 <Error> (thread=CommandExecutor:Thread-4, member=1): Failed to execute CommandExecutionRequest.Key{contextIdentifier=Identifier{TestEncrypt}, ticket=Ticket{1.1223}, managementStrategy=DISTRIBUTED} with CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:38:34.487/142.125 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): java.lang.RuntimeException: Service has been terminated
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BinaryMap.onMissingStorage(DistributedCache.CDB:9)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BinaryMap.ensureRequestTarget(DistributedCache.CDB:34)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$BinaryMap.invoke(DistributedCache.CDB:20)
         at com.tangosol.util.ConverterCollections$ConverterInvocableMap.invoke(ConverterCollections.java:2110)
         at com.tangosol.util.ConverterCollections$ConverterNamedCache.invoke(ConverterCollections.java:2565)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$ViewMap.invoke(DistributedCache.CDB:11)
         at com.tangosol.coherence.component.util.SafeNamedCache.invoke(SafeNamedCache.CDB:1)
         at ca.xxxxxx.coherence.command.EncryptCommand.execute(EncryptCommand.java:92)
         at com.oracle.coherence.patterns.command.internal.CommandExecutor.execute(CommandExecutor.java:889)
         at com.oracle.coherence.patterns.command.internal.CommandExecutor$3.run(CommandExecutor.java:960)
         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:207)
         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)
    2010-01-21 13:38:34.487/142.125 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): Restarting Service: ModelService
    2010-01-21 13:38:34.502/142.140 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:ModelService, member=1): Service ModelService joined the cluster with senior service member 2
    2010-01-21 13:38:34.518/142.156 Oracle Coherence GE 3.5.2/463 <D5> (thread=DistributedCache:ModelService, member=1): Service ModelService: received ServiceConfigSync containing 259 entries
    2010-01-21 13:38:34.518/142.156 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): Restarting NamedCache: ca.xxxxxx.model.Log
    2010-01-21 13:38:34.549/142.187 Oracle Coherence GE 3.5.2/463 <Warning> (thread=DistributedCache:ModelService, member=1): Assigned 257 orphaned primary partitions
    2010-01-21 13:38:34.549/142.187 Oracle Coherence GE 3.5.2/463 <D4> (thread=DistributedCache:ModelService, member=1): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256,
    2010-01-21 13:38:34.643/142.281 Oracle Coherence GE 3.5.2/463 <Error> (thread=CommandExecutor:Thread-4, member=1): Failed to execute CommandExecutionRequest.Key{contextIdentifier=Identifier{TestEncrypt}, ticket=Ticket{1.1224}, managementStrategy=DISTRIBUTED} with CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:38:34.643/142.281 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): (Wrapped: Failed request execution for ModelService service on Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)) java.lang.NullPointerException
         at com.tangosol.util.Base.ensureRuntimeException(Base.java:293)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.tagException(Grid.CDB:36)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:80)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$InvokeRequest.run(DistributedCache.CDB:1)
         at com.tangosol.coherence.component.net.message.requestMessage.DistributedCacheKeyRequest.onReceived(DistributedCacheKeyRequest.CDB:12)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onMessage(Grid.CDB:9)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onNotify(Grid.CDB:136)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onNotify(DistributedCache.CDB:3)
         at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:42)
         at java.lang.Thread.run(Thread.java:619)
    Caused by: java.lang.NullPointerException
         at ca.xxxxxx.coherence.command.EncryptProcessor.process(EncryptProcessor.java:41)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$Storage.invoke(DistributedCache.CDB:20)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:50)
         ... 7 more
    2010-01-21 13:38:34.705/142.343 Oracle Coherence GE 3.5.2/463 <Error> (thread=CommandExecutor:Thread-4, member=1): Failed to execute CommandExecutionRequest.Key{contextIdentifier=Identifier{TestEncrypt}, ticket=Ticket{1.1225}, managementStrategy=DISTRIBUTED} with CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:38:34.721/142.359 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): (Wrapped: Failed request execution for ModelService service on Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)) java.lang.NullPointerException
         at com.tangosol.util.Base.ensureRuntimeException(Base.java:293)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.tagException(Grid.CDB:36)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:80)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$InvokeRequest.run(DistributedCache.CDB:1)
         at com.tangosol.coherence.component.net.message.requestMessage.DistributedCacheKeyRequest.onReceived(DistributedCacheKeyRequest.CDB:12)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onMessage(Grid.CDB:9)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onNotify(Grid.CDB:136)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onNotify(DistributedCache.CDB:3)
         at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:42)
         at java.lang.Thread.run(Thread.java:619)
    Caused by: java.lang.NullPointerException
         at ca.xxxxxx.coherence.command.EncryptProcessor.process(EncryptProcessor.java:41)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$Storage.invoke(DistributedCache.CDB:20)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:50)
         ... 7 more
    2010-01-21 13:38:34.784/142.422 Oracle Coherence GE 3.5.2/463 <Error> (thread=CommandExecutor:Thread-4, member=1): Failed to execute CommandExecutionRequest.Key{contextIdentifier=Identifier{TestEncrypt}, ticket=Ticket{1.1226}, managementStrategy=DISTRIBUTED} with CommandExecutor Identifier{TestEncrypt}
    2010-01-21 13:38:34.784/142.422 Oracle Coherence GE 3.5.2/463 <Info> (thread=CommandExecutor:Thread-4, member=1): (Wrapped: Failed request execution for ModelService service on Member(Id=1, Timestamp=2010-01-21 13:36:13.065, Address=xxxxxx:8088, MachineId=2626, Location=site:xxxxxx.net,machine:xxxxxx,process:40488, Role=CoherenceServer)) java.lang.NullPointerException
         at com.tangosol.util.Base.ensureRuntimeException(Base.java:293)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.tagException(Grid.CDB:36)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:80)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache$InvokeRequest.run(DistributedCache.CDB:1)
         at com.tangosol.coherence.component.net.message.requestMessage.DistributedCacheKeyRequest.onReceived(DistributedCacheKeyRequest.CDB:12)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onMessage(Grid.CDB:9)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.onNotify(Grid.CDB:136)
         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onNotify(DistributedCache.CDB:3)
         at com.tangosol.coherence.component.util.Daemon.run(Daemon.CDB:42)
         at java.lang.Thread.run(Thread.java:619)
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         at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.DistributedCache.onInvokeRequest(DistributedCache.CDB:50)
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  • Broken TCP stack in latest kernel when under heavy load

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    18:52:58.512641 IP 0.0.0.0.80 > 0.0.0.0.3528: Flags [FP.], seq 0, ack 1, win 14600, length 0
    18:52:58.512662 IP 0.0.0.0.80 > 0.0.0.0.4509: Flags [FP.], seq 0, ack 1, win 14400, length 0
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    18:52:58.512702 IP 0.0.0.0.80 > 0.0.0.0.2455: Flags [FP.], seq 0, ack 1, win 10240, length 0
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    18:52:59.979497 IP 0.0.0.0.80 > 0.0.0.0.2920: Flags [FP.], seq 0:268, ack 1, win 980, options [nop,nop,TS val 745952 ecr 18879], length 268
    18:52:59.979527 IP 0.0.0.0.80 > 0.0.0.0.2922: Flags [FP.], seq 0:268, ack 1, win 980, options [nop,nop,TS val 745952 ecr 18879], length 268
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    Last edited by nullvoid (2011-10-29 17:19:57)

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    Go to Solution.

    ryanpm wrote:
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