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https://issues.apache.org/jira/browse/IGNITE-1139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14638763#comment-14638763
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Denis Magda commented on IGNITE-1139:
-------------------------------------
According to the error log the issue is reproduced when shared memory clients
are used for communication SPI instead of TCP ones.
This error is not reproduced on TCP communication clients. Will investigated
shared memory communication clients.
> AssertionError: Client already created
> --------------------------------------
>
> Key: IGNITE-1139
> URL: https://issues.apache.org/jira/browse/IGNITE-1139
> Project: Ignite
> Issue Type: Bug
> Components: general
> Affects Versions: sprint-7
> Reporter: Denis Magda
> Assignee: Denis Magda
> Priority: Critical
>
> TcpDiscoveryMultiThreadedTest.testMultiThreadedClientsRestart() fails
> periodically with the following error.
> {noformat}
> Exception in thread
> "disco-event-worker-#73201%tcp.TcpDiscoveryMultiThreadedTest8%"
> java.lang.AssertionError: Client already created [node=TcpDiscoveryNode
> [id=309535cb-80b5-4ed6-b0e7-c04611755003, addrs=[127.0.0.1],
> sockAddrs=[/127.0.0.1:47503], discPort=47503, order=4, intOrder=4,
> lastDataReceivedTime=1437567468785, loc=false,
> ver=1.4.1#19700101-sha1:00000000, isClient=false],
> client=GridShmemCommunicationClient [shmem=IpcSharedMemoryClientEndpoint
> [inSpace=IpcSharedMemorySpace [opSize=262144, shmemPtr=4953428032,
> shmemId=1804992515, semId=724303885, closed=false, isReader=true,
> writerPid=78415, readerPid=78415,
> tokFileName=/Users/teamcity/buildAgent/temp/buildTmp/ignite/work/ipc/shmem/309535cb-80b5-4ed6-b0e7-c04611755003-78415/gg-shmem-space-7301-78415-262144,
> closed=false], outSpace=IpcSharedMemorySpace [opSize=262144,
> shmemPtr=4953694272, shmemId=805961739, semId=724959244, closed=false,
> isReader=false, writerPid=78415, readerPid=78415,
> tokFileName=/Users/teamcity/buildAgent/temp/buildTmp/ignite/work/ipc/shmem/309535cb-80b5-4ed6-b0e7-c04611755003-78415/gg-shmem-space-7300-78415-262144,
> closed=false], checkIn=true, checkOut=true],
> writeBuf=java.nio.HeapByteBuffer[pos=0 lim=8192 cap=8192],
> formatter=org.apache.ignite.internal.managers.communication.GridIoManager$2@158a9e5b,
> super=GridAbstractCommunicationClient [lastUsed=1437567468895, reserves=0]],
> oldClient=GridTcpNioCommunicationClient [ses=GridSelectorNioSessionImpl
> [selectorIdx=1, queueSize=0, writeBuf=java.nio.DirectByteBuffer[pos=0
> lim=32768 cap=32768], readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768
> cap=32768], recovery=GridNioRecoveryDescriptor [acked=0, resendCnt=0,
> rcvCnt=1, reserved=true, lastAck=0, nodeLeft=false, node=TcpDiscoveryNode
> [id=309535cb-80b5-4ed6-b0e7-c04611755003, addrs=[127.0.0.1],
> sockAddrs=[/127.0.0.1:47503], discPort=47503, order=4, intOrder=4,
> lastDataReceivedTime=1437567468785, loc=false,
> ver=1.4.1#19700101-sha1:00000000, isClient=false], connected=true,
> connectCnt=0, queueLimit=5120], super=GridNioSessionImpl
> [locAddr=/127.0.0.1:45149, rmtAddr=/127.0.0.1:55911,
> createTime=1437567468895, closeTime=0, bytesSent=26, bytesRcvd=37,
> sndSchedTime=1437567468895, lastSndTime=1437567468895,
> lastRcvTime=1437567468895, readsPaused=false,
> filterChain=FilterChain[filters=[GridNioCodecFilter
> [parser=org.apache.ignite.internal.util.nio.GridDirectParser@2768ec28,
> directMode=true], GridConnectionBytesVerifyFilter], accepted=true]],
> super=GridAbstractCommunicationClient [lastUsed=1437567468895, reserves=0]]]
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.reserveClient(TcpCommunicationSpi.java:1834)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage(TcpCommunicationSpi.java:1765)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage(TcpCommunicationSpi.java:153)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1010)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1077)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.send(GridCacheIoManager.java:599)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.sendLocalPartitions(GridDhtPartitionsExchangeFuture.java:914)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.sendPartitions(GridDhtPartitionsExchangeFuture.java:957)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.recheck(GridDhtPartitionsExchangeFuture.java:1426)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.access$1800(GridDhtPartitionsExchangeFuture.java:54)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture$5.apply(GridDhtPartitionsExchangeFuture.java:1370)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture$5.apply(GridDhtPartitionsExchangeFuture.java:1297)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(GridFutureAdapter.java:241)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.util.future.GridFutureAdapter.listen(GridFutureAdapter.java:204)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onNodeLeft(GridDhtPartitionsExchangeFuture.java:1297)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$1.onEvent(GridCachePartitionExchangeManager.java:139)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.notifyListeners(GridEventStorageManager.java:745)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.notifyListeners(GridEventStorageManager.java:730)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.eventstorage.GridEventStorageManager.record(GridEventStorageManager.java:270)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.recordEvent(GridDiscoveryManager.java:1850)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.body0(GridDiscoveryManager.java:2057)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryWorker.body(GridDiscoveryManager.java:1890)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:108)
> [15:17:48]W: [org.apache.ignite:ignite-core] at
> java.lang.Thread.run(Thread.java:722)
> {noformat}
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