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https://issues.apache.org/jira/browse/IGNITE-4181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16101485#comment-16101485
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Andrey Kuznetsov commented on IGNITE-4181:
------------------------------------------
[~avinogradov], Please review our changes. Public API reproducer was added
recently.
> The several runs of ServicesExample causes NPE
> ----------------------------------------------
>
> Key: IGNITE-4181
> URL: https://issues.apache.org/jira/browse/IGNITE-4181
> Project: Ignite
> Issue Type: Bug
> Components: general
> Affects Versions: 1.6, 1.7, 2.0
> Environment: Windows 10, Oracle JDK 7
> Reporter: Sergey Kozlov
> Assignee: Dmitriy Sorokin
> Labels: newbie
> Fix For: 2.2
>
>
> 0. Open example project in IDEA
> 1. Start 2-3 {{ExampleNodeStartup}}
> 2. Run {{ServicesExample}} several times.
> Sometimes it causes NullPointerException:
> {noformat}
> Executing closure [mapSize=10]
> Service was cancelled: myNodeSingletonService
> [15:37:20,020][INFO ][srvc-deploy-#24%null%][GridServiceProcessor] Cancelled
> service instance [name=myNodeSingletonService,
> execId=88a92a4d-c1cb-4a9b-8930-c67ac7f42bf3]
> [15:37:20,032][INFO ][sys-#33%null%][GridCacheProcessor] Stopped cache:
> myNodeSingletonService
> [15:37:20,033][INFO
> ][exchange-worker-#23%null%][GridCachePartitionExchangeManager] Skipping
> rebalancing (nothing scheduled) [top=AffinityTopologyVersion [topVer=10,
> minorTopVer=4], evt=DISCOVERY_CUSTOM_EVT,
> node=5faac72a-72ab-4277-9643-0e962973b3f4]
> [15:37:20,045][INFO ][sys-#39%null%][GridCacheProcessor] Stopped cache:
> myClusterSingletonService
> [15:37:20,046][INFO
> ][exchange-worker-#23%null%][GridCachePartitionExchangeManager] Skipping
> rebalancing (nothing scheduled) [top=AffinityTopologyVersion [topVer=10,
> minorTopVer=5], evt=DISCOVERY_CUSTOM_EVT,
> node=478f1752-fdce-42c6-aef6-55a5f4c08d90]
> [15:37:20,062][INFO ][disco-event-worker-#20%null%][GridDiscoveryManager]
> Node left topology: TcpDiscoveryNode
> [id=4f9cbc67-d756-4c25-9ee4-aee6528da024, addrs=[0:0:0:0:0:0:0:1, 127.0.0.1,
> 172.25.4.107, 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269],
> sockAddrs=[/2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:0, /127.0.0.1:0,
> /0:0:0:0:0:0:0:1:0, work-pc/172.25.4.107:0], discPort=0, order=10,
> intOrder=7, lastExchangeTime=1478522239236, loc=false,
> ver=1.7.3#20161107-sha1:5132ac87, isClient=true]
> [15:37:20,063][INFO ][disco-event-worker-#20%null%][GridDiscoveryManager]
> Topology snapshot [ver=11, servers=3, clients=0, CPUs=8, heap=11.0GB]
> [15:37:20,064][INFO ][sys-#44%null%][GridCacheProcessor] Stopped cache:
> myMultiService
> [15:37:20,066][INFO
> ][exchange-worker-#23%null%][GridCachePartitionExchangeManager] Skipping
> rebalancing (nothing scheduled) [top=AffinityTopologyVersion [topVer=10,
> minorTopVer=6], evt=DISCOVERY_CUSTOM_EVT,
> node=5faac72a-72ab-4277-9643-0e962973b3f4]
> [15:37:20,076][INFO ][exchange-worker-#23%null%][GridCacheProcessor] Started
> cache [name=myClusterSingletonService, mode=PARTITIONED]
> [15:37:20,115][INFO
> ][exchange-worker-#23%null%][GridCachePartitionExchangeManager] Skipping
> rebalancing (nothing scheduled) [top=AffinityTopologyVersion [topVer=10,
> minorTopVer=7], evt=DISCOVERY_CUSTOM_EVT,
> node=478f1752-fdce-42c6-aef6-55a5f4c08d90]
> [15:37:20,121][INFO
> ][exchange-worker-#23%null%][GridCachePartitionExchangeManager] Skipping
> rebalancing (nothing scheduled) [top=AffinityTopologyVersion [topVer=11,
> minorTopVer=0], evt=NODE_LEFT, node=4f9cbc67-d756-4c25-9ee4-aee6528da024]
> [15:37:20,133][INFO ][exchange-worker-#23%null%][GridCacheProcessor] Started
> cache [name=myMultiService, mode=PARTITIONED]
> [15:37:20,135][ERROR][exchange-worker-#23%null%][GridDhtPartitionsExchangeFuture]
> Failed to reinitialize local partitions (preloading will be stopped):
> GridDhtPartitionExchangeId [topVer=AffinityTopologyVersion [topVer=11,
> minorTopVer=1], nodeId=5faac72a, evt=DISCOVERY_CUSTOM_EVT]
> java.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.initStartedCacheOnCoordinator(CacheAffinitySharedManager.java:743)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.onCacheChangeRequest(CacheAffinitySharedManager.java:413)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onCacheChangeRequest(GridDhtPartitionsExchangeFuture.java:565)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:448)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:1447)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> at java.lang.Thread.run(Thread.java:745)
> [15:37:20,142][ERROR][exchange-worker-#23%null%][GridCachePartitionExchangeManager]
> Failed to wait for completion of partition map exchange (preloading will not
> start): GridDhtPartitionsExchangeFuture [dummy=false, forcePreload=false,
> reassign=false, discoEvt=DiscoveryCustomEvent [customMsg=null,
> affTopVer=AffinityTopologyVersion [topVer=11, minorTopVer=1],
> super=DiscoveryEvent [evtNode=TcpDiscoveryNode
> [id=5faac72a-72ab-4277-9643-0e962973b3f4, addrs=[0:0:0:0:0:0:0:1, 127.0.0.1,
> 172.25.4.107, 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269],
> sockAddrs=[work-pc/172.25.4.107:47501, /127.0.0.1:47501,
> /0:0:0:0:0:0:0:1:47501, /2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:47501],
> discPort=47501, order=3, intOrder=3, lastExchangeTime=1478522196962,
> loc=false, ver=1.7.3#20161107-sha1:5132ac87, isClient=false], topVer=11,
> nodeId8=bbcf9d48, msg=null, type=DISCOVERY_CUSTOM_EVT,
> tstamp=1478522240108]], crd=TcpDiscoveryNode
> [id=bbcf9d48-980f-43a1-9219-2456baf49262, addrs=[0:0:0:0:0:0:0:1, 127.0.0.1,
> 172.25.4.107, 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269],
> sockAddrs=[/2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:47500, /127.0.0.1:47500,
> /0:0:0:0:0:0:0:1:47500, work-pc/172.25.4.107:47500], discPort=47500, order=1,
> intOrder=1, lastExchangeTime=1478522240139, loc=true,
> ver=1.7.3#20161107-sha1:5132ac87, isClient=false],
> exchId=GridDhtPartitionExchangeId [topVer=AffinityTopologyVersion [topVer=11,
> minorTopVer=1], nodeId=5faac72a, evt=DISCOVERY_CUSTOM_EVT], added=true,
> initFut=GridFutureAdapter [resFlag=2, res=false, startTime=1478522240108,
> endTime=1478522240128, ignoreInterrupts=false, state=DONE], init=false,
> topSnapshot=null, lastVer=null, partReleaseFut=null, affChangeMsg=null,
> skipPreload=false, clientOnlyExchange=false, initTs=1478522240118,
> centralizedAff=false, evtLatch=0,
> remaining=[478f1752-fdce-42c6-aef6-55a5f4c08d90,
> 5faac72a-72ab-4277-9643-0e962973b3f4], srvNodes=[TcpDiscoveryNode
> [id=bbcf9d48-980f-43a1-9219-2456baf49262, addrs=[0:0:0:0:0:0:0:1, 127.0.0.1,
> 172.25.4.107, 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269],
> sockAddrs=[/2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:47500, /127.0.0.1:47500,
> /0:0:0:0:0:0:0:1:47500, work-pc/172.25.4.107:47500], discPort=47500, order=1,
> intOrder=1, lastExchangeTime=1478522240139, loc=true,
> ver=1.7.3#20161107-sha1:5132ac87, isClient=false], TcpDiscoveryNode
> [id=478f1752-fdce-42c6-aef6-55a5f4c08d90, addrs=[0:0:0:0:0:0:0:1, 127.0.0.1,
> 172.25.4.107, 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269],
> sockAddrs=[work-pc/172.25.4.107:47502,
> /2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:47502, /127.0.0.1:47502,
> /0:0:0:0:0:0:0:1:47502], discPort=47502, order=2, intOrder=2,
> lastExchangeTime=1478522194286, loc=false, ver=1.7.3#20161107-sha1:5132ac87,
> isClient=false], TcpDiscoveryNode [id=5faac72a-72ab-4277-9643-0e962973b3f4,
> addrs=[0:0:0:0:0:0:0:1, 127.0.0.1, 172.25.4.107,
> 2001:0:9d38:6ab8:34b2:9f3e:3c6f:269], sockAddrs=[work-pc/172.25.4.107:47501,
> /127.0.0.1:47501, /0:0:0:0:0:0:0:1:47501,
> /2001:0:9d38:6ab8:34b2:9f3e:3c6f:269:47501], discPort=47501, order=3,
> intOrder=3, lastExchangeTime=1478522196962, loc=false,
> ver=1.7.3#20161107-sha1:5132ac87, isClient=false]], super=GridFutureAdapter
> [resFlag=1, res=java.lang.NullPointerException, startTime=1478522240108,
> endTime=1478522240128, ignoreInterrupts=false, state=DONE]]
> class org.apache.ignite.IgniteCheckedException: null
> at
> org.apache.ignite.internal.util.IgniteUtils.cast(IgniteUtils.java:7154)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:196)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:137)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:1453)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.initStartedCacheOnCoordinator(CacheAffinitySharedManager.java:743)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.onCacheChangeRequest(CacheAffinitySharedManager.java:413)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onCacheChangeRequest(GridDhtPartitionsExchangeFuture.java:565)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:448)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:1447)
> ... 2 more
> {noformat}
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