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https://issues.apache.org/jira/browse/IGNITE-6979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexei Scherbakov resolved IGNITE-6979.
---------------------------------------
Resolution: Won't Fix
Already fixed by commit 788adc0d00e0455e06cc9acabfe9ad425fdcd65b
> Race in GridClientPartitionTopology may cause NPE and partition map exchange
> hang.
> ----------------------------------------------------------------------------------
>
> Key: IGNITE-6979
> URL: https://issues.apache.org/jira/browse/IGNITE-6979
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.3
> Reporter: Alexei Scherbakov
> Fix For: 2.4
>
>
> Was reproduced on TC and locally using test
> {{org.apache.ignite.internal.processors.cache.IgniteCachePartitionMapUpdateTest#testRandom}}
> Reason: discoCache is not initalized due to race before calling
> {{GridClientPartitionTopology#nodes(int, AffinityTopologyVersion,
> GridDhtPartitionState, GridDhtPartitionState...)}}
> Stacktrace on coordinator:
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology.nodes(GridClientPartitionTopology.java:538)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology.owners(GridClientPartitionTopology.java:577)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology.owners(GridClientPartitionTopology.java:582)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager$22.applyx(CacheAffinitySharedManager.java:2117)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager$22.applyx(CacheAffinitySharedManager.java:2043)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.forAllRegisteredCacheGroups(CacheAffinitySharedManager.java:1059)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.initAffinityOnNodeLeft0(CacheAffinitySharedManager.java:2043)
> at
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.onServerLeftWithExchangeMergeProtocol(CacheAffinitySharedManager.java:1383)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.finishExchangeOnCoordinator(GridDhtPartitionsExchangeFuture.java:2239)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onAllReceived(GridDhtPartitionsExchangeFuture.java:2199)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.processSingleMessage(GridDhtPartitionsExchangeFuture.java:1936)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.access$100(GridDhtPartitionsExchangeFuture.java:116)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture$2.apply(GridDhtPartitionsExchangeFuture.java:1793)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture$2.apply(GridDhtPartitionsExchangeFuture.java:1781)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(GridFutureAdapter.java:383)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.listen(GridFutureAdapter.java:353)
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onReceiveSingleMessage(GridDhtPartitionsExchangeFuture.java:1781)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.processSinglePartitionUpdate(GridCachePartitionExchangeManager.java:1483)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.access$1000(GridCachePartitionExchangeManager.java:131)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$2.onMessage(GridCachePartitionExchangeManager.java:327)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$2.onMessage(GridCachePartitionExchangeManager.java:307)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$MessageHandler.apply(GridCachePartitionExchangeManager.java:2626)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$MessageHandler.apply(GridCachePartitionExchangeManager.java:2605)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.processMessage(GridCacheIoManager.java:1060)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.onMessage0(GridCacheIoManager.java:579)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:378)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:304)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$100(GridCacheIoManager.java:99)
> at
> org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:293)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1562)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1190)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:126)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1097)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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