[jira] [Created] (IGNITE-6979) Race in GridClientPartitionTopology may cause NPE and partition map exchange hang.

["Alexei Scherbakov (JIRA)" <ji...@apache.org>]

Alexei Scherbakov created IGNITE-6979:
-----------------------------------------

             Summary: 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 before calling  {{org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology#nodes(int, org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion, org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtPartitionState, org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtPartitionState...)}}

{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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