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https://issues.apache.org/jira/browse/IGNITE-8252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457619#comment-16457619
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ASF GitHub Bot commented on IGNITE-8252:
----------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/ignite/pull/3908
> NullPointerException is thrown during parallel massive start of nodes
> ---------------------------------------------------------------------
>
> Key: IGNITE-8252
> URL: https://issues.apache.org/jira/browse/IGNITE-8252
> Project: Ignite
> Issue Type: Bug
> Components: zookeeper
> Reporter: Sergey Chugunov
> Assignee: Sergey Chugunov
> Priority: Major
> Fix For: 2.6
>
>
> When many nodes are started in parallel and IGNITE_DISCOVERY_HISTORY_SIZE is
> set to too small value (smaller than size of batch of nodes joining the
> cluster simultaneously) NPE is thrown from the exchange thread:
> {noformat}
> [ERROR][exchange-worker-#62][GridDhtPartitionsExchangeFuture] Failed to
> reinitialize local partitions (preloading will be stopped):
> GridDhtPartitionExchangeId [topVer=AffinityTopologyVersion [topVer=5,
> minorTopVer=0], discoEvt=DiscoveryEvent [evtNode=ZookeeperClusterNode
> [id=2f412f7f-d326-4303-86f9-91004c82aa7b, addrs=[172.25.1.18], order=5,
> loc=true, client=false], topVer=5, nodeId8=2f412f7f, msg=null,
> type=NODE_JOINED, tstamp=1523571878505], nodeId=2f412f7f, evt=NODE_JOINED]
> java.lang.NullPointerException: null
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.latch.ExchangeLatchManager.getLatchCoordinator(ExchangeLatchManager.java:249)
> ~[ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.latch.ExchangeLatchManager.getOrCreate(ExchangeLatchManager.java:207)
> ~[ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.waitPartitionRelease(GridDhtPartitionsExchangeFuture.java:1227)
> ~[ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.distributedExchange(GridDhtPartitionsExchangeFuture.java:1112)
> ~[ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:713)
> [ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body0(GridCachePartitionExchangeManager.java:2414)
> [ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:2294)
> [ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> [ignite-core-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
> {noformat}
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