[IGNITE-13398] NPE in IgniteServiceProcessor when destroying a cache

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8, 2.8.1
• Fix Version/s: 2.10, 2.9.1
• Labels: 2.9.1-rc
• Release Note: Fixed NPE happening when destroying the cache and there is a running service
• Assignee: Ilya Kazakov
• Reporter: Denis Mekhanikov
• Created: 03/Sep/20 09:17
• Updated: 03/Nov/20 15:11
• Resolved: 23/Oct/20 15:38

Description

Try running the attached reproducer: Main.java. The following exception is printed to the logs:

Sep 03, 2020 12:13:58 PM org.apache.ignite.logger.java.JavaLogger error
SEVERE: Failed to notify direct custom event listener: DynamicCacheChangeBatch [id=c1d6e335471-6bafb375-9d3e-487a-974d-35927ae02c04, reqs=ArrayList [DynamicCacheChangeRequest [cacheName=foo, hasCfg=false, nodeId=5e41fda8-e749-432c-9832-7b1c6ee3d0c8, clientStartOnly=false, stop=true, destroy=false, disabledAfterStartfalse]], exchangeActions=ExchangeActions [startCaches=null, stopCaches=[foo], startGrps=[], stopGrps=[foo, destroy=true], resetParts=null, stateChangeRequest=null], startCaches=false]
java.lang.NullPointerException
	at org.apache.ignite.internal.processors.service.IgniteServiceProcessor.lambda$processDynamicCacheChangeRequest$6(IgniteServiceProcessor.java:1694)
	at java.util.Collection.removeIf(Collection.java:414)
	at org.apache.ignite.internal.processors.service.IgniteServiceProcessor.processDynamicCacheChangeRequest(IgniteServiceProcessor.java:1691)
	at org.apache.ignite.internal.processors.service.IgniteServiceProcessor.access$200(IgniteServiceProcessor.java:108)
	at org.apache.ignite.internal.processors.service.IgniteServiceProcessor$3.onCustomEvent(IgniteServiceProcessor.java:232)
	at org.apache.ignite.internal.processors.service.IgniteServiceProcessor$3.onCustomEvent(IgniteServiceProcessor.java:229)
	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery0(GridDiscoveryManager.java:665)
	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.lambda$onDiscovery$0(GridDiscoveryManager.java:528)
	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body0(GridDiscoveryManager.java:2608)
	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body(GridDiscoveryManager.java:2646)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
	at java.lang.Thread.run(Thread.java:748)

Issue Links

• links to: GitHub Pull Request #8376