Hi, Benjamin! 1. This is a known issue: https://issues.apache.org/jira/browse/IGNITE-13398 2. About a harmful, as I understand from sources. Perhaps due to the exception, some services that should have been undeployed due to the destruction of the cache will not be undeployed.
-------------------- Ilya Kazakov пн, 19 окт. 2020 г. в 22:31, Kseniya Romanova <[email protected]>: > Hi Benjamin! Just in case the question is still relevant, you can join > tomorrow's Q&A session[1] to reach Ignite developers with this question. > > Cheers, > Kseniya > > [1] https://www.meetup.com/Apache-Ignite-Virtual-Meetup/events/273921637/ > > ср, 2 сент. 2020 г. в 09:51, Garaude, Benjamin < > [email protected]>: > >> Hello, >> >> >> >> If I destroy a cache when a service is deployed, there is an error >> message with a NullPointerException that is logged by ignite. >> >> This does not seems harmful to me, since the cache destroying terminates >> successfully. Can you confirm that? >> >> Its also annoying because it pollutes the logs a lot. >> >> >> >> This happens in 2.8.1 and 2.8.0, but not in 2.7.x or lower. >> >> >> >> You can find attached an example to reproduce this. >> >> >> >> The error message and stack trace are the following: >> >> Sep 02, 2020 8:50:29 AM org.apache.ignite.logger.java.JavaLogger error >> >> SEVERE: Failed to notify direct custom event listener: >> DynamicCacheChangeBatch >> [id=553849d4471-5ac52f5c-11b5-454f-965e-3c6e7bcb7a5a, reqs=ArrayList >> [DynamicCacheChangeRequest [cacheName=foo, hasCfg=false, >> nodeId=2e57fb89-5665-48fb-a0e9-fbd880e8d4b3, 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*) >> >> >> >> >> >> >> >> Regards, >> >> >> >> >> >> Benjamin >> >
