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https://issues.apache.org/jira/browse/IGNITE-9878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16844036#comment-16844036
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Valentin Kulichenko commented on IGNITE-9878:
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I don't think it's a bug, because these exceptions are thrown on a server node.
If you want to have a near cache on server node, you need to define
`NearCacheConfiguration` as part of `CacheConfiguration`, and not provide one
in `getOrCreateCache`.
Said that, behavior looks correct to me, although there is a definite usability
issue. Exceptions have to be clearer, and we might even think about revisiting
this API for future major versions.
> Failed to start near cache after second call of getOrCreateCache
> ----------------------------------------------------------------
>
> Key: IGNITE-9878
> URL: https://issues.apache.org/jira/browse/IGNITE-9878
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 2.6
> Reporter: Roman Guseinov
> Assignee: Roman Guseinov
> Priority: Major
> Attachments: NearCacheIssueReproducer.java
>
>
> Repeated call of `Ignite.getOrCreateCache(CacheConfiguration<K, V> cacheCfg,
> NearCacheConfiguration<K, V> nearCfg)` lead the following exception:
> {code:java}
> javax.cache.CacheException: class org.apache.ignite.IgniteCheckedException:
> Failed to start near cache (local node is an affinity node for cache):
> ignite-test-near-rep
> at
> org.apache.ignite.internal.processors.cache.GridCacheUtils.convertToCacheException(GridCacheUtils.java:1305)
> at
> org.apache.ignite.internal.IgniteKernal.getOrCreateCache(IgniteKernal.java:2995)
> at
> org.apache.ignite.reproducers.cache.NearCacheIssueReproducer.testRepeatedGetOrCreateCache(NearCacheIssueReproducer.java:24)
> Caused by: class org.apache.ignite.IgniteCheckedException: Failed to start
> near cache (local node is an affinity node for cache): ignite-test-near-rep
> at
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.prepareCacheChangeRequest(GridCacheProcessor.java:5235)
> at
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.dynamicStartCache(GridCacheProcessor.java:3621)
> at
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.dynamicStartCache(GridCacheProcessor.java:3560)
> at
> org.apache.ignite.internal.IgniteKernal.getOrCreateCache(IgniteKernal.java:2983)
> ... 23 more
> {code}
> Also, if a cache is specified in the IgniteConfiguration,
> `Ignite#getOrCreateNearCache` will fail with the following exception:
> {code:java}
> javax.cache.CacheException: class org.apache.ignite.IgniteCheckedException:
> Failed to start near cache (a cache with the same name without near cache is
> already started)
> at
> org.apache.ignite.internal.processors.cache.GridCacheUtils.convertToCacheException(GridCacheUtils.java:1305)
> at
> org.apache.ignite.internal.IgniteKernal.getOrCreateNearCache(IgniteKernal.java:3072)
> at
> org.apache.ignite.reproducers.cache.NearCacheIssueReproducer.testGetOrCreateNearCache(NearCacheIssueReproducer.java:32)
> Caused by: class org.apache.ignite.IgniteCheckedException: Failed to start
> near cache (a cache with the same name without near cache is already started)
> at
> org.apache.ignite.internal.IgniteKernal.checkNearCacheStarted(IgniteKernal.java:3085)
> at
> org.apache.ignite.internal.IgniteKernal.getOrCreateNearCache(IgniteKernal.java:3067)
> ... 23 more
> {code}
> The test is attached [^NearCacheIssueReproducer.java]. The workaround is to
> put near cache config into cache configuration
> `CacheConfiguration.setNearConfiguration`.
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