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Posted to issues@ignite.apache.org by "Artem Shutak (JIRA)" <ji...@apache.org> on 2015/09/30 20:16:04 UTC

[jira] [Commented] (IGNITE-1355) Potential NPE in CacheAffinityProxy

    [ https://issues.apache.org/jira/browse/IGNITE-1355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938203#comment-14938203 ] 

Artem Shutak commented on IGNITE-1355:
--------------------------------------

Ignite.affinity(...) can be called for cache nonexistent cache. As a result a call to any method of the affinity will produce NPE.

Fix proposal:
- return special value and empty arrays/collections in this case
- update javadoc for these goals

> Potential NPE in CacheAffinityProxy
> -----------------------------------
>
>                 Key: IGNITE-1355
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1355
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: ignite-1.4
>            Reporter: Semen Boikov
>            Assignee: Artem Shutak
>            Priority: Critical
>             Fix For: ignite-1.5
>
>
> NPE was observed on TC:
> {noformat}
> java.lang.NullPointerException
>     at org.apache.ignite.internal.processors.affinity.GridAffinityProcessor$AffinityInfo.access$1800(GridAffinityProcessor.java:537)
>     at org.apache.ignite.internal.processors.affinity.GridAffinityProcessor$CacheAffinityProxy.mapPartitionToPrimaryAndBackups(GridAffinityProcessor.java:879)
>     at org.apache.ignite.testframework.junits.common.GridCommonAbstractTest.awaitPartitionMapExchange(GridCommonAbstractTest.java:423)
>     at org.apache.ignite.internal.processors.cache.distributed.dht.IgniteCacheCrossCacheTxFailoverTest.crossCacheTxFailover(IgniteCacheCrossCacheTxFailoverTest.java:355)
> {noformat}
> As I see method CacheAffinityProxy.cache() can return null, but there are no checks for null.



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