[jira] [Created] (IGNITE-9425) NPE on index rebuild

["Dmitry Karachentsev (JIRA)" <ji...@apache.org>]

Dmitry Karachentsev created IGNITE-9425:
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             Summary: NPE on index rebuild
                 Key: IGNITE-9425
                 URL: https://issues.apache.org/jira/browse/IGNITE-9425
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 2.6
            Reporter: Dmitry Karachentsev
            Assignee: Dmitry Karachentsev
             Fix For: 2.7


Summary:
This issue is seen when we have two caches mapped to two different regions (one with persistence and one without persistence)
The client-side config should have the cache definitions
The server-side config should have the data regions only
Affinity should be defined on the cache without persistence
We need to populate the data into both the caches and then restart the server and clients
The issue will be seen when the client reconnects.
Workaround:
Add the cache configurations (for the caches without persistence) to the server-side config.

Steps to reproduce:
Ignite server
- region1 (with persistence)
- region2 (without persistence)

client
- cache1a from region1 – with custom affinity
- cache2a fom region2 – with custom affinity


1. Populate data in both cache1a and cache2a.
2. Restart ignite server. It knows about cache1a from the persistent store. It doesn’t know about cache2a.
3. Restart client. When it connects to ignite, the server sees a nullpointer

{noformat}
java.lang.NullPointerException
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$11.apply(GridCacheDatabaseSharedManager.java:1243)
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$11.apply(GridCacheDatabaseSharedManager.java:1239)
at org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(GridFutureAdapter.java:383)
at org.apache.ignite.internal.util.future.GridFutureAdapter.listen(GridFutureAdapter.java:353)
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.rebuildIndexesIfNeeded(GridCacheDatabaseSharedManager.java:1239)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onDone(GridDhtPartitionsExchangeFuture.java:1711)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onDone(GridDhtPartitionsExchangeFuture.java:126)
at org.apache.ignite.internal.util.future.GridFutureAdapter.onDone(GridFutureAdapter.java:451)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:729)
at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body0(GridCachePartitionExchangeManager.java:2419)
at org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:2299)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
at java.lang.Thread.run(Thread.java:748)
{noformat}



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