[infinispan-issues] [JBoss JIRA] (ISPN-4746) NPE when preloading cache with DeltaAware values

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13024983#comment-13024983 ] 

RH Bugzilla Integration commented on ISPN-4746:
-----------------------------------------------

Dave Stahl <dstahl at redhat.com> changed the Status of [bug 1166028|https://bugzilla.redhat.com/show_bug.cgi?id=1166028] from MODIFIED to ON_QA

> NPE when preloading cache with DeltaAware values
> ------------------------------------------------
>
>                 Key: ISPN-4746
>                 URL: https://issues.jboss.org/browse/ISPN-4746
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 6.0.2.Final, 7.0.0.Beta2
>            Reporter: Gustavo Fernandes
>            Assignee: Gustavo Fernandes
>             Fix For: 7.0.0.CR1, 7.0.0.Final
>
>
> {code:java}
> public class DeltaAwarePreloadTest extends MultipleCacheManagersTest {
>    private static final int CLUSTER_SIZE = 1;
>    @Override
>    protected void createCacheManagers() throws Throwable {
>       ConfigurationBuilder c = getDefaultClusteredCacheConfig(CacheMode.DIST_SYNC, false);
>       c.persistence().addStore(new DummyInMemoryStoreConfigurationBuilder(c.persistence()).storeName(getClass().getSimpleName())).preload(true);
>       createCluster(c, CLUSTER_SIZE);
>       waitForClusterToForm();
>    }
>    @Test
>    public void testPreloadOnStart() throws PersistenceException {
>       Cache<Object, Object> cache = caches().get(0);
>       cache.put(1, new TestDeltaAware());
>       cache.stop();
>       cache.start();
>    }
> }
> {code}
> During preload, the {{NonTxDistributionInterceptor}} decides that is requires values from previous owners and tries to check if the local node is the primary owner. At this point, the WriteCH is null since no topology was ever updated. Here's the stacktrace:
> {code}
> Caused by: org.infinispan.persistence.spi.PersistenceException: Unable to preload!
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.preloadKey(PersistenceManagerImpl.java:620)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.access$000(PersistenceManagerImpl.java:70)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl$1.processEntry(PersistenceManagerImpl.java:228)
> 	at org.infinispan.persistence.dummy.DummyInMemoryStore.process(DummyInMemoryStore.java:165)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.preload(PersistenceManagerImpl.java:220)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.infinispan.commons.util.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:168)
> 	... 37 more
> Caused by: java.lang.NullPointerException
> 	at org.infinispan.distribution.impl.DistributionManagerImpl.getWriteConsistentHash(DistributionManagerImpl.java:115)
> 	at org.infinispan.distribution.impl.DistributionManagerImpl.getConsistentHash(DistributionManagerImpl.java:105)
> 	at org.infinispan.distribution.impl.DistributionManagerImpl.getPrimaryLocation(DistributionManagerImpl.java:95)
> 	at org.infinispan.interceptors.locking.ClusteringDependentLogic$DistributionLogic.localNodeIsPrimaryOwner(ClusteringDependentLogic.java:395)
> 	at org.infinispan.interceptors.distribution.NonTxDistributionInterceptor.remoteGetBeforeWrite(NonTxDistributionInterceptor.java:131)
> 	at org.infinispan.interceptors.distribution.BaseDistributionInterceptor.handleNonTxWriteCommand(BaseDistributionInterceptor.java:195)
> 	at org.infinispan.interceptors.distribution.NonTxDistributionInterceptor.visitPutKeyValueCommand(NonTxDistributionInterceptor.java:72)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:71)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
> 	at org.infinispan.interceptors.DistCacheWriterInterceptor.visitPutKeyValueCommand(DistCacheWriterInterceptor.java:72)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:71)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
> 	at org.infinispan.interceptors.CacheLoaderInterceptor.visitPutKeyValueCommand(CacheLoaderInterceptor.java:113)
> 	at org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:71)
> 	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:98)
> 	at org.infinispan.interceptors.EntryWrappingInterceptor.invokeNextAndApplyChanges(EntryWrappingInterceptor.java:376)
> 	at org.infinispan.interceptors.EntryWrappingInterceptor.setSkipRemoteGetsAndInvokeNextForDataCommand(EntryWrappingInterceptor.java:464)
> {code}



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