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https://issues.apache.org/jira/browse/SOLR-8728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shai Erera updated SOLR-8728:
-----------------------------
Attachment: SOLR-8728.patch
If you run this test it fails and you can see this exception in the console:
{noformat}
42071 ERROR
(OverseerThreadFactory-6-thread-2-processing-n:127.0.0.1:49954_yd_dma%2Fkz)
[n:127.0.0.1:49954_yd_dma%2Fkz ] o.a.s.c.OverseerCollectionMessageHandler
Error executing split operation for collection: shardSplitWithRule parent
shard: shard1
java.lang.NullPointerException
at
org.apache.solr.cloud.rule.Rule.getNumberOfNodesWithSameTagVal(Rule.java:166)
at org.apache.solr.cloud.rule.Rule.tryAssignNodeToShard(Rule.java:128)
at
org.apache.solr.cloud.rule.ReplicaAssigner.tryAPermutationOfRules(ReplicaAssigner.java:249)
at
org.apache.solr.cloud.rule.ReplicaAssigner.tryAllPermutations(ReplicaAssigner.java:201)
at
org.apache.solr.cloud.rule.ReplicaAssigner.getNodeMappings0(ReplicaAssigner.java:173)
at
org.apache.solr.cloud.rule.ReplicaAssigner.getNodeMappings(ReplicaAssigner.java:134)
at org.apache.solr.cloud.Assign.getNodesViaRules(Assign.java:215)
at org.apache.solr.cloud.Assign.getNodesForNewReplicas(Assign.java:178)
at
org.apache.solr.cloud.OverseerCollectionMessageHandler.addReplica(OverseerCollectionMessageHandler.java:2164)
at
org.apache.solr.cloud.OverseerCollectionMessageHandler.splitShard(OverseerCollectionMessageHandler.java:1388)
at
org.apache.solr.cloud.OverseerCollectionMessageHandler.processMessage(OverseerCollectionMessageHandler.java:236)
at
org.apache.solr.cloud.OverseerTaskProcessor$Runner.run(OverseerTaskProcessor.java:433)
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:231)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{noformat}
> Splitting a shard of a collection created with a rule fails with NPE
> --------------------------------------------------------------------
>
> Key: SOLR-8728
> URL: https://issues.apache.org/jira/browse/SOLR-8728
> Project: Solr
> Issue Type: Bug
> Reporter: Shai Erera
> Attachments: SOLR-8728.patch
>
>
> Spinoff from this discussion: http://markmail.org/message/f7liw4hqaagxo7y2
> I wrote a short test which reproduces, will upload shortly.
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