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https://issues.apache.org/jira/browse/ASTERIXDB-2005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Murtadha Hubail resolved ASTERIXDB-2005.
----------------------------------------
Resolution: Fixed
> ArithmeticException on dataset rebalance to a node group with no nodes
> ----------------------------------------------------------------------
>
> Key: ASTERIXDB-2005
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2005
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: CLUS - Cluster management
> Reporter: Murtadha Hubail
> Assignee: Murtadha Hubail
>
> When a dataset rebalance is done over a node group with no nodes, the
> following exception is encountered:
> {code:java}
> java.lang.ArithmeticException: / by zero
> at
> org.apache.asterix.metadata.declared.MetadataProvider.getCardinalityPerPartitionHint(MetadataProvider.java:719)
> ~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.metadata.utils.SecondaryIndexOperationsHelper.init(SecondaryIndexOperationsHelper.java:198)
> ~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.metadata.utils.SecondaryIndexOperationsHelper.createIndexOperationsHelper(SecondaryIndexOperationsHelper.java:163)
> ~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.metadata.utils.IndexUtil.buildDropIndexJobSpec(IndexUtil.java:112)
> ~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.utils.RebalanceUtil.dropDatasetFiles(RebalanceUtil.java:330)
> ~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.utils.RebalanceUtil.rebalance(RebalanceUtil.java:200)
> ~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> at
> org.apache.asterix.utils.RebalanceUtil.rebalance(RebalanceUtil.java:124)
> ~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
> {code}
> The proposed solution is to treat rebalance to no nodes as a drop dataset.
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