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https://issues.apache.org/jira/browse/IMPALA-7670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith updated IMPALA-7670:
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Target Version: (was: Impala 5.0.0)
> Drop table with a concurrent refresh throws ConcurrentModificationException
> ---------------------------------------------------------------------------
>
> Key: IMPALA-7670
> URL: https://issues.apache.org/jira/browse/IMPALA-7670
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Affects Versions: Impala 3.1.0
> Reporter: Bharath Vissapragada
> Assignee: Michael Smith
> Priority: Critical
>
> * This bug was found on a V2 Catalog and probably also applies to V1.
> Saw this in the Catalog server.
> {noformat}
> I1004 16:38:55.236702 85380 jni-util.cc:308]
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
> at java.util.HashMap$ValueIterator.next(HashMap.java:1471)
> at
> org.apache.impala.catalog.FeFsTable$Utils.getPartitionFromThriftPartitionSpec(FeFsTable.java:407)
> at
> org.apache.impala.catalog.HdfsTable.getPartitionFromThriftPartitionSpec(HdfsTable.java:694)
> at
> org.apache.impala.catalog.Catalog.getHdfsPartition(Catalog.java:407)
> at
> org.apache.impala.catalog.Catalog.getHdfsPartition(Catalog.java:386)
> at
> org.apache.impala.service.CatalogOpExecutor.bulkAlterPartitions(CatalogOpExecutor.java:3193)
> at
> org.apache.impala.service.CatalogOpExecutor.dropTableStats(CatalogOpExecutor.java:1255)
> at
> org.apache.impala.service.CatalogOpExecutor.dropStats(CatalogOpExecutor.java:1148)
> at
> org.apache.impala.service.CatalogOpExecutor.execDdlRequest(CatalogOpExecutor.java:301)
> at org.apache.impala.service.JniCatalog.execDdl(JniCatalog.java:157)
> {noformat}
> Still need to dig into it, but seems like something is off with locking
> somewhere.
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