[HIVE-19316] StatsTask fails due to ClassCastException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.2.0, 4.0.0-alpha-1
• Component/s: Statistics
• Labels: pull-request-available
• Assignee: Jaume M
• Reporter: Rui Li
• Created: 26/Apr/18 13:55
• Updated: 27/Feb/24 22:24
• Resolved: 14/Aug/18 20:48

Description

The stack trace:

2018-04-26T20:17:37,674 ERROR [pool-7-thread-11] metastore.RetryingHMSHandler: java.lang.ClassCastException: org.apache.hadoop.hive.metastore.api.LongColumnStatsData cannot be cast to org.apache.hadoop.hive.metastore.columnstats.cache.LongColumnStatsDataInspector
        at org.apache.hadoop.hive.metastore.columnstats.merge.LongColumnStatsMerger.merge(LongColumnStatsMerger.java:30)
        at org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.mergeColStats(MetaStoreUtils.java:1052)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.set_aggr_stats_for(HiveMetaStore.java:7202)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
        at com.sun.proxy.$Proxy26.set_aggr_stats_for(Unknown Source)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$set_aggr_stats_for.getResult(ThriftHiveMetastore.java:16795)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$set_aggr_stats_for.getResult(ThriftHiveMetastore.java:16779)
        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
        at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:111)
        at org.apache.hadoop.hive.metastore.TUGIBasedProcessor$1.run(TUGIBasedProcessor.java:107)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
        at org.apache.hadoop.hive.metastore.TUGIBasedProcessor.process(TUGIBasedProcessor.java:119)
        at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)

Issue Links

• is duplicated by: HIVE-20151 External table: exception while storing stats
• links to: GitHub Pull Request #378