[ https://issues.apache.org/jira/browse/HIVE-13850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bing Li updated HIVE-13850: --------------------------- Affects Version/s: 1.2.1 > File name conflict when have multiple INSERT INTO queries running in parallel > ----------------------------------------------------------------------------- > > Key: HIVE-13850 > URL: https://issues.apache.org/jira/browse/HIVE-13850 > Project: Hive > Issue Type: Bug > Affects Versions: 1.2.1 > Reporter: Bing Li > Assignee: Bing Li > > We have an application which connect to HiveServer2 via JDBC. > In the application, it executes "INSERT INTO" query to the same table. > If there are a lot of users running the application at the same time. Some of > the INSERT could fail. > In hive log, > org.apache.hadoop.hive.ql.metadata.HiveException: copyFiles: error > while moving files!!! Cannot move hdfs://node:8020/apps/hive/warehouse/met > > adata.db/scalding_stats/.hive-staging_hive_2016-05-10_18-46- > 23_642_2056172497900766879-3321/-ext-10000/000000_0 to > hdfs://node:8020/apps/hive > /warehouse/metadata.db/scalding_stats/000000_0_copy_9014 > at org.apache.hadoop.hive.ql.metadata.Hive.copyFiles(Hive.java: > 2719) > at org.apache.hadoop.hive.ql.metadata.Hive.loadTable(Hive.java: > 1645) > > In hadoop log, > WARN hdfs.StateChange (FSDirRenameOp.java: > unprotectedRenameTo(174)) - DIR* FSDirectory.unprotectedRenameTo: > failed to rename /apps/hive/warehouse/metadata.db/scalding_stats/.hive- > staging_hive_2016-05-10_18-46-23_642_2056172497900766879-3321/-ext- > 10000/000000_0 to /apps/hive/warehouse/metadata. > db/scalding_stats/000000_0_copy_9014 because destination exists -- This message was sent by Atlassian JIRA (v6.3.4#6332)