Sergey Shelukhin created HIVE-12926: ---------------------------------------
Summary: Another synchronization issues with tez/llap session pool in hs2 Key: HIVE-12926 URL: https://issues.apache.org/jira/browse/HIVE-12926 Project: Hive Issue Type: Bug Components: HiveServer2 Affects Versions: 2.0.0 Reporter: Vikram Dixit K Assignee: Vikram Dixit K Priority: Critical Fix For: 2.0.0, 2.1.0 The changes introduced as part of HIVE-12674 causes issues while shutting down hs2 when session pools are used. {code} java.util.ConcurrentModificationException at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966) ~[?:1.8.0_45] at java.util.LinkedList$ListItr.remove(LinkedList.java:921) ~[?:1.8.0_45] at org.apache.hadoop.hive.ql.exec.tez.TezSessionPoolManager.stop(TezSessionPoolManager.java:288) ~[hive-exec-2.0.0.2.3.5.0-79.jar:2.0.0.2.3.5.0-79] at org.apache.hive.service.server.HiveServer2.stop(HiveServer2.java:479) [hive-jdbc-2.0.0.2.3.5.0-79-standalone.jar:2.0.0.2.3.5.0-79] at org.apache.hive.service.server.HiveServer2$2.run(HiveServer2.java:183) [hive-jdbc-2.0.0.2.3.5.0-79-standalone.jar:2.0.0.2.3.5.0-79] {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)