[HIVE-18928] HS2: Perflogger has a race condition

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 4.0.0-alpha-2
• Assignee: Bharath Krishna
• Reporter: Gopal Vijayaraghavan
• Created: 10/Mar/18 03:43
• Updated: 26/Sep/23 13:42
• Resolved: 19/Nov/18 18:33

Description

Caused by: java.util.ConcurrentModificationException
        at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) ~[?:1.8.0_112]
        at java.util.HashMap$EntryIterator.next(HashMap.java:1471) ~[?:1.8.0_112]
        at java.util.HashMap$EntryIterator.next(HashMap.java:1469) ~[?:1.8.0_112]
        at java.util.AbstractCollection.toArray(AbstractCollection.java:196) ~[?:1.8.0_112]
        at com.google.common.collect.Iterables.toArray(Iterables.java:316) ~[guava-19.0.jar:?]
        at com.google.common.collect.ImmutableMap.copyOf(ImmutableMap.java:342) ~[guava-19.0.jar:?]
        at com.google.common.collect.ImmutableMap.copyOf(ImmutableMap.java:327) ~[guava-19.0.jar:?]
        at org.apache.hadoop.hive.ql.log.PerfLogger.getEndTimes(PerfLogger.java:218) ~[hive-common-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
        at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1561) ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
        at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1498) ~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
        at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:198) ~[hive-service-3.0.0.3.0.0.2-132.jar:3.0.0.3.0.0.2-132]

Issue Links

• is related to: HIVE-19133 HS2 WebUI phase-wise performance metrics not showing correctly
• is related to: HIVE-27733 Intermittent ConcurrentModificationException in HiveServer2