[hive] branch master updated: HIVE-22502 : ConcurrentModificationException in TriggerValidatorRunnable stops trigger processing (Attila Magyar via Prasanth J)

[hashutosh]

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The following commit(s) were added to refs/heads/master by this push:
     new 2a7344a  HIVE-22502 : ConcurrentModificationException in 
TriggerValidatorRunnable stops trigger processing (Attila Magyar via Prasanth J)
2a7344a is described below

commit 2a7344ad2ed9ea2f76571a5c2cf48b4d478fc1ef
Author: Attila Magyar <amag...@cloudera.com>
AuthorDate: Fri Feb 28 23:24:27 2020 -0800

    HIVE-22502 : ConcurrentModificationException in TriggerValidatorRunnable 
stops trigger processing (Attila Magyar via Prasanth J)
    
    Signed-off-by: Ashutosh Chauhan <hashut...@apache.org>
---
 .../java/org/apache/hadoop/hive/ql/exec/tez/TezSessionPoolManager.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/TezSessionPoolManager.java 
b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/TezSessionPoolManager.java
index 7c0a1fe..dea4208 100644
--- a/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/TezSessionPoolManager.java
+++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/TezSessionPoolManager.java
@@ -530,7 +530,7 @@ public class TezSessionPoolManager extends 
TezSessionPoolSession.AbstractTrigger
 
   private void updateSessions() {
     if (sessionTriggerProvider != null) {
-      
sessionTriggerProvider.setSessions(Collections.unmodifiableList(openSessions));
+      sessionTriggerProvider.setSessions(new LinkedList<>(openSessions));
     }
   }