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https://issues.apache.org/jira/browse/HIVE-21864?focusedWorklogId=258699&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-258699
]
ASF GitHub Bot logged work on HIVE-21864:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 12/Jun/19 13:11
Start Date: 12/Jun/19 13:11
Worklog Time Spent: 10m
Work Description: ShubhamChaurasia commented on pull request #669:
HIVE-21864: LlapBaseInputFormat#closeAll() throws
ConcurrentModificationException
URL: https://github.com/apache/hive/pull/669#discussion_r292904914
##########
File path:
llap-ext-client/src/java/org/apache/hadoop/hive/llap/LlapBaseInputFormat.java
##########
@@ -345,8 +346,11 @@ public static void close(String handleId) throws
IOException {
*/
public static void closeAll() {
LOG.debug("Closing all handles");
- for (String handleId : connectionMap.keySet()) {
+ Iterator<String> handleIds = connectionMap.keySet().iterator();
+ String handleId = null;
+ while (handleIds.hasNext()) {
try {
+ handleId = handleIds.next();
Review comment:
Thanks Ashutosh, good catch.
I just realized, even without doing all these changes we can avoid it by
just changing the original code `for (String handleId :
connectionMap.keySet())`
to `for (String handleId : new ArrayList<>(connectionMap.keySet()))`
Looks good?
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Issue Time Tracking
-------------------
Worklog Id: (was: 258699)
Time Spent: 0.5h (was: 20m)
> LlapBaseInputFormat#closeAll() throws ConcurrentModificationException
> ---------------------------------------------------------------------
>
> Key: HIVE-21864
> URL: https://issues.apache.org/jira/browse/HIVE-21864
> Project: Hive
> Issue Type: Bug
> Components: llap
> Affects Versions: 3.1.1
> Reporter: Shubham Chaurasia
> Assignee: Shubham Chaurasia
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21864.1.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
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