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https://issues.apache.org/jira/browse/HIVE-21864?focusedWorklogId=260138&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-260138
]
ASF GitHub Bot logged work on HIVE-21864:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Jun/19 06:21
Start Date: 14/Jun/19 06:21
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_r293672095
##########
File path:
itests/hive-unit/src/test/java/org/apache/hive/jdbc/TestJdbcWithMiniLlapArrow.java
##########
@@ -427,5 +437,85 @@ public void testKillQueryByTagOwner() throws Exception {
assertNotNull("tExecute", tExecuteHolder.throwable);
assertNull("tCancel", tKillHolder.throwable);
}
+
+ @Test
+ public void testAddCloseCloseAllConnections() throws Exception {
+ System.out.println("BaseJdbcWithMiniLlap.testAddCloseCloseAllConnections");
+
+ createTestTable("testtab1");
+
+ String url = miniHS2.getJdbcURL();
+ String user = System.getProperty("user.name");
+ String pwd = user;
+
+ InputFormat<NullWritable, Row> inputFormat = getInputFormat();
+
+ // Get splits
+ JobConf job = new JobConf(conf);
+ job.set(LlapBaseInputFormat.URL_KEY, url);
+ job.set(LlapBaseInputFormat.USER_KEY, user);
+ job.set(LlapBaseInputFormat.PWD_KEY, pwd);
+ job.set(LlapBaseInputFormat.QUERY_KEY, "select * from testtab1");
+
+ final String[] handleIds = IntStream.range(0, 20).boxed().map(i ->
"handleId-" + i).toArray(String[]::new);
+ final Iterator<String> handleIdsItr =
Iterables.cycle(handleIds).iterator();
+
+ final ExceptionHolder exceptionHolder = new ExceptionHolder();
+
+ // addConnThread thread will keep adding connections
+ // closeConnThread thread tries close connection(s) associated to
handleIds, one at a time
+ // closeAllConnThread thread tries to close All at once.
+
+ final int numIterations = 100;
+ Thread addConnThread = new Thread(() -> executeNTimes(() -> {
+ String handleId = handleIdsItr.next();
+ job.set(LlapBaseInputFormat.HANDLE_ID, handleId);
+ InputSplit[] splits = inputFormat.getSplits(job, 1);
+ assertTrue(splits.length > 0);
+ return null;
+ }, numIterations, 1, exceptionHolder));
+
+ Thread closeConnThread = new Thread(() -> executeNTimes(() -> {
+ String handleId = handleIdsItr.next();
+ LlapBaseInputFormat.close(handleId);
+ return null;
+ }, numIterations, 2, exceptionHolder));
+
Review comment:
done
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Issue Time Tracking
-------------------
Worklog Id: (was: 260138)
Time Spent: 1h 40m (was: 1.5h)
> 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, HIVE-21864.2.patch
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
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