fsk119 commented on code in PR #20149:
URL: https://github.com/apache/flink/pull/20149#discussion_r921088655
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flink-table/flink-sql-gateway/src/test/java/org/apache/flink/table/gateway/service/SqlGatewayServiceITCase.java:
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@@ -365,12 +367,124 @@ public void
testSubmitOperationAndCloseOperationManagerInParallel() throws Excep
assertEquals(0, manager.getOperationCount());
}
+ @Test
+ public void testSubmitOperationAndCloseOperationManagerInParallel2()
throws Exception {
+ int count = 3;
+ CountDownLatch startRunning = new CountDownLatch(1);
+ CountDownLatch terminateRunning = new CountDownLatch(1);
+ SessionHandle sessionHandle =
service.openSession(defaultSessionEnvironment);
+ for (int i = 0; i < count; i++) {
+ threadFactory
+ .newThread(
+ () ->
+ service.submitOperation(
+ sessionHandle,
+ OperationType.UNKNOWN,
+ () -> {
+ startRunning.countDown();
+ terminateRunning.await();
+ return null;
+ }))
+ .start();
+ }
+ startRunning.await();
+ // close session should not be blocked
+ service.getSession(sessionHandle).getOperationManager().close();
+ terminateRunning.countDown();
Review Comment:
It just clean up all used resources.
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