Flaky-test: C++ ClientTest.testReferenceCount

[BewareMyPower]

ClientTest.testReferenceCount is flaky. It fails sporadically.

example failure

2022-03-23 08:18:48.488 INFO  [140121845906176] ClientConnection:182 | [<none> -> pulsar://localhost:6650] Create ClientConnection, timeout=10000
2022-03-23 08:18:48.488 INFO  [140121845906176] ConnectionPool:96 | Created connection for pulsar://localhost:6650
2022-03-23 08:18:48.492 INFO  [140121726842624] ClientConnection:368 | [127.0.0.1:32784 -> 127.0.0.1:6650] Connected to broker
2022-03-23 08:18:48.494 INFO  [140121726842624] HandlerBase:64 | [persistent://public/default/client-test-reference-count-1648023528, ] Getting connection from pool
2022-03-23 08:18:48.504 INFO  [140121726842624] ProducerImpl:188 | [persistent://public/default/client-test-reference-count-1648023528, ] Created producer on broker [127.0.0.1:32784 -> 127.0.0.1:6650]
/pulsar/pulsar-client-cpp/tests/ClientTest.cc:[192](https://github.com/apache/pulsar/runs/5656553451?check_suite_focus=true#step:11:192): Failure
Value of: 1
Expected: producers[0].use_count()
Which is: 7

2022-03-23 08:18:48.525 INFO  [140385848068864] ClientConnection:182 | [<none> -> pulsar://localhost:6650] Create ClientConnection, timeout=10000
2022-03-23 08:18:48.525 INFO  [140385848068864] ConnectionPool:96 | Created connection for pulsar://localhost:6650
2022-03-23 08:18:48.527 INFO  [140385729005312] ClientConnection:368 | [127.0.0.1:32786 -> 127.0.0.1:6650] Connected to broker
2022-03-23 08:18:48.530 INFO  [140385729005312] HandlerBase:64 | [persistent://public/default/client-test-reference-count-1648023528, ] Getting connection from pool
2022-03-23 08:18:48.536 INFO  [140385729005312] ProducerImpl:188 | [persistent://public/default/client-test-reference-count-1648023528, ] Created producer on broker [127.0.0.1:32786 -> 127.0.0.1:6650]
/pulsar/pulsar-client-cpp/tests/ClientTest.cc:192: Failure
Value of: 1
Expected: producers[0].use_count()
Which is: 7

[RobertIndie]

After #14854 get merged, I still get this error.

example failure

[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from ClientTest
[ RUN      ] ClientTest.testReferenceCount
2022-04-11 04:43:29.498 INFO  [139942018497280] ClientConnection:189 | [<none> -> pulsar://localhost:6650] Create ClientConnection, timeout=10000
2022-04-11 04:43:29.498 INFO  [139942018497280] ConnectionPool:96 | Created connection for pulsar://localhost:6650
2022-04-11 04:43:29.500 INFO  [139941896357632] ClientConnection:375 | [127.0.0.1:45924 -> 127.0.0.1:6650] Connected to broker
2022-04-11 04:43:29.503 INFO  [139941896357632] HandlerBase:64 | [persistent://public/default/client-test-reference-count-[164](https://github.com/apache/pulsar/runs/5966290255?check_suite_focus=true#step:11:164)9652209, ] Getting connection from pool
2022-04-11 04:43:29.538 INFO  [139941896357632] ProducerImpl:189 | [persistent://public/default/client-test-reference-count-1649652209, ] Created producer on broker [127.0.0.1:45924 -> 127.0.0.1:6650]
2022-04-11 04:43:29.538 INFO  [1399420[184](https://github.com/apache/pulsar/runs/5966290255?check_suite_focus=true#step:11:184)97280] ClientTest:210 | Reference count of the producer: 1
2022-04-11 04:43:29.538 INFO  [139942018497280] Client:88 | Subscribing on Topic :client-test-reference-count-1649652209
2022-04-11 04:43:29.540 INFO  [13994[189](https://github.com/apache/pulsar/runs/5966290255?check_suite_focus=true#step:11:189)6357632] HandlerBase:64 | [persistent://public/default/client-test-reference-count-1649652209, my-sub, 0] Getting connection from pool
2022-04-11 04:43:29.558 INFO  [139941896357632] ConsumerImpl:224 | [persistent://public/default/client-test-reference-count-1649652209, my-sub, 0] Created consumer on broker [127.0.0.1:45924 -> 127.0.0.1:6650]
2022-04-11 04:43:29.560 INFO  [139942018497280] ClientTest:216 | Reference count of the consumer: 7
2022-04-11 04:43:29.562 INFO  [139941896357632] HandlerBase:64 | [persistent://public/default/client-test-reference-count-1649652209-reader, reader-0fd8e7ba92, 1] Getting connection from pool
2022-04-11 04:43:29.597 INFO  [139941896357632] ConsumerImpl:224 | [persistent://public/default/client-test-reference-count-1649652209-reader, reader-0fd8e7ba92, 1] Created consumer on broker [127.0.0.1:45924 -> 127.0.0.1:6650]
2022-04-11 04:43:29.598 INFO  [139942018497280] ClientTest:224 | Reference count of the reader's underlying consumer: 3
/pulsar/pulsar-client-cpp/tests/ClientTest.cc:227: Failure
Value of: 1
Expected: readerWeakPtr.use_count()
Which is: 5
2022-04-11 04:43:29.598 WARN  [139942018497280] ConsumerImpl:116 | [persistent://public/default/client-test-reference-count-1649652209, my-sub, 0] Destroyed consumer which was not properly closed
2022-04-11 04:43:29.598 INFO  [139942018497280] ConsumerImpl:124 | [persistent://public/default/client-test-reference-count-1649652209, my-sub, 0] Closed consumer for race condition: 0
2022-04-11 04:43:29.598 INFO  [139942018497280] ProducerImpl:628 | Producer - [persistent://public/default/client-test-reference-count-1649652209, standalone-0-203] , [batchMessageContainer = { BatchMessageContainer [size = 0] [bytes = 0] [maxSize = 1000] [maxBytes = 131072] [topicName = persistent://public/default/client-test-reference-count-1649652209] [numberOfBatchesSent_ = 0] [averageBatchSize_ = 0] }]
2022-04-11 04:43:29.598 WARN  [139942018497280] ProducerImpl:114 | [persistent://public/default/client-test-reference-count-1649652209, standalone-0-203] Destroyed producer which was not properly closed
2022-04-11 04:43:29.598 INFO  [139942018497280] ClientConnection:1560 | [127.0.0.1:45924 -> 127.0.0.1:6650] Connection closed
[  FAILED  ] ClientTest.testReferenceCount (101 ms)
[----------] 1 test from ClientTest (101 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (101 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] ClientTest.testReferenceCount

PTAL @BewareMyPower