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https://issues.apache.org/jira/browse/HBASE-18089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16051822#comment-16051822
]
Xiang Li commented on HBASE-18089:
----------------------------------
The logic of testImportanceOfHeartbeats(testHeartbeatBetweenRows()):
* Set client scanner lease period (timeout) to 1000 ms (see CLIENT_TIMEOUT)
* It scans 5 rows (see NUM_ROWS), and set the time to sleep between each row to
200 ms (see DEFAULT_ROW_SLEEP_TIME).
* The call duration is like 1000+ ms (a little more than DEFAULT_ROW_SLEEP_TIME
* NUM_ROWS ms), while call time-out is 1000 ms (set by client scanner lease
period), so it will time-out if heartbeat is disabled.
* Result expected
** When heartbeat is enabled, no exception is expected
** When heartbeat is disabled, the following exception is expected
{code}
java.net.SocketTimeoutException: callTimeout=1000, callDuration=1016: Call to
xxxx failed on local exception:
org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=34, waitTime=1013,
rpcTimetout=1000 row '' on table 'testScannerHeartbeatMessagesTable' at
region=testScannerHeartbeatMessagesTable,,1497612784023.958b55cc0d2971377a027bdf1a1698fa.,
hostname=xxxx, seqNum=2
{code}
> TestScannerHeartbeatMessages fails in branch-1
> ----------------------------------------------
>
> Key: HBASE-18089
> URL: https://issues.apache.org/jira/browse/HBASE-18089
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Xiang Li
> Attachments: test-heartbeat-6860.out
>
>
> From
> https://builds.apache.org/job/PreCommit-HBASE-Build/6860/artifact/patchprocess/patch-unit-hbase-server.txt
> :
> {code}
> testScannerHeartbeatMessages(org.apache.hadoop.hbase.regionserver.TestScannerHeartbeatMessages)
> Time elapsed: 2.376 sec <<< FAILURE!
> java.lang.AssertionError: Heartbeats messages are disabled, an exception
> should be thrown. If an exception is not thrown, the test case is not
> testing the importance of heartbeat messages
> at org.junit.Assert.fail(Assert.java:88)
> at
> org.apache.hadoop.hbase.regionserver.TestScannerHeartbeatMessages.testImportanceOfHeartbeats(TestScannerHeartbeatMessages.java:237)
> at
> org.apache.hadoop.hbase.regionserver.TestScannerHeartbeatMessages.testScannerHeartbeatMessages(TestScannerHeartbeatMessages.java:207)
> {code}
> Similar test failure can be observed in
> https://builds.apache.org/job/PreCommit-HBASE-Build/6852/artifact/patchprocess/patch-unit-hbase-server.txt
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