elek opened a new pull request #1637:
URL: https://github.com/apache/ozone/pull/1637
## What changes were proposed in this pull request?
There is an error log which can be seen frequently in the log:
```
2020-11-30 15:35:58,539 [CommandWatcher-LeaseManager#LeaseMonitor] ERROR
lease.LeaseManager (LeaseManager.java:run(238)) - Execution was interrupted
java.lang.InterruptedException: sleep interrupted
at java.lang.Thread.sleep(Native Method)
at
org.apache.hadoop.ozone.lease.LeaseManager$LeaseMonitor.run(LeaseManager.java:234)
at java.lang.Thread.run(Thread.java:748)
```
This log is introduced by HDDS-2561 to make Sonar happy, but it was not
required as LeaseManager use the thread interrupt intentionally.
For a proper fix we can keep the logging on WARN level AND replace thread
interrupts with thread notify/wait.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-4526
## How was this patch tested?
Unit test. `TestLeaseManager` has good coverage.
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