Github user merlimat commented on the issue:
https://github.com/apache/bookkeeper/pull/152
Ok, this is the error that findbugs gives:
```
[INFO] --- findbugs-maven-plugin:3.0.4:check (default-cli) @
bookkeeper-server ---
[INFO] BugInstance size is 1
[INFO] Error size is 0
[INFO] Total bugs: 1
[INFO] Futile attempt to change max pool size of
ScheduledThreadPoolExecutor in new
org.apache.bookkeeper.util.OrderedSafeExecutor(String, int, ThreadFactory,
StatsLogger, boolean, long) [org.apache.bookkeeper.util.OrderedSafeExecutor] At
OrderedSafeExecutor.java:[line 186]
DMI_FUTILE_ATTEMPT_TO_CHANGE_MAXPOOL_SIZE_OF_SCHEDULED_THREAD_POOL_EXECUTOR
[INFO]
```
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