Github user eolivelli commented on the issue:
https://github.com/apache/bookkeeper/pull/156
I was trying to merge, but FindBugs check failed,
@merlimat can you fix the warnings ?
```
[INFO] BugInstance size is 3
[INFO] Error size is 0
[INFO] Total bugs: 3
[INFO] new org.apache.bookkeeper.client.MacDigestManager(long, byte[]) may
expose internal representation by storing an externally mutable object into
MacDigestManager.passwd [org.apache.bookkeeper.client.MacDigestManager] At
MacDigestManager.java:[line 63] EI_EXPOSE_REP2
[INFO] org.apache.bookkeeper.client.MacDigestManager.DIGEST_ALGORITHM isn't
final but should be [org.apache.bookkeeper.client.MacDigestManager] At
MacDigestManager.java:[line 38] MS_SHOULD_BE_FINAL
[INFO] org.apache.bookkeeper.client.MacDigestManager.KEY_ALGORITHM isn't
final but should be [org.apache.bookkeeper.client.MacDigestManager] At
MacDigestManager.java:[line 39] MS_SHOULD_BE_FINAL
```
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