keith-turner opened a new pull request, #1123:
URL: https://github.com/apache/fluo/pull/1123
There was a bug where if a column family was empty and the qual was not
empty this would cause lock recovery to fail. The underlying cause was a bug
in the Column class. This class has an isFamilySet() method that was returning
false when the family was set to the empty string. This cause caused lock
recovery code to create an incorrect range.
The Column class was relying on internal behavior of the Bytes class that
probably changed and caused this bug.
This commit adds a new IT that recreates this bug. If the new IT is run w/o
the fix to the Column class then it would fail as follows.
```
Running org.apache.fluo.integration.impl.FailureIT
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 8.011 sec
<<< FAILURE! - in org.apache.fluo.integration.impl.FailureIT
testRecoverEmptyColumn(org.apache.fluo.integration.impl.FailureIT) Time
elapsed: 7.096 sec <<< ERROR!
java.lang.IllegalStateException: can not abort : bob bal 5 (UNKNOWN)
at
org.apache.fluo.integration.impl.FailureIT.testRecoverEmptyColumn(FailureIT.java:688)
```
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