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<sep/>files to identify the metrics that are the best predictors of bugs. The result is Enerjy, an Eclipse plug-in that can spot bugs before they happen, so you can develop faster by getting it right<sep/>

At MySQL we run a whole regression test suite on various platforms after each code “push”. If you are coming from CVS or SVN and alike, then think about a “commit” when we say “push”.

The test language we use is described here: MySQL Test Framework

We at the Falcon team wanted to see our progression in terms of bugs fixed, so for over 18 months we additionally are running Falcon related tests on a weekly basis. With lot’s of teams working on MySQL sometimes there are tests, which fail in rather random fashion. Such tests are usually disabled, so that other teams don’t get distracted. For our Weekly Falcon Test Overview we enable all disabled test, to see where we are.

I will try to do a public weekly report about the status of Falcon along with the Weekly Falcon Test Overview results, bugs we have fixed, and noteworthy news.

Last week we saw this bug fixes for Falcon:

• Jim Starkey fixed couple of bugs.
• Sergey Vojtovich fixed this tablespace related bugs: BUG#33723, BUG#34048, and BUG#34617.
• Vladislav Vaintroub was very busy hunting down a duplicate key bug we saw lately in Falcon.

As we are an Open Source company, our bug system is open to all: http://bugs.mysql.com/

If you are interested in Falcon related bugs, you can use our saved search at: http://bugs.mysql.com/saved/FalconBugs

As a special add-on for fans of numbers and statistics, here is the list of the Falcon test overview status in plain text:

2006-09-01 Failed 30/67 tests, 55.22% were successful.
2006-09-15 Failed 28/75 tests, 62.67% were successful.
2006-09-22 Failed 30/76 tests, 60.53% were successful.
2006-09-29 Failed 26/77 tests, 66.23% were successful.
2006-10-06 Failed 26/79 tests, 67.09% were successful.
2006-10-13 Failed 25/83 tests, 69.88% were successful.
2006-10-20 Failed 26/83 tests, 68.67% were successful.
2006-10-27 Failed 28/88 tests, 68.18% were successful.
2006-11-03 Failed 31/92 tests, 66.30% were successful.
2006-11-10 Failed 31/99 tests, 68.69% were successful.
2006-11-17 Failed 26/101 tests, 74.26% were successful.
2006-11-24 Failed 26/102 tests, 74.51% were successful.
2006-12-01 Failed 25/102 tests, 75.49% were successful.
2006-12-08 Failed 25/105 tests, 76.19% were successful.
2006-12-15 Failed 22/106 tests, 79.25% were successful.
2006-12-22 Failed 23/107 tests, 78.50% were successful.
2006-12-29 Failed 24/107 tests, 77.57% were successful.
2007-01-05 Failed 24/107 tests, 77.57% were successful.
2007-01-12 Failed 25/110 tests, 77.27% were successful.
2007-01-19 Failed 26/110 tests, 76.36% were successful.
2007-01-26 Failed 23/110 tests, 79.09% were successful.
2007-02-02 Failed 22/110 tests, 80.00% were successful.
2007-02-11 Failed 22/110 tests, 80.00% were successful.
2007-02-16 Failed 23/114 tests, 79.82% were successful.
2007-02-23 Failed 27/123 tests, 78.05% were successful.
2007-03-02 Failed 27/123 tests, 78.05% were successful.
2007-03-10 Failed 43/127 tests, 66.14% were successful.
2007-03-17 Failed 30/127 tests, 76.38% were successful.
2007-03-24 Failed 29/129 tests, 77.52% were successful.
2007-04-15 Failed 28/132 tests, 78.79% were successful.
2007-04-20 Failed 32/142 tests, 77.46% were successful.
2007-04-27 Failed 28/145 tests, 80.69% were successful.
2007-05-04 Failed 30/148 tests, 79.73% were successful.
2007-05-11 Failed 27/148 tests, 81.76% were successful.
2007-05-18 Failed 26/149 tests, 82.55% were successful.
2007-05-25 Failed 33/150 tests, 78.00% were successful.
2007-06-01 Failed 32/155 tests, 79.35% were successful.
2007-06-08 Failed 29/155 tests, 81.29% were successful.
2007-07-06 Failed 23/158 tests, 85.44% were successful.
2007-07-13 Failed 19/159 tests, 88.05% were successful.
2007-07-20 Failed 20/159 tests, 87.42% were successful.
2007-07-27 Failed 20/160 tests, 87.50% were successful.
2007-08-03 Failed 20/161 tests, 87.58% were successful.
2007-09-07 Failed 24/170 tests, 85.88% were successful.
2007-09-14 Failed 29/172 tests, 83.14% were successful.
2007-09-21 Failed 28/172 tests, 83.72% were successful.
2008-01-10 Failed 21/185 tests, 88.65% were successful.
2008-01-24 Failed 21/185 tests, 88.65% were successful.
2008-02-01 Failed 22/185 tests, 88.11% were successful.
2008-02-28 Failed 17/191 tests, 91.10% were successful.
2008-03-13 Failed 21/194 tests, 89.18% were successful.
2008-03-20 Failed 21/194 tests, 89.18% were successful.
2008-03-28 Failed 19/189 tests, 89.95% were successful.
2008-04-04 Failed 21/194 tests, 89.18% were successful.

I have recently found some UnicodeDecodeError bugs on some products, that some people couldn’t reproduced. The bug was due to a call to a CMF API that was doing a str() over the object, right before using it. This is perfectly fine in that case, because the object is supposed to be a ZODB id, so [...]

reportLevel="experimental"

Hammurapi is an open source code inspection tool. Its release comes with more than 100 inspectors which inspect different aspects of code: Compliance with EJB specification, threading issues, coding standards, and much more.