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Mustang has gone Beta

Posted by robogeek on February 15, 2006 at 8:49 AM PST

Java SE 6 (a.k.a. "Mustang") has reached Beta status.  The sharp eyed will notice the Beta is based on build 59 while the current build available as "early access" is build 71 (or thereabouts).  There's a long story behind that which I can't tell other than to say the declared Beta build kept having showstopper bugs which prevented us from shipping the beta. 

Details are on the Java SE 6 home page.  There's a lot of cool stuff in Mustang.

I want to take this moment to discuss, again, the Mustang Regressions contest.  With this contest we are asking you to check out your application and tell us of any regressions you find.  What is a "regression"?  The dictionary defines it as a reversion to a less perfect state, and in software quality regression means functionality which used to work and no longer does.

Obviously you guys will eventually want to migrate your applications to Java SE 6 or some future version.  There's various "gating" issues that controls that decision (e.g. your appserver might take awhile to migrate to a new Java version).  One issue is the answer to this question: "will Java SE 6 break my application"?

What we want to do in this contest is to tilt that answer towards "no".  To do so we need your help, as I've discussed before.

We do a lot of testing in many forms.  The developers write unit tests, performance tests, and regression tests.  The JCK team writes compatibility tests.  The SQE team writes functional tests.  We run these tests all the time doing extensive testing for each build, and doing exhaustive testing for "milestone builds" such as the Beta releases.

No matter how exhaustively we test Java we miss a very important test that we cannot do.  Only you can do it, because that test is to run your application, in your environment, on your data, under your workload. 

With the contest we are asking you to do that testing yourself, and to tell us of any negative results.  We'll do our best to fix/address the problems either in the Mustang FCS or an update release.

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