| Re: [stellation-res] New workspace code status, with news of a very obscure bug. |
On Thu, Aug 29, 2002 at 01:50:59PM -0400, Dave Shields wrote: > I just fixed a very obscure bug in the workspace code. The code was > failing several tests in an intermittent fashion. After several hours > of debugging, I learned that the resolution of File.lastModified() is > only one second in Linux, and the new workspace code was so much > faster that some tests were updating files in the same second as the > checkout, so the change was not detected! Adding a 'sleep 1' at end > of Checkout fixed the problem. > > I revisited, and largely rewrote, all the code related to signatures > (two versions of an artifact are deemed to be different if and only if > they have different signatures). The signature is now the MD5 checksum I am not sure about the second if. I know it is hard to come with two different files that have the same MD5 but still... florin > of the artifact content (for text and data), or of the members map > (for compounds) or the link target (for links). I also recently > realized that if we insert MessageDigest filter streams at the > appropriate point in artifact input/output, we can compute these > signatures with minimal overhead, and I will try to do this soon. > > I hope to post my latest code later today. Hopefully Mark will be able > to merge it into CVS before our site goes down for the weekend. > > dave > > -- > Dave Shields, IBM Research, shields@xxxxxxxxxxxxxx. > _______________________________________________ > stellation-res mailing list > stellation-res@xxxxxxxxxxxxxxx > http://dev.eclipse.org/mailman/listinfo/stellation-res > -- "If it's not broken, let's fix it till it is." 41A9 2BDE 8E11 F1C5 87A6 03EE 34B3 E075 3B90 DFE4
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