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From "Tom White (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BIGTOP-117) Document incompatible API changes between releases
Date Wed, 12 Oct 2011 18:49:12 GMT
Document incompatible API changes between releases
--------------------------------------------------

                 Key: BIGTOP-117
                 URL: https://issues.apache.org/jira/browse/BIGTOP-117
             Project: Bigtop
          Issue Type: Improvement
            Reporter: Tom White


It would be good to run API compatibility tests to document the difference in user APIs between
releases.

SigTest (http://sigtest.java.net/) is a promising candidate, and is used by OpenJDK and NetBeans
to check for incompatible changes. It is very comprehensive and can check binary and source
compatibility.

I've written some scripts that allow two Hadoop tarballs to be compared for incompatible API
changes. The scripts are at https://github.com/tomwhite/hadoop-compatibility-tools. The scripts
can be easily generalized to check different Bigtop projects.

See also HADOOP-7035

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