Vladimir Sitnikov created CASSANDRA-20994:
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             Summary: Drop commons-lang3 dependency
                 Key: CASSANDRA-20994
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20994
             Project: Apache Cassandra
          Issue Type: Improvement
            Reporter: Vladimir Sitnikov


Currently Cassandra uses only a few classes from commons-lang3, and it would 
probably be worth dropping the dependency for the following reasons:
1) Better security. {{commons-*}} follows "all features in a single jar" 
pattern, so a CVE in one of the classes would impact Cassandra
2) Fewer bytes to ship with binary distribution. `commons-lang3` is ~650K

I have raised a suggestion to make {{commons-lang3}} modular and extract 
modules like {{commons-stringutils}}, {{commons-arrayutils}}, however, Commons 
team does not seem to like the idea.
Commons PMC members often suggest that users should clone the code or shade 
commons-lang, see 
https://lists.apache.org/thread/xzdhv57o9rnxtzn5fqbtkzj0hdkbm339

So I wonder what do you think of dropping commons-lang3 and replacing it with 
core Java?



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