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From Vladimir Sitnikov <>
Subject pentaho-aggdesigner vs GPL issues
Date Tue, 10 Mar 2015 16:00:00 GMT

Calcite has a runtime dependency on

Can you please clarify what is the source of that artifact?
Is it actually safe under Apache 2 license?

pentaho-aggdesigner is clearly GPL-2 licensed:

I am not an expert in licensing issues, however I think it is not
valid to change project license from GPL to whatever by merely
performing a fork

It looks like we should either drop pentaho-aggdesigner dependency, or
convince pentaho to enable Apache 2 compatible usage of the artifact
in question.

Vladimir Sitnikov

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