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From aljoscha <...@git.apache.org>
Subject [GitHub] flink issue #4636: [FLINK-2268] Allow Flink binary release without Hadoop
Date Wed, 06 Sep 2017 09:31:37 GMT
Github user aljoscha commented on the issue:

    Thanks for reviewing @EronWright and @zentol. I pushed some more commits that address
your comments.
    I did check the approach of first using `Class.forName()` and then using the class normally
by building a Hadoop-free Flink and running a cluster and some examples. I think the class
loader only loads classes if they appear in method signatures or fields, not when classes
only appear in code.
    @EronWright Yes, your hunch is correct and I did check this on GCE (dataproc)and AWS(EMR).
This is actually quite nice because you can now build a Hadoop-free Flink and only use the
Hadoop dependencies provided by your distro.


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