GitHub user AiHe reopened a pull request:
https://github.com/apache/spark/pull/5810
[MLLIB][tree] Verify size of input rdd > 0 when building meta data
Require non empty input rdd such that we can take the first labeledpoint
and get the feature size
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/AiHe/spark decisiontree-issue
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5810.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5810
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commit b448f47b02b2eba71f90c83f6654cb998d65f141
Author: Alain <[email protected]>
Date: 2015-04-30T17:31:23Z
[MLLIB][tree] Verify size of input rdd > 0 when building meta data
Require non empty input rdd such that we can take the first
labeledpoint and get the feature size
commit cf2e567cadfd3489c3c9ea1ef1712619ad85692a
Author: Alain <[email protected]>
Date: 2015-04-30T22:05:03Z
[MLLIB][tree] Use a rdd api to verify size of input rdd > 0 when building
meta data
Use rdd api isEmpty
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