Build failed in Jenkins: mahout-nightly » Mahout Math #1335

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INFO: --- build-helper-maven-plugin:1.8:add-source (add-source) @ mahout-math ---
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INFO: --- maven-resources-plugin:2.6:resources (default-resources) @ mahout-math ---
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INFO: --- maven-compiler-plugin:3.1:compile (default-compile) @ mahout-math ---
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[WARNING] Note: Some input files use unchecked or unsafe operations.
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INFO: --- maven-surefire-plugin:2.15:test (default-test) @ mahout-math ---
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INFO: --- build-helper-maven-plugin:1.8:remove-project-artifact (remove-old-mahout-artifacts) @ mahout-math ---
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Jenkins build is back to normal : mahout-nightly » Mahout Math #1336

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See <https://builds.apache.org/job/mahout-nightly/org.apache.mahout$mahout-math/1336/>