Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1078#issuecomment-138826497
Your build is failing due to scalastyle checks
```
[INFO]
[INFO] --- maven-failsafe-plugin:2.17:verify (default) @ flink-ml ---
[INFO] Failsafe report directory:
/home/travis/build/apache/flink/flink-staging/flink-ml/target/failsafe-reports
[INFO]
[INFO] --- scalastyle-maven-plugin:0.5.0:check (default) @ flink-ml ---
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=101
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=108
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=111
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=118
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=125
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=132
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=136
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=139
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/DenseVectorSuite.scala
message=File line length exceeds 100 characters line=146
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=151
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=158
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=162
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=169
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=176
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=180
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=183
error
file=/home/travis/build/apache/flink/flink-staging/flink-ml/src/test/scala/org/apache/flink/ml/math/SparseVectorSuite.scala
message=File line length exceeds 100 characters line=190
Saving to
outputFile=/home/travis/build/apache/flink/flink-staging/flink-ml/scalastyle-output.xml
Processed 64 file(s)
Found 17 errors
```
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