Eliminate warnings: part 7

/mllib/src/test/scala/org/apache/spark/ml/clustering/BisectingKMeansSuite.scala
Warning:Warning:line (108)method computeCost in class BisectingKMeansModel is deprecated (since 3.0.0): This method is deprecated and will be removed in future versions. Use ClusteringEvaluator instead. You can also get the cost on the training dataset in the summary.
assert(model.computeCost(dataset) < 0.1)
Warning:Warning:line (135)method computeCost in class BisectingKMeansModel is deprecated (since 3.0.0): This method is deprecated and will be removed in future versions. Use ClusteringEvaluator instead. You can also get the cost on the training dataset in the summary.
assert(model.computeCost(dataset) == summary.trainingCost)
Warning:Warning:line (195)method computeCost in class BisectingKMeansModel is deprecated (since 3.0.0): This method is deprecated and will be removed in future versions. Use ClusteringEvaluator instead. You can also get the cost on the training dataset in the summary.
model.computeCost(dataset)

/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/jsonExpressions.scala
Warning:Warning:line (105)Java enum ALLOW_UNQUOTED_CONTROL_CHARS in Java enum Feature is deprecated: see corresponding Javadoc for more information.
jsonFactory.enable(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS)

/sql/core/src/test/java/test/org/apache/spark/sql/Java8DatasetAggregatorSuite.java
Warning:Warning:line (28)java: org.apache.spark.sql.expressions.javalang.typed in org.apache.spark.sql.expressions.javalang has been deprecated
Warning:Warning:line (37)java: org.apache.spark.sql.expressions.javalang.typed in org.apache.spark.sql.expressions.javalang has been deprecated
Warning:Warning:line (46)java: org.apache.spark.sql.expressions.javalang.typed in org.apache.spark.sql.expressions.javalang has been deprecated
Warning:Warning:line (55)java: org.apache.spark.sql.expressions.javalang.typed in org.apache.spark.sql.expressions.javalang has been deprecated
Warning:Warning:line (64)java: org.apache.spark.sql.expressions.javalang.typed in org.apache.spark.sql.expressions.javalang has been deprecated

/sql/core/src/test/java/test/org/apache/spark/sql/JavaTestUtils.java
Information:Information:java: /Users/maxim/proj/eliminate-warning/sql/core/src/test/java/test/org/apache/spark/sql/JavaTestUtils.java uses unchecked or unsafe operations.
Information:Information:java: Recompile with -Xlint:unchecked for details.

/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
Warning:Warning:line (478)java: json(org.apache.spark.api.java.JavaRDD<java.lang.String>) in org.apache.spark.sql.DataFrameReader has been deprecated