Fixes MiMa checks

Author: liancheng

project/MimaExcludes.scala

@@ -81,6 +81,32 @@ object MimaExcludes {
               "org.apache.spark.mllib.linalg.Matrix.numNonzeros"),
             ProblemFilters.exclude[MissingMethodProblem](
               "org.apache.spark.mllib.linalg.Matrix.numActives")
+          ) ++ Seq(
+            // SPARK-6776 Implement backwards-compatibility rules in Catalyst converters
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystGroupConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystStructConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystPrimitiveRowConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystPrimitiveStringConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystMapConverter"),
+            ProblemFilters.exclude[FinalClassProblem](
+              "org.apache.spark.sql.parquet.CatalystConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystNativeArrayConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystNativeArrayConverter$"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystArrayContainsNullConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystArrayConverter$"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystPrimitiveConverter"),
+            ProblemFilters.exclude[MissingClassProblem](
+              "org.apache.spark.sql.parquet.CatalystArrayConverter")
           )
         case v if v.startsWith("1.4") =>
           Seq(