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  1. Spark
  2. SPARK-22661

Fix the putAll compile error when compiling with scala-2.12 and jdk9

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 2.2.0
    • Fix Version/s: None
    • Component/s: Build
    • Labels:
      None

      Description

      Based on SPARK-22660 and get the following error

      error] /home/zly/prj/oss/jdk9_HOS_SOURCE/spark_source/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformationExec.scala:415: ambiguous reference to overloaded definition, [error] both method putAll in class Properties of type (x$1: java.util.Map[_, _])Unit [error] and  method putAll in class Hashtable of type (x$1: java.util.Map[_ <: Object, _ <: Object])Unit [error] match argument types (java.util.Map[String,String])
      [error]     properties.putAll(propsMap.asJava)
      [error]                ^
      [error] /home/zly/prj/oss/jdk9_HOS_SOURCE/spark_source/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformationExec.scala:427: ambiguous reference to overloaded definition, [error] both method putAll in class Properties of type (x$1: java.util.Map[_, _])Unit [error] and  method putAll in class Hashtable of type (x$1: java.util.Map[_ <: Object, _ <: Object])Unit [error] match argument types (java.util.Map[String,String])
      [error]       props.putAll(outputSerdeProps.toMap.asJava)
      [error]             ^
      
      

      The key type is Object instead of String, which is unsafe.

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              • Assignee:
                Unassigned
                Reporter:
                kellyzly liyunzhang
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                • Created:
                  Updated:
                  Resolved: