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Posted to issues@spark.apache.org by "liyunzhang (JIRA)" <ji...@apache.org> on 2017/11/30 07:40:00 UTC
[jira] [Comment Edited] (SPARK-22660) Use position() and limit() to
fix ambiguity issue in scala-2.12 and JDK9
[ https://issues.apache.org/jira/browse/SPARK-22660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272249#comment-16272249 ]
liyunzhang edited comment on SPARK-22660 at 11/30/17 7:39 AM:
--------------------------------------------------------------
some new error
{code}
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] ^
{code}
The key type is Object instead of String, which is unsafe.
was (Author: kellyzly):
some new error
{code}
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] ^
{code}
> Use position() and limit() to fix ambiguity issue in scala-2.12 and JDK9
> ------------------------------------------------------------------------
>
> Key: SPARK-22660
> URL: https://issues.apache.org/jira/browse/SPARK-22660
> Project: Spark
> Issue Type: Improvement
> Components: Build
> Affects Versions: 2.2.0
> Reporter: liyunzhang
>
> Based on SPARK-22659
> 1. compile with -Pscala-2.12 and get the error
> {code}
> Use position() and limit() to fix ambiguity issue
> {code}
> spark_source/core/src/main/scala/org/apache/spark/executor/Executor.scala:455: ambiguous reference to overloaded definition, method limit in class ByteBuffer of type (x$1: Int)java.nio.ByteBuffer
> method limit in class Buffer of type ()Int
> match expected type ?
> val resultSize = serializedDirectResult.limit
> error
> {code}
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