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https://issues.apache.org/jira/browse/SPARK-24337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16494038#comment-16494038
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Apache Spark commented on SPARK-24337:
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User 'PenguinToast' has created a pull request for this issue:
https://github.com/apache/spark/pull/21454
> Improve the error message for invalid SQL conf value
> ----------------------------------------------------
>
> Key: SPARK-24337
> URL: https://issues.apache.org/jira/browse/SPARK-24337
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Shixiong Zhu
> Assignee: Xiao Li
> Priority: Major
>
> Right now Spark will throw the following error message when a config is set
> to an invalid value. It would be great if the error message contains the
> config key so that it's easy to tell which one is wrong.
> {code}
> Size must be specified as bytes (b), kibibytes (k), mebibytes (m), gibibytes
> (g), tebibytes (t), or pebibytes(p). E.g. 50b, 100k, or 250m.
> Fractional values are not supported. Input was: 1.6
> at
> org.apache.spark.network.util.JavaUtils.byteStringAs(JavaUtils.java:291)
> at
> org.apache.spark.internal.config.ConfigHelpers$.byteFromString(ConfigBuilder.scala:66)
> at
> org.apache.spark.internal.config.ConfigBuilder$$anonfun$bytesConf$1.apply(ConfigBuilder.scala:234)
> at
> org.apache.spark.internal.config.ConfigBuilder$$anonfun$bytesConf$1.apply(ConfigBuilder.scala:234)
> at
> org.apache.spark.sql.internal.SQLConf.setConfString(SQLConf.scala:1300)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder$$anonfun$mergeSparkConf$1.apply(BaseSessionStateBuilder.scala:78)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder$$anonfun$mergeSparkConf$1.apply(BaseSessionStateBuilder.scala:77)
> at
> scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder.mergeSparkConf(BaseSessionStateBuilder.scala:77)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder.conf$lzycompute(BaseSessionStateBuilder.scala:90)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder.conf(BaseSessionStateBuilder.scala:88)
> at
> org.apache.spark.sql.internal.BaseSessionStateBuilder.build(BaseSessionStateBuilder.scala:289)
> at
> org.apache.spark.sql.SparkSession$.org$apache$spark$sql$SparkSession$$instantiateSessionState(SparkSession.scala:1071)
> ... 59 more
> {code}
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