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https://issues.apache.org/jira/browse/SPARK-16680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15391709#comment-15391709
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KaiXinXIaoLei commented on SPARK-16680:
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[~dongjoon] In the ChildFirstURLClassLoader
private[spark] class ChildFirstURLClassLoader(urls: Array[URL], parent:
ClassLoader)
extends MutableURLClassLoader(urls, null)
do you know why is not "extends MutableURLClassLoader(urls, parent)"?
> Set spark.driver.userClassPathFirst=true, and run spark-sql failed
> ------------------------------------------------------------------
>
> Key: SPARK-16680
> URL: https://issues.apache.org/jira/browse/SPARK-16680
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: KaiXinXIaoLei
>
> There is an exception when I run “sh bin/spark-sql --conf
> spark.driver.userClassPathFirst=true”
> 16/07/22 15:54:54 INFO HiveSharedState: Warehouse path is
> 'file:/home/hll/code/spark-master-0722/spark-master/spark-warehouse'.
> Exception in thread "main" java.lang.IllegalArgumentException: Unable to
> locate hive jars to connect to metastore. Please set
> spark.sql.hive.metastore.jars.
> at
> org.apache.spark.sql.hive.HiveUtils$.newClientForMetadata(HiveUtils.scala:299)
> at
> org.apache.spark.sql.hive.HiveUtils$.newClientForMetadata(HiveUtils.scala:263)
> at
> org.apache.spark.sql.hive.HiveSharedState.metadataHive$lzycompute(HiveSharedState.scala:39)
> at
> org.apache.spark.sql.hive.HiveSharedState.metadataHive(HiveSharedState.scala:38)
> at
> org.apache.spark.sql.hive.HiveSessionState.metadataHive$lzycompute(HiveSessionState.scala:43)
> at
> org.apache.spark.sql.hive.HiveSessionState.metadataHive(HiveSessionState.scala:43)
> at
> org.apache.spark.sql.hive.thriftserver.SparkSQLEnv$.init(SparkSQLEnv.scala:62)
> at
> org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.<init>(SparkSQLCLIDriver.scala:288)
> at
> org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:137)
> at
> org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:729)
> at
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:185)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:210)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:124)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
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