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https://issues.apache.org/jira/browse/SPARK-10036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14698727#comment-14698727
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Apache Spark commented on SPARK-10036:
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User 'zsxwing' has created a pull request for this issue:
https://github.com/apache/spark/pull/8232
> DataFrameReader.json and DataFrameWriter.json don't load the JDBC driver
> class before creating JDBC connection
> --------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-10036
> URL: https://issues.apache.org/jira/browse/SPARK-10036
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Shixiong Zhu
>
> Here is the reproduce code and the stack trace
> {code}
> val url = "jdbc:postgresql://.../mytest"
> import java.util.Properties
> val prop = new Properties()
> prop.put("driver", "org.postgresql.Driver")
> prop.put("user", "...")
> prop.put("password", "...")
> val df = sqlContext.read.jdbc(url, "mytest", prop)
> {code}
> {code}
> java.sql.SQLException: No suitable driver found for
> jdbc:postgresql://.../mytest
> at java.sql.DriverManager.getConnection(DriverManager.java:689)
> at java.sql.DriverManager.getConnection(DriverManager.java:208)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:121)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:91)
> at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:200)
> at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:130)
> {code}
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