huanghuai created SPARK-25523: --------------------------------- Summary: Multithreading executive sparkSession.read().jdbc(url, table, properties) problem Key: SPARK-25523 URL: https://issues.apache.org/jira/browse/SPARK-25523 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 2.3.0 Environment: h3. [IntelliJ _IDEA_|http://www.baidu.com/link?url=7ZLtsOfyqR1YxLqcTU0Q-hqXWV_PsY6IzIzZoKhiXZZ4AcLrpQ4DoTG30yIN-Gs8]
local mode Reporter: huanghuai when i execute sparkSession.read().jdbc(url, table, properties) in 2 or 3 thread , it will be in limitless waiting. I found it by debug step by step, and finally waited here: JdbcRelationProvider.createRelation() method at line 34: val jdbcOptions = new JDBCOptions(parameters) when I press F8, Spark did not run away. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org