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Mohsen Taheri commented on SPARK-27585: --------------------------------------- The imported table (reading from JDBC) has no primary key. > No such method error (sun.nio.ch.DirectBuffer.cleaner()) > -------------------------------------------------------- > > Key: SPARK-27585 > URL: https://issues.apache.org/jira/browse/SPARK-27585 > Project: Spark > Issue Type: Bug > Components: Spark Core, SQL > Affects Versions: 2.4.1, 2.4.2 > Reporter: Mohsen Taheri > Priority: Major > > The error appears when a JDBC read executes and lasts for a while > (partitioned queries with null conditions are executing with more than normal > query timing and then it results in the error maybe) -- 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