GitHub user baishuo opened a pull request: https://github.com/apache/spark/pull/949
fix java.lang.ClassCastException get Exception when runï¼bin/run-example org.apache.spark.examples.sql.RDDRelation Exception's detail is: Exception in thread "main" java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:106) at org.apache.spark.sql.catalyst.expressions.GenericRow.getInt(Row.scala:145) at org.apache.spark.examples.sql.RDDRelation$.main(RDDRelation.scala:49) at org.apache.spark.examples.sql.RDDRelation.main(RDDRelation.scala) change sql("SELECT COUNT(*) FROM records").collect().head.getInt(0) to sql("SELECT COUNT(*) FROM records").collect().head.getLong(0), then the Exception do not occur any more You can merge this pull request into a Git repository by running: $ git pull https://github.com/baishuo/spark master Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/949.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #949 ---- commit f4b319f76760e02979813955dfbb5a8dc3a43ffd Author: baishuo(ç½ç¡) <vc_j...@hotmail.com> Date: 2014-06-03T10:32:00Z fix java.lang.ClassCastException get Exception when runï¼bin/run-example org.apache.spark.examples.sql.RDDRelation Exception's detail is: Exception in thread "main" java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:106) at org.apache.spark.sql.catalyst.expressions.GenericRow.getInt(Row.scala:145) at org.apache.spark.examples.sql.RDDRelation$.main(RDDRelation.scala:49) at org.apache.spark.examples.sql.RDDRelation.main(RDDRelation.scala) change sql("SELECT COUNT(*) FROM records").collect().head.getInt(0) to sql("SELECT COUNT(*) FROM records").collect().head.getLong(0), then the Exception do not occur any more ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---