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¡) <[email protected]>
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
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