From aa41a522d821c989c65fa3f7f2a4d372e39bb958 Mon Sep 17 00:00:00 2001 From: "baishuo(白硕)" Date: Tue, 3 Jun 2014 13:39:47 -0700 Subject: fix java.lang.ClassCastException MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit get Exception when run：bin/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 Author: baishuo(白硕) Closes #949 from baishuo/master and squashes the following commits: f4b319f [baishuo(白硕)] fix java.lang.ClassCastException --- examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'examples/src/main/scala') diff --git a/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala b/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala index 61c460c6b1..63db688bfb 100644 --- a/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala +++ b/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala @@ -43,7 +43,7 @@ object RDDRelation { sql("SELECT * FROM records").collect().foreach(println) // Aggregation queries are also supported. - val count = sql("SELECT COUNT(*) FROM records").collect().head.getInt(0) + val count = sql("SELECT COUNT(*) FROM records").collect().head.getLong(0) println(s"COUNT(*): $count") // The results of SQL queries are themselves RDDs and support all normal RDD functions. The -- cgit v1.2.3