Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/6243#issuecomment-103302603
For those curious, the compilation thing seems to be something super weird
with scalac. This code compiles fine:
package org.apache.spark.sql
import org.apache.spark.sql.catalyst.JavaTypeInference
import com.google.common.reflect.TypeToken
object foo{
def main(args: Array[String]): Unit = {
JavaTypeInference.inferDataType(TypeToken.of(classOf[Integer]))
}
}
While the following java code:
import org.apache.spark.sql.catalyst.JavaTypeInference$;
import com.google.common.reflect.TypeToken;
class foo {
public static void main(String[] args) {
JavaTypeInference$.inferDataType(TypeToken.of(foo.class));
}
}
Fails with the expected error:
test.java:7:
inferDataType(org.spark-project.guava.reflect.TypeToken<?>) in
org.apache.spark.sql.catalyst.JavaTypeInference$ cannot be applied to
(com.google.common.reflect.TypeToken<foo>)
JavaTypeInference$.inferDataType(TypeToken.of(foo.class));
Perhaps it has something to do with the fact that we're using a technically
illegal package name for the shaded classes (`org.spark-project`).
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