[SPARK-17445][DOCS] Reference an ASF page as the main place to find third-party packages

## What changes were proposed in this pull request?

Point references to spark-packages.org to https://cwiki.apache.org/confluence/display/SPARK/Third+Party+Projects

This will be accompanied by a parallel change to the spark-website repo, and additional changes to this wiki.

## How was this patch tested?

Jenkins tests.

Author: Sean Owen <sowen@cloudera.com>

Closes #15075 from srowen/SPARK-17445.

3 files changed, 10 insertions, 12 deletions

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
index 71807b771a..825c01365d 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
@@ -142,12 +142,13 @@ case class DataSource(
                 } else if (provider.toLowerCase == "avro" ||
                   provider == "com.databricks.spark.avro") {
                   throw new AnalysisException(
-                    s"Failed to find data source: ${provider.toLowerCase}. Please use Spark " +
-                      "package http://spark-packages.org/package/databricks/spark-avro")
+                    s"Failed to find data source: ${provider.toLowerCase}. Please find an Avro " +
+                      "package at " +
+                      "https://cwiki.apache.org/confluence/display/SPARK/Third+Party+Projects")
                 } else {
                   throw new ClassNotFoundException(
                     s"Failed to find data source: $provider. Please find packages at " +
-                      "http://spark-packages.org",
+                      "https://cwiki.apache.org/confluence/display/SPARK/Third+Party+Projects",
                     error)
                 }
             }
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
index a2164f9ae3..3cc3b319f5 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
@@ -1645,21 +1645,18 @@ class SQLQuerySuite extends QueryTest with SharedSQLContext {
     e = intercept[AnalysisException] {
       sql(s"select id from `com.databricks.spark.avro`.`file_path`")
     }
-    assert(e.message.contains("Failed to find data source: com.databricks.spark.avro. " +
-      "Please use Spark package http://spark-packages.org/package/databricks/spark-avro"))
+    assert(e.message.contains("Failed to find data source: com.databricks.spark.avro."))
 
     // data source type is case insensitive
     e = intercept[AnalysisException] {
       sql(s"select id from Avro.`file_path`")
     }
-    assert(e.message.contains("Failed to find data source: avro. Please use Spark package " +
-      "http://spark-packages.org/package/databricks/spark-avro"))
+    assert(e.message.contains("Failed to find data source: avro."))
 
     e = intercept[AnalysisException] {
       sql(s"select id from avro.`file_path`")
     }
-    assert(e.message.contains("Failed to find data source: avro. Please use Spark package " +
-      "http://spark-packages.org/package/databricks/spark-avro"))
+    assert(e.message.contains("Failed to find data source: avro."))
 
     e = intercept[AnalysisException] {
       sql(s"select id from `org.apache.spark.sql.sources.HadoopFsRelationProvider`.`file_path`")
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/sources/ResolvedDataSourceSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/sources/ResolvedDataSourceSuite.scala
index 5ea1f32433..76ffb949f1 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/sources/ResolvedDataSourceSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/sources/ResolvedDataSourceSuite.scala
@@ -74,16 +74,16 @@ class ResolvedDataSourceSuite extends SparkFunSuite {
     val error1 = intercept[AnalysisException] {
       getProvidingClass("avro")
     }
-    assert(error1.getMessage.contains("spark-packages"))
+    assert(error1.getMessage.contains("Failed to find data source: avro."))
 
     val error2 = intercept[AnalysisException] {
       getProvidingClass("com.databricks.spark.avro")
     }
-    assert(error2.getMessage.contains("spark-packages"))
+    assert(error2.getMessage.contains("Failed to find data source: com.databricks.spark.avro."))
 
     val error3 = intercept[ClassNotFoundException] {
       getProvidingClass("asfdwefasdfasdf")
     }
-    assert(error3.getMessage.contains("spark-packages"))
+    assert(error3.getMessage.contains("Failed to find data source: asfdwefasdfasdf."))
   }
 }