[GitHub] HyukjinKwon closed pull request #162: Add a note about Spark build requirement at PySpark testing guide in Developer Tools

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[GitHub] HyukjinKwon closed pull request #162: Add a note about Spark build requirement at PySpark testing guide in Developer Tools

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HyukjinKwon closed pull request #162: Add a note about Spark build requirement at PySpark testing guide in Developer Tools
URL: https://github.com/apache/spark-website/pull/162
 
 
   

This is a PR merged from a forked repository.
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diff --git a/developer-tools.md b/developer-tools.md
index ebe6905fa..43ad445d6 100644
--- a/developer-tools.md
+++ b/developer-tools.md
@@ -131,6 +131,8 @@ build/mvn test -DwildcardSuites=none -Dtest=org.apache.spark.streaming.JavaAPISu
 <h4>Testing PySpark</h4>
 
 To run individual PySpark tests, you can use `run-tests` script under `python` directory. Test cases are located at `tests` package under each PySpark packages.
+Note that, if you add some changes into Scala or Python side in Apache Spark, you need to manually build Apache Spark again before running PySpark tests in order to apply the changes.
+Running PySpark testing script does not automatically build it.
 
 To run test cases in a specific module:
 
diff --git a/site/developer-tools.html b/site/developer-tools.html
index 82dab671a..710f6f53e 100644
--- a/site/developer-tools.html
+++ b/site/developer-tools.html
@@ -313,7 +313,9 @@ <h4>Testing with Maven</h4>
 
 <h4>Testing PySpark</h4>
 
-<p>To run individual PySpark tests, you can use <code>run-tests</code> script under <code>python</code> directory. Test cases are located at <code>tests</code> package under each PySpark packages.</p>
+<p>To run individual PySpark tests, you can use <code>run-tests</code> script under <code>python</code> directory. Test cases are located at <code>tests</code> package under each PySpark packages.
+Note that, if you add some changes into Scala or Python side in Apache Spark, you need to manually build Apache Spark again before running PySpark tests in order to apply the changes.
+Running PySpark testing script does not automatically build it.</p>
 
 <p>To run test cases in a specific module:</p>
 


 

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