Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/12203#discussion_r60096433
--- Diff:
yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientSuite.scala ---
@@ -285,6 +285,36 @@ class ClientSuite extends SparkFunSuite with Matchers
with BeforeAndAfterAll
classpath(client) should contain (buildPath(PWD, LOCALIZED_LIB_DIR,
"*"))
}
+ test("ignore same name jars") {
+ val libs = Utils.createTempDir()
+ val jarsDir = new File(libs, "jars")
+ assert(jarsDir.mkdir())
+ new FileOutputStream(new File(libs, "RELEASE")).close()
+ val userLibs = Utils.createTempDir()
+
+ val jar1 = TestUtils.createJarWithFiles(Map(), jarsDir)
+ val jar2 = TestUtils.createJarWithFiles(Map(), userLibs)
+ // Copy jar2 to jar3 with same name
+ val jar3 = {
--- End diff --
You could have used `java.nio.file.Files.copy`, but no need to change that
now.
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