From 5a89b9aa4085d005312a01ff758ba960424fc01d Mon Sep 17 00:00:00 2001
From: Till Rohrmann <trohrmann@apache.org>
Date: Wed, 18 Jul 2018 09:48:49 +0200
Subject: [PATCH] [hotfix] Harden JarUploadHandlerTest#testUploadJar

Use lastIndexOf("_") instead of indexOf("_") in order to find the file name part
---
 .../flink/runtime/webmonitor/handlers/JarUploadHandlerTest.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarUploadHandlerTest.java b/flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarUploadHandlerTest.java
index 164171df2992f..648e7fc0451f9 100644
--- a/flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarUploadHandlerTest.java
+++ b/flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarUploadHandlerTest.java
@@ -106,7 +106,7 @@ public void testUploadJar() throws Exception {
 		assertThat(jarUploadResponseBody.getStatus(), equalTo(JarUploadResponseBody.UploadStatus.success));
 		final String returnedFileNameWithUUID = jarUploadResponseBody.getFilename();
 		assertThat(returnedFileNameWithUUID, containsString("_"));
-		final String returnedFileName = returnedFileNameWithUUID.substring(returnedFileNameWithUUID.indexOf("_") + 1);
+		final String returnedFileName = returnedFileNameWithUUID.substring(returnedFileNameWithUUID.lastIndexOf("_") + 1);
 		assertThat(returnedFileName, equalTo(uploadedFile.getFileName().toString()));
 	}