YARN-3459. Fix failiure of TestLog4jWarningErrorMetricsAppender. (Varun Vasudev via wangda)

(cherry picked from commit 7af086a515d573dc90ea4deec7f4e3f23622e0e8)

hadoop-yarn-project/CHANGES.txt

@@ -108,6 +108,9 @@ Release 2.8.0 - UNRELEASED
     YARN-3457. NPE when NodeManager.serviceInit fails and stopRecoveryStore called.
     (Bibin A Chundatt via ozawa)
 
+    YARN-3459. Fix failiure of TestLog4jWarningErrorMetricsAppender.
+    (Varun Vasudev via wangda)
+
 Release 2.7.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestLog4jWarningErrorMetricsAppender.java

@@ -84,7 +84,7 @@ public class TestLog4jWarningErrorMetricsAppender {
     Assert.assertEquals(1, appender.getErrorCounts(cutoff).get(0).longValue());
     Assert.assertEquals(1, appender.getErrorMessagesAndCounts(cutoff).get(0)
       .size());
-    Thread.sleep(2000);
+    Thread.sleep(3000);
     Assert.assertEquals(1, appender.getErrorCounts(cutoff).size());
     Assert.assertEquals(0, appender.getErrorCounts(cutoff).get(0).longValue());
     Assert.assertEquals(0, appender.getErrorMessagesAndCounts(cutoff).get(0)