From f0a64245102eda07da53bf2842620bde61146a49 Mon Sep 17 00:00:00 2001
From: Abraham Fine <afine@apache.org>
Date: Fri, 22 Dec 2017 14:12:26 -0800
Subject: [PATCH] ZOOKEEPER-2961: Fix testElectionFraud Flakyness

---
 .../apache/zookeeper/server/quorum/QuorumPeerMainTest.java   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java b/src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java
index 2a02428d103..9c6bd3a6639 100644
--- a/src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java
+++ b/src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java
@@ -34,6 +34,7 @@
 import org.apache.log4j.Layout;
 import org.apache.log4j.Level;
 import org.apache.log4j.Logger;
+import org.apache.log4j.PatternLayout;
 import org.apache.log4j.WriterAppender;
 import org.apache.zookeeper.CreateMode;
 import org.apache.zookeeper.KeeperException;
@@ -346,9 +347,9 @@ public void testHighestZxidJoinLate() throws Exception {
     @Test
     public void testElectionFraud() throws IOException, InterruptedException {
         // capture QuorumPeer logging
-        Layout layout = Logger.getRootLogger().getAppender("CONSOLE").getLayout();
         ByteArrayOutputStream os = new ByteArrayOutputStream();
-        WriterAppender appender = new WriterAppender(layout, os);
+        String loggingPattern = ((PatternLayout) Logger.getRootLogger().getAppender("CONSOLE").getLayout()).getConversionPattern();
+        WriterAppender appender = new WriterAppender(new PatternLayout(loggingPattern), os);
         appender.setThreshold(Level.INFO);
         Logger qlogger = Logger.getLogger(QuorumPeer.class);
         qlogger.addAppender(appender);