Github user jvz commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/148#discussion_r96145357 --- Diff: src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java --- @@ -413,13 +418,18 @@ public void testBadPeerAddressInQuorum() throws Exception { ClientBase.setupTestEnv(); // setup the logger to capture all logs + LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false); --- End diff -- If this test is just storing log messages for verification at the end of the test, then I recommend using log4j-core:test's `LoggerContextRule` and `ListAppender`. Example: [LoggerTest](https://github.com/apache/logging-log4j2/blob/master/log4j-core/src/test/java/org/apache/logging/log4j/core/LoggerTest.java), [config.xml](https://github.com/apache/logging-log4j2/blob/master/log4j-core/src/test/resources/log4j-test2.xml) (see the `<List name="foo"/>` appender configs). This way, the test won't break if internal details of log4j-core change.
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