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https://issues.apache.org/jira/browse/ZOOKEEPER-2381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Akihiro Suda resolved ZOOKEEPER-2381.
-------------------------------------
Resolution: Duplicate
> ReconfigTest.testPortChange has been failing intermittently
> -----------------------------------------------------------
>
> Key: ZOOKEEPER-2381
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2381
> Project: ZooKeeper
> Issue Type: Test
> Components: server, tests
> Reporter: Akihiro Suda
>
> ReconfigTest.testPortChange has been failing intermittently:
> - Feb 12, 2016: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/3045/
> - Feb 16, 2015:
> http://permalink.gmane.org/gmane.comp.java.zookeeper.devel/25521
> I can also locally reproduce with 40d0804c (Mar 3, 2016).
> The error message looks like as if it is a linearizability violation for
> sync+read operation, but I'm still not sure.
> stack trace:
> {code}
> junit.framework.AssertionFailedError: expected:<test[1]> but was:<test[0]>
> at
> org.apache.zookeeper.test.ReconfigTest.testNormalOperation(ReconfigTest.java:150)
> at
> org.apache.zookeeper.test.ReconfigTest.testPortChange(ReconfigTest.java:598)
> at
> org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:79)
> {code}
> test code:
> https://github.com/apache/zookeeper/blob/2cc945442e218d0757983ac42e2a5d86a94ccb30/src/java/test/org/apache/zookeeper/test/ReconfigTest.java#L150
> {code:java}
> for (int j = 0; j < 30; j++) {
> try {
> ..
> String data = "test" + j;
> writer.setData("/test", data.getBytes(), -1);
> reader.sync("/", null, null);
> byte[] res = reader.getData("/test", null, new Stat());
> Assert.assertEquals(data, new String(res));
> break;
> } catch (KeeperException.ConnectionLossException e) {
> if (j < 29) {
> Thread.sleep(1000);
> } else {
> // test fails if we still can't connect to the quorum after
> // 30 seconds.
> Assert.fail("client could not connect to reestablished quorum:
> giving up after 30+ seconds.");
> }
> }
> }
> {code}
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