For what it's worth, I only get ZK test failures about 95% of the time, and
just overall weirdness with ZK the remaining 5%.  Of the 95%, it's with ZK
balancing.  BTW, this is on OSX 10.6.

[info] == core-kafka / kafka.zk.ZKLoadBalanceTest ==
[info] Test Starting: testLoadBalance(kafka.zk.ZKLoadBalanceTest)
log4j:WARN No appenders could be found for logger
(org.apache.zookeeper.server.ZooKeeperServer).
log4j:WARN Please initialize the log4j system properly.
[error] Test Failed: testLoadBalance(kafka.zk.ZKLoadBalanceTest)
junit.framework.AssertionFailedError: expected:<5> but was:<2>
    at junit.framework.Assert.fail(Assert.java:47)
    at junit.framework.Assert.failNotEquals(Assert.java:277)
    at junit.framework.Assert.assertEquals(Assert.java:64)
    at junit.framework.Assert.assertEquals(Assert.java:195)
    at junit.framework.Assert.assertEquals(Assert.java:201)
    at kafka.zk.ZKLoadBalanceTest.checkSetEqual(ZKLoadBalanceTest.scala:121)
    at
kafka.zk.ZKLoadBalanceTest.testLoadBalance(ZKLoadBalanceTest.scala:89)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at junit.framework.TestCase.runTest(TestCase.java:164)
    at junit.framework.TestCase.runBare(TestCase.java:130)
    at junit.framework.TestResult$1.protect(TestResult.java:110)
    at junit.framework.TestResult.runProtected(TestResult.java:128)
    at junit.framework.TestResult.run(TestResult.java:113)
    at junit.framework.TestCase.run(TestCase.java:120)
    at junit.framework.TestSuite.runTest(TestSuite.java:228)
    at junit.framework.TestSuite.run(TestSuite.java:223)
    at junit.framework.TestSuite.runTest(TestSuite.java:228)
    at junit.framework.TestSuite.run(TestSuite.java:223)
    at org.scalatest.junit.JUnit3Suite.run(JUnit3Suite.scala:309)
    at
org.scalatest.tools.ScalaTestFramework$ScalaTestRunner.run(ScalaTestFramework.scala:40)
    at sbt.TestRunner.run(TestFramework.scala:53)
    at sbt.TestRunner.runTest$1(TestFramework.scala:67)
    at sbt.TestRunner.run(TestFramework.scala:76)
    at
sbt.TestFramework$$anonfun$10$$anonfun$apply$11.runTest$2(TestFramework.scala:194)
    at
sbt.TestFramework$$anonfun$10$$anonfun$apply$11$$anonfun$apply$12.apply(TestFramework.scala:205)
    at
sbt.TestFramework$$anonfun$10$$anonfun$apply$11$$anonfun$apply$12.apply(TestFramework.scala:205)
    at sbt.NamedTestTask.run(TestFramework.scala:92)
    at
sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask$1.apply(ScalaProject.scala:193)
    at
sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask$1.apply(ScalaProject.scala:193)
    at sbt.TaskManager$Task.invoke(TaskManager.scala:62)
    at sbt.impl.RunTask.doRun$1(RunTask.scala:77)
    at sbt.impl.RunTask.runTask(RunTask.scala:85)
    at sbt.impl.RunTask.sbt$impl$RunTask$$runIfNotRoot(RunTask.scala:60)
    at
sbt.impl.RunTask$$anonfun$runTasksExceptRoot$2.apply(RunTask.scala:48)
    at
sbt.impl.RunTask$$anonfun$runTasksExceptRoot$2.apply(RunTask.scala:48)
    at sbt.Distributor$Run$Worker$$anonfun$2.apply(ParallelRunner.scala:131)
    at sbt.Distributor$Run$Worker$$anonfun$2.apply(ParallelRunner.scala:131)
    at sbt.Control$.trapUnit(Control.scala:19)
    at sbt.Distributor$Run$Worker.run(ParallelRunner.scala:131)
[info] == core-kafka / kafka.zk.ZKLoadBalanceTest ==


On Wed, Nov 30, 2011 at 12:12 AM, Joe Stein <crypt...@gmail.com> wrote:

> that was from running
>
> ./sbt test
>
> btw
>
> On Tue, Nov 29, 2011 at 11:52 PM, Joe Stein <crypt...@gmail.com> wrote:
>
> > [success] Build completed successfully.
> > [root@ip-10-116-225-87 kafka]# uname -r
> > 2.6.21.7-2.fc8xen
> >
> > works alright, np
> >
> > On Tue, Nov 29, 2011 at 10:40 PM, Joe Stein <crypt...@gmail.com> wrote:
> >
> >> I have had issues on similar OS I want to blame sbt version but have had
> >> issue applying the patch for 0.10 ( I forget the JIRA) glad it is not
> just
> >> me I will circle my wagons and follow up.
> >>
> >> /*
> >> Joe Stein
> >> http://www.medialets.com
> >> Twitter: @allthingshadoop
> >> */
> >>
> >> On Nov 29, 2011, at 10:29 PM, Neha Narkhede <neha.narkh...@gmail.com>
> >> wrote:
> >>
> >> >>> My team is beginning to work on some core features within Kafka as
> you
> >> > know and this gets in our way for implementation.
> >> >
> >> > Good to hear. We agree that this is high priority, and would
> appreciate
> >> a
> >> > patch if you've been able to reproduce certain errors.
> >> >
> >> > Thanks,
> >> > Neha
> >> >
> >> > On Tue, Nov 29, 2011 at 7:15 PM, Taylor Gautier <tgaut...@tagged.com>
> >> wrote:
> >> >
> >> >> Just one?  :-)
> >> >>
> >> >> Ok - not fair I know - but I have all kinds of weird behavior with
> the
> >> >> zookeeper tests.
> >> >>
> >> >> This makes it hard to develop because it's really difficult to
> >> >> distinguish the signal from the noise.
> >> >>
> >> >> It's really important that tests pass reliably.  What's the status of
> >> >> your issue and the zookeeper ones?
> >> >>
> >> >> My team is beginning to work on some core features within Kafka as
> you
> >> >> know and this gets in our way for implementation.
> >> >>
> >> >> I think it should be a high priority to eliminate these issues.
> >> >>
> >> >> On Nov 29, 2011, at 3:23 PM, Neha Narkhede <neha.narkh...@gmail.com>
> >> >> wrote:
> >> >>
> >> >>> Hi,
> >> >>>
> >> >>> I moved to linux and one unit test consistently fails -
> >> >>>
> >> >>> [error] Test Failed: testCleanupExpiredSegments
> >> >>> junit.framework.AssertionFailedError: Now there should only be only
> >> one
> >> >>> segment. expected:<1> but was:<12>
> >> >>>   at junit.framework.Assert.fail(Assert.java:47)
> >> >>>   at junit.framework.Assert.failNotEquals(Assert.java:277)
> >> >>>   at junit.framework.Assert.assertEquals(Assert.java:64)
> >> >>>   at junit.framework.Assert.assertEquals(Assert.java:195)
> >> >>>   at
> >> >>>
> >> >>
> >>
> kafka.log.LogManagerTest.testCleanupExpiredSegments(LogManagerTest.scala:87)
> >> >>>   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >> >>>   at java.lang.reflect.Method.invoke(Method.java:597)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
> >> >>>   at
> >> >>>
> >>
> org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:71)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
> >> >>>   at
> >> >>>
> >> org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
> >> >>>   at
> >> >>>
> >> org.junit.internal.runners.CompositeRunner.run(CompositeRunner.java:29)
> >> >>>   at org.junit.runner.JUnitCore.run(JUnitCore.java:121)
> >> >>>   at org.junit.runner.JUnitCore.run(JUnitCore.java:100)
> >> >>>   at org.junit.runner.JUnitCore.run(JUnitCore.java:91)
> >> >>>   at org.scalatest.junit.JUnitSuite$class.run(JUnitSuite.scala:261)
> >> >>>   at kafka.log.LogManagerTest.run(LogManagerTest.scala:28)
> >> >>>   at
> >> >>>
> >> >>
> >>
> org.scalatest.tools.ScalaTestFramework$ScalaTestRunner.run(ScalaTestFramework.scala:40)
> >> >>>   at sbt.TestRunner.run(TestFramework.scala:53)
> >> >>>   at sbt.TestRunner.runTest$1(TestFramework.scala:67)
> >> >>>   at sbt.TestRunner.run(TestFramework.scala:76)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sbt.TestFramework$$anonfun$10$$anonfun$apply$11.runTest$2(TestFramework.scala:194)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sbt.TestFramework$$anonfun$10$$anonfun$apply$11$$anonfun$apply$12.apply(TestFramework.scala:205)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sbt.TestFramework$$anonfun$10$$anonfun$apply$11$$anonfun$apply$12.apply(TestFramework.scala:205)
> >> >>>   at sbt.NamedTestTask.run(TestFramework.scala:92)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask$1.apply(ScalaProject.scala:193)
> >> >>>   at
> >> >>>
> >> >>
> >>
> sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask$1.apply(ScalaProject.scala:193)
> >> >>>   at sbt.TaskManager$Task.invoke(TaskManager.scala:62)
> >> >>>   at sbt.impl.RunTask.doRun$1(RunTask.scala:77)
> >> >>>   at sbt.impl.RunTask.runTask(RunTask.scala:85)
> >> >>>   at
> sbt.impl.RunTask.sbt$impl$RunTask$$runIfNotRoot(RunTask.scala:60)
> >> >>>   at
> >> >>>
> sbt.impl.RunTask$$anonfun$runTasksExceptRoot$2.apply(RunTask.scala:48)
> >> >>>   at
> >> >>>
> sbt.impl.RunTask$$anonfun$runTasksExceptRoot$2.apply(RunTask.scala:48)
> >> >>>   at
> >> >> sbt.Distributor$Run$Worker$$anonfun$2.apply(ParallelRunner.scala:131)
> >> >>>   at
> >> >> sbt.Distributor$Run$Worker$$anonfun$2.apply(ParallelRunner.scala:131)
> >> >>>   at sbt.Control$.trapUnit(Control.scala:19)
> >> >>>   at sbt.Distributor$Run$Worker.run(ParallelRunner.scala:131)
> >> >>>
> >> >>> Wanted to check if others run into this as well ?
> >> >>>
> >> >>> Thanks,
> >> >>> Neha
> >> >>
> >>
> >
> >
> >
> > --
> >
> > /*
> > Joe Stein
> > http://www.linkedin.com/in/charmalloc
> > Twitter: @allthingshadoop <http://www.twitter.com/allthingshadoop>
> > */
> >
>
>
>
> --
>
> /*
> Joe Stein
> http://www.linkedin.com/in/charmalloc
> Twitter: @allthingshadoop <http://www.twitter.com/allthingshadoop>
> */
>

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