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Subject: ClassCastException when starting test server
From: Vadim Keylis <vkeylis2009@gmail.com>
To: user@curator.apache.org
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--047d7b675bf0a5380104f4e5c199
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Good morning. I just started using curator. I downloaded and compiled
latest version of curator and using zookeeper 3.4.5. I also use java 1.7.

I embedded single line of code into my java unit test
zkServer = new TestingServer(2181);

Test crashed with exception
java.lang.ClassCastException:
org.apache.zookeeper.server.NIOServerCnxn$Factory cannot be cast to
org.apache.zookeeper.server.ServerCnxnFactory
at
org.apache.curator.test.TestingZooKeeperMain.getServerConnectionFactory(TestingZooKeeperMain.java:138)
at
org.apache.curator.test.TestingZooKeeperMain.blockUntilStarted(TestingZooKeeperMain.java:83)
at
org.apache.curator.test.TestingZooKeeperServer.start(TestingZooKeeperServer.java:144)
at org.apache.curator.test.TestingServer.<init>(TestingServer.java:75)
at org.apache.curator.test.TestingServer.<init>(TestingServer.java:68)
at org.apache.curator.test.TestingServer.<init>(TestingServer.java:56)
at com.tagged.kafka.topic.TestTopicStream.setUp(TestTopicStream.java:47)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)


Any suggestion?

--047d7b675bf0a5380104f4e5c199
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Good morning. I just started using curator. I downloaded a=
nd compiled latest version of curator and using zookeeper 3.4.5. I also use=
 java 1.7.=A0<div><br></div><div>I embedded single line of code into my jav=
a unit test=A0</div>
<div>zkServer =3D new TestingServer(2181);</div><div><br></div><div>Test cr=
ashed with exception=A0</div><div><div>java.lang.ClassCastException: org.ap=
ache.zookeeper.server.NIOServerCnxn$Factory cannot be cast to org.apache.zo=
okeeper.server.ServerCnxnFactory</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.curat=
or.test.TestingZooKeeperMain.getServerConnectionFactory(TestingZooKeeperMai=
n.java:138)</div><div><span class=3D"" style=3D"white-space:pre">	</span>at=
 org.apache.curator.test.TestingZooKeeperMain.blockUntilStarted(TestingZooK=
eeperMain.java:83)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.curat=
or.test.TestingZooKeeperServer.start(TestingZooKeeperServer.java:144)</div>=
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.curat=
or.test.TestingServer.&lt;init&gt;(TestingServer.java:75)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.apache.curat=
or.test.TestingServer.&lt;init&gt;(TestingServer.java:68)</div><div><span c=
lass=3D"" style=3D"white-space:pre">	</span>at org.apache.curator.test.Test=
ingServer.&lt;init&gt;(TestingServer.java:56)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at com.tagged.kafka=
.topic.TestTopicStream.setUp(TestTopicStream.java:47)</div><div><span class=
=3D"" style=3D"white-space:pre">	</span>at sun.reflect.NativeMethodAccessor=
Impl.invoke0(Native Method)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at sun.reflect.Nati=
veMethodAccessorImpl.invoke(Unknown Source)</div><div><span class=3D"" styl=
e=3D"white-space:pre">	</span>at sun.reflect.DelegatingMethodAccessorImpl.i=
nvoke(Unknown Source)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at java.lang.reflec=
t.Method.invoke(Unknown Source)</div><div><span class=3D"" style=3D"white-s=
pace:pre">	</span>at org.junit.runners.model.FrameworkMethod$1.runReflectiv=
eCall(FrameworkMethod.java:45)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.intern=
al.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)</div><d=
iv><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runners.=
model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.intern=
al.runners.statements.RunBefores.evaluate(RunBefores.java:27)</div><div><sp=
an class=3D"" style=3D"white-space:pre">	</span>at org.junit.internal.runne=
rs.statements.RunAfters.evaluate(RunAfters.java:30)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runner=
s.ParentRunner.runLeaf(ParentRunner.java:263)</div><div><span class=3D"" st=
yle=3D"white-space:pre">	</span>at org.junit.runners.BlockJUnit4ClassRunner=
.runChild(BlockJUnit4ClassRunner.java:68)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runner=
s.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)</div><div=
><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runners.Pa=
rentRunner$3.run(ParentRunner.java:231)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runner=
s.ParentRunner$1.schedule(ParentRunner.java:60)</div><div><span class=3D"" =
style=3D"white-space:pre">	</span>at org.junit.runners.ParentRunner.runChil=
dren(ParentRunner.java:229)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runner=
s.ParentRunner.access$000(ParentRunner.java:50)</div><div><span class=3D"" =
style=3D"white-space:pre">	</span>at org.junit.runners.ParentRunner$2.evalu=
ate(ParentRunner.java:222)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.junit.runner=
s.ParentRunner.run(ParentRunner.java:300)</div><div><span class=3D"" style=
=3D"white-space:pre">	</span>at org.eclipse.jdt.internal.junit4.runner.JUni=
t4TestReference.run(JUnit4TestReference.java:50)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.eclipse.jdt.=
internal.junit.runner.TestExecution.run(TestExecution.java:38)</div><div><s=
pan class=3D"" style=3D"white-space:pre">	</span>at org.eclipse.jdt.interna=
l.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)</div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.eclipse.jdt.=
internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)<=
/div><div><span class=3D"" style=3D"white-space:pre">	</span>at org.eclipse=
.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)<=
/div>
<div><span class=3D"" style=3D"white-space:pre">	</span>at org.eclipse.jdt.=
internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)</div=
><div><br></div></div><div><br></div><div>Any suggestion?</div></div>

--047d7b675bf0a5380104f4e5c199--