zookeeper NIOServerCnxn$Factory error

[Sa Li <sa...@gmail.com>]

Dear all, I am having the error of " java.lang.ClassNotFoundException:
org.apache.zookeeper.server.NIOServerCnxn$Factory at java.net", really have
no idea how to fix it except downgrade zookeeper, anyone have similar
problem, thanks. The error messages list below:

ExceptionInInitializerError at java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:249) at clojure.lang.RT.
loadClassForName(RT.java:2056) at clojure.lang.RT.load(RT.java:419) at
clojure.lang.RT.load(RT.java:400) at clojure.core$load$fn__4890.
invoke(core.clj:5415) at clojure.core$load.doInvoke( core.clj:5414) at
clojure.lang.RestFn.invoke(Res tFn.java:408) at
clojure.core$load_one.invoke( core.clj:5227) at clojure.core$load_lib.
doInvoke(core.clj:5264) at clojure.lang.RestFn.applyTo(Re stFn.java:142) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$load_libs.
doInvoke(core.clj:5302) at clojure.lang.RestFn.applyTo(Re stFn.java:137) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$require.doInvoke(
core.clj:5381) at clojure.lang.RestFn.invoke(Res tFn.java:408) at
backtype.storm.cluster$ loading__4784__auto__.invoke(cluster.clj:1) at
backtype.storm.cluster__init. load(Unknown Source) at
backtype.storm.cluster__init.<clinit> (Unknown Source) at
java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:249) at clojure.lang.RT.
loadClassForName(RT.java:2056) at clojure.lang.RT.load(RT.java:419) at
clojure.lang.RT.load(RT.java:400) at clojure.core$load$fn__4890.
invoke(core.clj:5415) at clojure.core$load.doInvoke( core.clj:5414) at
clojure.lang.RestFn.invoke(Res tFn.java:408) at
clojure.core$load_one.invoke( core.clj:5227) at clojure.core$load_lib.
doInvoke(core.clj:5264) at clojure.lang.RestFn.applyTo(Re stFn.java:142) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$load_libs.
doInvoke(core.clj:5302) at clojure.lang.RestFn.applyTo(Re stFn.java:137) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$require.doInvoke(
core.clj:5381) at clojure.lang.RestFn.invoke(Res tFn.java:408) at
backtype.storm.daemon.nimbus__ init.load(Unknown Source) at
backtype.storm.daemon.nimbus__init. <clinit>(Unknown Source) at
java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:249) at clojure.lang.RT.
loadClassForName(RT.java:2056) at clojure.lang.RT.load(RT.java:419) at
clojure.lang.RT.load(RT.java:400) at clojure.core$load$fn__4890.
invoke(core.clj:5415) at clojure.core$load.doInvoke( core.clj:5414) at
clojure.lang.RestFn.invoke(Res tFn.java:408) at
clojure.core$load_one.invoke( core.clj:5227) at clojure.core$load_lib.
doInvoke(core.clj:5264) at clojure.lang.RestFn.applyTo(Re stFn.java:142) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$load_libs.
doInvoke(core.clj:5302) at clojure.lang.RestFn.applyTo(Re stFn.java:137) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$require.doInvoke(
core.clj:5381) at clojure.lang.RestFn.invoke(Res tFn.java:408) at
backtype.storm.testing$ loading__4784__auto__.invoke(testing.clj:1) at
backtype.storm.testing__init. load(Unknown Source) at
backtype.storm.testing__init.<clinit> (Unknown Source) at
java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:249) at clojure.lang.RT.
loadClassForName(RT.java:2056) at clojure.lang.RT.load(RT.java:419) at
clojure.lang.RT.load(RT.java:400) at clojure.core$load$fn__4890.
invoke(core.clj:5415) at clojure.core$load.doInvoke( core.clj:5414) at
clojure.lang.RestFn.invoke(Res tFn.java:408) at
clojure.core$load_one.invoke( core.clj:5227) at clojure.core$load_lib.
doInvoke(core.clj:5264) at clojure.lang.RestFn.applyTo(Re stFn.java:142) at
clojure.core$apply.invoke(core.clj:603) at clojure.core$load_libs.
doInvoke(core.clj:5302) at clojure.lang.RestFn.applyTo(Re stFn.java:137) at
clojure.core$apply.invoke(core.clj:605) at
clojure.core$use.doInvoke(core.clj:5392) at clojure.lang.RestFn.invoke(Res
tFn.java:408) at backtype.storm.LocalCluster$
loading__4784__auto__.invoke(LocalCluster.clj:1) at
backtype.storm.LocalCluster__ init.load(Unknown Source) at
backtype.storm.LocalCluster__init. <clinit>(Unknown Source) at
java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:249) at clojure.lang.RT.
loadClassForName(RT.java:2056) at clojure.lang.RT.load(RT.java:419) at
clojure.lang.RT.load(RT.java:400) at clojure.core$load$fn__4890.
invoke(core.clj:5415) at clojure.core$load.doInvoke( core.clj:5414) at
clojure.lang.RestFn.invoke(Res tFn.java:408) at
clojure.lang.Var.invoke(Var.java:415) at
backtype.storm.LocalCluster.<clinit> (Unknown Source) at
storm.ingestTopology.main(inge stTopology.java:126) Caused by:
java.lang.ClassNotFoundException:
org.apache.zookeeper.server.NIOServerCnxn$Factory at
java.net.URLClassLoader$1.run( URLClassLoader.java:202) at java.security.
AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.
findClass(URLClassLoader.java:190) at java.lang.ClassLoader.
loadClass(ClassLoader.java:306) at sun.misc.Launcher$
AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.
loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:171) at backtype.storm.zookeeper$
loading__4784__auto__.invoke(zookeeper.clj:1) at backtype.storm.zookeeper__
init.load(Unknown Source) at backtype.storm.zookeeper__init.<clinit>
(Unknown Source) ... 90 more