I'am using Zookeeper client API in java web application.When I shut down
tomcat,I am getting this error :
2013-06-07 12:01:29,676 ERROR [org.apache.zookeeper.ClientCnxn]
(xxx-startStop-1-SendThread(xxx.net:12183)) from
xxx-startStop-1-SendThread(xxx.net:12183)
java.lang.NoClassDefFoundError: org/apache/zookeeper/server/ZooTrace
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115)
Caused by: java.lang.ClassNotFoundException:
org.apache.zookeeper.server.ZooTrace
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
... 1 more
at the same time,the following is also in catalina.out:
INFO: Illegal access: this web application instance has been stopped already.
Could not load org.apache.zookeeper.server.ZooTrace. The eventual following
stack trace is caused by an error thrown for debugging purposes as well as to
attempt to terminate the thread which caused the illegal access, and has no
functional impact.
java.lang.IllegalStateException
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1597)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1115)
I searched google and mail list ,couldn't find any solution,please help me.
Enviroment info:
JDK:1.6.0_45
Tomcat:7.0.40
Zookeeper:3.4.5
Thanks,
Bob
