[ZOOKEEPER-2618] fix ClassNotFoundException on shutdown of client

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 3.4.9
• Component/s: java client
• Flags: Patch
• Assignee: wu wen
• Reporter: wu wen
• Created: 21/Oct/16 15:11
• Updated: 06/Dec/16 10:18
• Resolved: 26/Oct/16 02:24

Description

see ZOOKEEPER-1394,We also have this issue.

2016-10-21 13:17:21.618 ERROR localhost-startStop-1-SendThread(172.21.134.7:2005) ClientCnxn:414 - from localhost-startStop-1-SendThread(172.21.134.7:2005)
java.lang.NoClassDefFoundError: org/apache/zookeeper/server/ZooTrace
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1128)
Caused by: java.lang.ClassNotFoundException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.zookeeper.server.ZooTrace]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1315)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1178)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1139)
... 1 more
Caused by: java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.zookeeper.server.ZooTrace]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1325)
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1313)
... 3 more

Issue Links

• is duplicated by: ZOOKEEPER-1394 ClassNotFoundException on shutdown of client