Good afternoon,
May I know which version of struts1 without memory leak problem?
I use struts1.3.10 and tomcat5.5.23. I stop my web application and did
(1) find tomcat pid = 11718
(2) jmap to review not released classes
jmap -histo 11718 | grep webapp
Attaching to process ID 11718, please wait...
Debugger attached successfully.
Client compiler detected.
JVM version is 1.5.0_08-b03
Iterating over heap. This may take a while...
Unknown oop at 0x880a3928
Oop's klass is null
Unknown oop at 0x880a6168
Oop's klass is null
56 1 webapp.SearchActionForm
40 1 webapp.LocalUserBean
32 1 webapp.ProcessLoginAction
24 1 webapp.HelpActionForm
16 1 webapp.ProcessLogin
16 1 webapp.filter.AuthenticatedFilter
16 1 webapp.filter.ReadWriteFullControlFilter
8 1 webapp.AuthenticationLists
Still see not-released webapp classes even actionForm & actionClasses
are shown. May I know why these classes are not auto-released after
webapp has been stopped from tomcat server?
Have read:
http://blogs.sun.com/fkieviet/entry/classloader_leaks_the_dreaded_java
http://www.samaxes.com/2007/10/classloader-leaks-and-permgen-space/
I checked my actionForm & class to avoid it but why still got not
released classes? Do need some explanation, Please!
Thanks a lot!
--
Lu Ying
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