2012/1/30, Caldarale, Charles R <chuck.caldar...@unisys.com>: >> From: David kerber [mailto:dcker...@verizon.net] >> Subject: Re: Java.lang.out.of.memory not clearly.... > >> Java can have memory leaks just as easily as C can > > Not really; leaks in C are much easier to create. > >> if the app is standalone, it will release them when the app >> closes and the JRE shuts down. > > That's true for C and any other language as well. > >> if the app is running under tomcat, the JRE never shuts down >> since tomcat is using it. That means the JRE can not free up >> memory that your app has left allocated, as it would be able >> to in a standalone app. > > Although that's true, it's not really relevant. Memory leaks in Java occur > when some program logic hangs onto references it no longer needs (e.g., in a > static HashMap). These objects won't be discarded by the garbage collector > since they are reachable - the program logic failed to remove them from the > structure when it was done with them. Restarting the webapp will release > these objects. > > The more subtle leaks that occur when reloading a webapp are typically due > to references to the webapp's classes or classloader being held by some > component outside of the webapp, such as a shared logger. Those are the > ones that require restart of Tomcat. > > Regardless, we still have no real evidence of what's going on at Luciano's > site. > > - Chuck > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > MATERIAL and is thus for use only by the intended recipient. If you received > this in error, please contact the sender and delete the e-mail and its > attachments from all computers. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
I am the maintainer of the Server nothing more. But you are helping me cause, now i have a response, and a prove that i am not the only that think this system can have a memory leak. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
