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Java Forum / General / November 2007thread leak
Sir/madam What is thread leak? How can I trace where the application has thread leak? Do you know how to enable connectionLeak in JVM level for JDBC connection? THanks > Sir/madam > > What is thread leak? Thread leak is when application does not close threads properly. Threads do not exit and the number of unused threads grow with time. > How can I trace where the application has thread leak? If you have thread leak then with time you'll get lots of unused threads. Try to find out what kind of threads is leaking out (give descriptive names, log entry/exit to/from run(), whatever). When you find the class that is leaking out threads check how new threads are instantiated and how they're closed. Is it quaranteed that the thread will close properly regardless of what happens? No, it's not, otherwise you wouldn't have leaks. Regards, Leonard  SignatureIt is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence. -- William Kingdon Clifford On Tue, 30 Oct 2007 14:06:33 +0100, Leonard Milcin <leonard@wytnij.milcin.pl> wrote, quoted or indirectly quoted someone who said : >Thread leak is when application does not close threads properly. A leak implies a bug in the memory management system. When you don't close a thread, there is no problem with memory management. It is just you are not going to use it again. You potentially could, so it is not a bug in the sense of memory leaks with C++. I use the term "packratting" for holding onto something you did not really need to. It can cause just as much trouble as a leak. SignatureRoedy Green Canadian Mind Products The Java Glossary http://mindprod.com On Tue, 30 Oct 2007 03:30:28 GMT, "timothy ma and constance lee" <timcons1@shaw.ca> wrote, quoted or indirectly quoted someone who said >What is thread leak? see http://mindprod.com/jgloss/leak.html http://mindprod.com/jgloss/packratting.html SignatureRoedy Green Canadian Mind Products The Java Glossary http://mindprod.com Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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