List some common causes of memory leak in application restart. - http://www.patrickpeak.com/comments/patrick/Weblog/your_web_app_is_leaking#comments  http://blog.dynatrace.com/2011/04/20/the-top-java-memory-problems-part-1/

Incorrect use of threadlocal - http://www.szegedi.org/articles/memleak.html

Memory leak if load JDBC class incorrectly - http://www.szegedi.org/articles/memleak2.html

Serialization and ResourceBundle issue from core library (fixed) - http://www.szegedi.org/articles/memleak3.html

PermHeap bloat in and only in server VM - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4957990

String.subString() still held a big big char[] - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4513622

One pitfall of URLClassLoader, it cause leak from classloader, which is not obvious from the code - http://www.zeroturnaround.com/blog/rjc201/

Steps of finding out a memory leak by native code - http://web.archiveorange.com/archive/v/Dp7Rf33tij5BFBNRpVja#YnJRjM4IVyt54TV

Interesting Garbage Collection Patterns - https://blog.gceasy.io/2021/10/15/interesting-garbage-collection-patterns/