Have you used MAT(Memory Analyzer Tool) from eclipse. it's really cool.(1.5G heap dump file kill jhat, ibm's heap dump analyzer with OOME). MAT is alive and fast and beautiful and powerful. I wond...

I have a dump which I opened with Eclipse Memory Analyzer. I would like to export some contents of the heap into a file. One of the fields I'm interested in is an ArrayList and I could not find a...

I am using VisualVM to analyze a core dump. I suspect some XML objects to be causing the leak but there are way too many String objects to go through one by one. Can I use OQL to search String th...

how do I find size of object in heap including all the objects it references from its fields? In the Classes view under heap dump, the size only indicates the "shallow" size of object. I would lik...

Please help me. I analyse my heap dump in VisualVM. How can I get amount of all Strings with value == "0"? I have the following query: select count(s) from java.lang.String s where s.toString().e...

I have a memory dump file which has nearly 5000 instances of a particular object. These objects are to be written into a DB, and the way i am doing this is to write an OQL query in jvisualvm to gen...

Getting this weird error: javax.script.ScriptException: sun.org.mozilla.javascript.internal.EcmaError: TypeError: size is not a function, it is null. (#1) While analyzing a heap dump and running ...

I have a heap dump and I'm using Eclipse MAT, though I suppose this should work through visualvm or whatever OQL client. We can select fields of all instances of a class by doing something like s...

how can I count objects in Eclipse MAT using OQL syntax? This doesn't work : SELECT count(a) FROM org.hibernate.engine.EntityEntry a WHERE (toString(a.entityName)="my.pojo") (I want to count t...