This is a follow-up question from my previous question HERE. I was witnessing memory leaks in my Java application. Initially, I was thinking that the ...
In my work, we are running into a difficult to reproduce OOM issue. Or, more accurately, it is very easy to reproduce on one system, making that syste ...
My jmap command is sudo -u flume /usr/java/jdk1.8.0_60/bin/jmap -F -dump:format=b,file=heap.hprof pid, But eclips mat can't open the dump file,and thr ...
I’m using JBoss 7.1.3, JDK 1.6, and Mac 10.9.1. After a number of deploys/undeploys of my WAR file using the Maven Jboss AS plugin, my server dies wit ...
I am using JMAP to create a heap dump of JVM while executing a Java program. Then using JHAT I am opening the dump details in the browser. Now, I ca ...
I am trying to analyse a heap dump taken from a java process that ran into memory issues. The dump was taken using jmap. I am using jhat on the dump f ...
I have a java program which keeps calling java.util.zip to compress/decompress data. It runs out of memory within a few seconds. I had a memory dump w ...
What would be the best places to learn fixing a java memory leak ? I have been trying to find good resource over the NET but to my disappointment, I f ...
I am analyzing a heap dump using a jvisualvm. From the report I can see the classes, number of instances and the size occipied. What I wanted to know ...
So basically in our case the server goes down mysteriously and we often restart it and it starts to work fine. Till now we haven't been able to establ ...
How to do a conjunction [AND] in jhat OQL where clause? I want do this: That is- I want to find all X500Names containing appTrust in their canonic ...
I am interested in knowing why visualvm OQL has a problem with the following statement: Exception is: In contrast, visualvm OQL does not have a ...
Can anybody show an example of how to use heap.heapForEachClass in a select statement? It would be great if you could provide some links with differen ...
We got a memory error in our EA and we used -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/some/dir to dump the heap at the time of OOM. W ...
this is my first posted question. I have a fairly complicated OQL query which lists static fields of classes loaded in our packages. One problem I'm s ...
I have a Memory Dump file and JHAT gives the following message and I cannot analyze anything (as no data is displayed. Does this mean the hprof fi ...
In a nutshell I have a program that is gradually using more and more memory over time. I am using jmap and jhat to try and diagnose it but am still n ...
How much should be the initial size of the young generation? How much should be -XX:+NewRatio? -XX:+SurvivourRatio? What should be the ratio between p ...
I ran the jhat on the heap dump, it has generated the reports. How do i use the report to analyze the heap.I couldn't understand completely other than ...
I'm trying to use jhat/OQL to trace a memory leak in our Tomcat container. The question I want to ask is: "Show me all the instances (and sub-instanc ...