I'm trying to connect visualvm to my java app which is built run using jetty and gradle. The app is running on localhost, so remote connections aren't required. However, whenever I try to connect t...

I would like to profile an application that runs on Tomcat with the VisualVM tool. Unfortunately, when I tell VisualVM to profile Tomcat, Tomcat prints out a couple of messages indicating it is con...

I am using Java VisualVM on my local windows machine to monitor my remote server(Linux). I am able to get all stats in Bisual VM except "Visual GC". It shows "Not Supported for this JVM". I have go...

I've created a simple 1 file java application that iterates through a loop, calls some functions, allocates some memory, adds some numbers, etc. I run that application via eclipse's Run As->Java...

I am trying to profile a simple algorithm: "Insertion Sort". The code takes the number of elements to sort and then randomly creates those many elements after which the sorting starts. I am using ...

I'm using VisualVM to profile a Scala program that has been compiled with the default of -g:vars, which includes line numbers (verified with javap that the class files have line numbers). However, ...

I have a 1 GB heap dump from a java process that ran out of heap space. I have uploaded the heap into jvisualm that comes with a java6 distribution. I started the "compute retained sizes" process a...

I'm trying to connect jvisualvm installed with jdk1.7.0_04 to a locally running java process. When I do this, jvisualvm shows a progress bar in the bottom left saying its connecting to the process,...

I am trying to get visualvm and websphere 7 to work together on my local windows desktop. I try to connect through JMX but no luck. Has anybody managed to get visialvm and websphere 7 to work and o...

Sorry for this question which must have been asked many times, but I can't succeed in resolving my problem. I've read a lot of blogs, sites, forums, .... and didn't find any solution in my case. C...

I'd like to use visualvm app through an ssh tunnel (to an EC2 machine) using jmx OR jstatd. How do I do this? Here is a list of what has been tried (and failed): (BTW: if visual vm is not appropria...

I have recently reinstalled Windows and I am using JDK 1.8 u91 with the built-in VisualVM. I have checked my proxy settings to ensure that they are all off, both in Windows proxy settings and withi...

I installed Oracle JDK from the webupd8team/java PPA, and then installed the visualvm package. When starting visualvm, I get the following error message: [beni:~]$ visualvm No jdkhome found My $...

I'm currently performance hunting. In order to measure the throughput, and to enforce that we don't regress, I'm using the wonderful JMH. When I come across something that is slow though, I want t...

I have .hprof heap dump generated from JVM OutOfMemory (JDK 1.5 version). When I try to add this file in VisualVM, it tells me file is not a valid core dump. However from I'm able to run jhat fo...

Can someone please explain me the difference between Sleeping, Wait, Park, and Monitor thread states in VisualVM. This is what I have found: Running: thread is still running. Sleeping: thread ...

Is there any setting that I could configure to enable jvisualvm to display memory and other numbers in human readable format, i.e. in MBs instead of in Bytes, etc. I did investigate but couldn't f...

I have my OSGi application launching with the following command in my remote machine: java -Dcom.sun.management.jmxremote \ -Dcom.sun.management.jmxremote.port=8080 \ -Dcom.sun.management.jmxrem...

I created a heap dump file with hprof using this command: java -agentlib:hprof -cp "..\..\jars\trove.jar;.\bin" com.mysite.MyApp This successfully created the file "java.hprof.txt" which was abo...

I was wondering if there is a Python equivalent of Java's VisualVM. The feature that I need is real-time profiling of a running Python interpreter. A bit of background: a recent change to my code...

Am trying to profile a remote tomcat appln which is my staging env. But I am unable to get the profiler tab. Tried googling but I couldnt find the exact issue here. Both my remote and local jdk ve...

I am trying to CPU profile a JavaFX 8 application with VisualVM (Java 8). While CPU sampling works fine, when starting CPU profiling, the application just hangs and VisualVM reports as status "prof...

Question Why does VisualVM terminate my program when attempting to view object allocation stack trace, and how do I fix it? I'm cleaning up an application which has a few memory problems, the b...

Using VisaulVM, I'd like to obtain this as data, without image processing algorithms being applied... How can I do that? I think this won't come out of a snapshot. I am not sure how VisualVM and...

I am attempting to debug a permgen error in an application. I am running VisualVM to profile the app and have taken a heapdump of the memory snapshot. Loading the snapshot into VisualVM for analy...