jvisualvm Questions
1
An internal error occurred during: "Launching ModificationToolkit".
java.lang.NullPointerException
at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:101)
at org.ecli...
4
I'm trying to profile a Servlet running in Apache Tomcat (7.0.34) as a service on Windows 7 (64 bit) using JVisualVM (JDK 1.7.0 - 06, 64 bit) running locally.
Initially I had the problem of Tomcat...
1
Solved
I've been looking for a comparable approach as posted here for Windows Server 2003 for starting jvisualvm under system account. But I got the error:
...\jdk1.6.0_24\bin\jvisualvm.exe exited on ....
Armoire asked 18/1, 2012 at 15:32
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I am trying to monitor remote tomcat process with JVisualVM in Red Hat Linux. CPU sampling works fine but Memory sampling tab is disabled. It says "Memory sampling: Not available. Remote applicatio...
Necrotomy asked 14/9, 2011 at 14:25
2
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I have launched a java application with the following arguments :
java
-server
-Dcom.sun.management.jmxremote.port=6789
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmx...
2
I am facing a situation where I do not see some method calls not being recorded by the VisualVM application. Wanted to find out the reason and came across this answer on SO. The third point mention...
0
I have a JRubyOnRails application running in Tomcat. After browsing to my application (localhost), logging in and then doing nothing, the Heap space seems to be growing continuously...
Is that nor...
Heikeheil asked 26/6, 2013 at 13:37
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I tried to fix a problem with jvisualvm not detecting local java applications as explained at
Why won't the VisualVM Profiler profile my application?
Unfortunately I could not find where the t...
Grube asked 23/5, 2013 at 15:20
2
Solved
JProfiler offers a live call-tree view so you can see what's using CPU in real-time and drill down for the details. Reset the counts to zero at any time, rinse, repeat.
I'm currently without that ...
2
Solved
I'm trying to set up JVisualVm to monitor a Tomcat 6 instance (running on Ubuntu Server 10.04 LTS). I've seen other questions, but none of them directly answer my problem. I try to connect to Tomca...
1
Solved
I can attach to the surefire process, but trying to profile it shows for sampling:
CPU sampling:
Not available. Failed to create JMX connection to target application. Use 'Add JMX Connection' acti...
1
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I would like to profile my webapp with JVisualVM on JBoss 7.
So I launch that tool, and open the JVM running JBoss.
I click on "Profiler", "Settings" and in "CPU settings" I put that :
"Start p...
Kayleen asked 31/1, 2013 at 9:44
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I developed couple of plugins specific for my project and I think I have some leackage because my eclipse slow down after long using time, so I want to profile it. I can run eclipse from eclipse (i...
1
I am profiling a web application with jvisualvm. I can see how long various methods takes for example methodA takes 5 seconds... However, I can't see to double click this method to see where the 5 ...
Whitewash asked 28/5, 2012 at 9:24
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When I run the below mentioned code using NetBeans, the allocated heap size graph resembles a sawtooth shape. I am attaching the screen capture from JVisualVM which shows the heap allocation graph ...
Misconstruction asked 28/8, 2011 at 7:10
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VisualVM has two separate tabs for sampling and profiling. What is the difference between sampling and profiling in VisualVM?
Janssen asked 26/8, 2012 at 12:26
1
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I installed Java on my CentOS machine, but I don't have jvisualvm:
[root@ bin]# ls -la /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/
total 496
drwxr-xr-x. 2 root root 4096 2012-05-22 17:31 .
drwxr-xr...
5
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I want to do load testing for 10 million users for my site. The site is a Java based web-app. My approach is to create a Jmeter test plan for all the links and then take a report for the 10 million...
Dalenedalenna asked 13/4, 2011 at 6:45
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Briefly reading tutorials and playing with JVisualVM, I can manually attach it to a long-running server or Swing application, but I'd also like to use it for short programs that run in under a seco...
1
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I am running a Java application on Java 6 VM on a remote Windows XP, on which I can run jvisualvm.exe to connect to the running application automatically.
Now I need to connect that application fr...
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I run JVisualVM (Windows XP, Sun Java 1.6.0.13, 32 bit client VM) to monitor a distant application (Linux, Sun Java 1.6.0.07, 64 bit server VM). Before starting the actual remote application, I lau...
Panlogism asked 7/4, 2009 at 16:56
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When I launch my java app from Eclipse Helios I see it in the list of local applications on the visualVM. However, I go to the Profiler tab and I can't profile either by CPU or Memory criteria.
I...
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On a multicore machine, does the JVisualVM CPU usage graph show total machine CPU capacity or something else?
As an example, on a machine with 16 cores, if I see CPU usage in JVisualVM going up to...
Panada asked 20/12, 2011 at 9:6
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I suspect we have a major memory leak in our ActiveMQ connection bridge - we're seeing typical memory leak patterns (app loads fine, slows down if it runs for prolonged periods of time or is restar...
Fantasm asked 6/2, 2012 at 1:45
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I am troubleshooting a shutdown that is not as graceful as it should be, so I would like to get a list of running non-daemon threads in jvisualvm (or other) to hunt the culprit.
Ladino asked 24/1, 2012 at 9:23
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