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Questions tagged [jprofiler]

JProfiler is a commercially licensed Java profiling tool developed by ej-technologies GmbH targeted at Java EE and Java SE applications.

Notable Features

  • CPU Profiling - call-tree and call-graph views, hotspots detection
    • Instrumentation - all calls are profiled, code is instrumented
    • Sampling - sampling interval of e.g. 10ms is used to collect callstacks
  • Memory Profing, Heap Walker - profiling Heap, recording Heap snapshot and walking through the snapshot
  • Thread and Monitor Profiling - detecting thread contention.
  • VM Telemetry - To observe the internal state of your JVM
  • JEE Probes
  • NoSQL and big data probes - Bottlenecks in MongoDB, Cassandra and HBase can now be analyzed with JProfiler.
  • Remote tracking allows you to follow calls from one profiled JVM to another. RMI, web services and remote EJBs are supported.
  • Profiling modes There are four different profiling modes in JProfiler: Attach mode, Profile at startup, Prepare for profiling and Offline profiling

References

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JProfiler 7.2.2 IDE integration error with Eclipse 4.2

I've JProfiler 7.2.2 installed (with Evaluation Key however), I'm using eclipse 4.2. When I try to integrate JProfiler to Eclipse, it shows the following error message: The directory C:\Program…
asok Buzz
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Is there a JProfiler equivalent for .NET?

I am used to profiling Java programs using Jprofiler which can give you a CPU Percentage breakdown for each class and method. Is there a similar tool for .NET?
Nosrama
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Can't launch JProfiler from Eclipse - NPE in source lookup

I have been using JProfiler 7 in Eclipse for over year, but periodically my Eclipse seems to get into a state where I can no longer run a Profile and I get a NullPointerException from the Eclipse internals. When running a profile that had…
Rick Barkhouse
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JProfiler - What does the [n classes] mean?

This is what I see in Jprofiler's memory view when I profile my application. What is the significance of [2 classes] . I am expecting this class to be a singleton and have only one instance. Am I understanding anything…
hop
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JPA -Why I am seeing two entity instances for each row in DB?

I am seeing two entity instance for each record in Db, when I am profiling the application using JProfiler. Say for example Global_message is my table name and it has 20 records, the mapped JPA entity shows 40 instance [2 Classes] in Jprofiler. Can…
hop
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Memory leak in java

I used jprofiler to detect memory leak for my client code.At starting the memory used by java.util.hashmap$entry was increasing drastically up to 1700KB. after that it decreased too. The Heap dump show java.lang.ref.finalizer was using maximum of…
Rajesh Kumar
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jprofile issue websphere v6

I am trying to use Jprofile with WAS v6 running on Linux, followed the setup steps in Jprofile, copied the agent jar to linux box, set up the jvm arguments and LD_LIBRARY_PATH. But seeing this error when I try to startup the server: JVMCI158: Can't…
Ram
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How to profile into Java serialization in JProfiler

Using JProfiler 7.1 (also tried 7.0) I cannot profile into Java serialization. I have removed all filters, using dynamic, estimate CPU, profiling. It seems like it does not profile into any JDK methods? Not attaching to an existing JVM, JProfiler is…
James
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Jprofile "direct calls to methods of filtered classes" What's it mean?

I used CPU View to check the performace. can someone suggest what does head 'direct calls to methods of filtered classes' signify? I cannot upload screenshot. it just like this: "91.5% -60,324ms -14inv.direct calls to methods of filtered…
Jonathan
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Testing a Swing application

I am working on a Java Swing Based application using Hibernate. And i have used NetBeans IDE to build my application. I am having around 13 sub-modules. I have used JInternalFrames to build those sub-modules. And 4 reports which use JasperViewer.…
Vinesh
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jProfiler The JVM could not be started

I am newbie to jProfiler. I was install the jprofiler_windows_5_1_4_with_jre.exe on my windows system. After installation I was try to run the jProfiler on my system it was showing the error message like The JVM could not be started. The main…
user1465435
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Memory Leakage due to HashMap

I am facing memory leakage because of HashMap in my code. When I first login to the application this HashMap populate and I use this Map to cache some data. I used this cached Data several places in my application. Its size grows continuously after…
NIVESH SENGAR
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Finding memory leak By JProfiler

My question is different from this I've done profiling of my application it is too slow. After completion of one process I have seen some live objects in the heap walker. Though we are caching some data from database to HashMap but the heap walker…
NIVESH SENGAR
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How to stop "Thread History" (in "Thread Views") after JVM exits?

The Thread history in Thread Views continues running, even if the JVM exits and is only kept alive by JProfiler (using Keep VM alive). With this behaviour I see a lot of useful data for the time when the JVM is running and a growing amount of…
C-Otto
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java webapplication profiling with JProfiler (7.0.1) & Execution time review

any one can help me setup a java web-application profiling with the JProfiler(7.0.1). I have searching on net but i have found only for the application that contain main calss in it. give me any link or doc that give step-by-step idea for setting…
Yagnesh Agola
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