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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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Cannot use jpenable

I am stuck at square one of trying to profile my app using JProfiler. I am trying to use "jpenable" on RHEL6, but when I select my VM, it simply crashes to the desktop as follows: Please select the profiling mode: GUI mode (attach with JProfiler…
user2913094
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jProfiler timings on the Call Tree with Thread Status "All States"

The time for e.g. 187 seconds displayed against a URL invocation is the actual wall clock time right?( Thread Status: All States). Now, when I look at Method Statistics view , I could see the same time for 187 seconds against the URL. However, I see…
user1258024
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JProfiler 8 Issue using temporary license

We, on rare occasion, have to borrow a temporary JProfiler license from our floating license server, to use on a machine that is going to be outside of our LAN. this process used to work fine before we upgrade to use JProfiler 8 server. Since we…
user2304891
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jprofiler: an error has occured during startup

I am trying to install jprofiler8 (8.0.3) (evaluation) on my Centos Release 6.4 (Final) machine but keep getting errors on start-up (error below). Ive tried starting it from the installation wizard when it first offered to run it for me, as well…
Azulitabijou
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JProfiler JDBC profiling - NullPointerException in OraclePreparedStatement

I'm attempting to profile Oracle JDBC connections. Oracle server is 11XE, JDBC file - ojdbc6.jar., JProfiler 8.0.2 As soon as portion of my code attempts to make prepared statement, I'm getting following error... Exception in thread "Controller…
user3196383
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where java store native objects

I've been inspecting objects and I noticed that the size of a java.lang.String is always 24 bytes, regardless of the text it contains. For example: String str1 = "testtesttesttesttesttesttesttesttesttesttesttesttesttesttesttesttesttesttest"; String…
Andrea Catania
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remote jprofiler integration with resin

JProfiler throw an error： java.lang.NullPointerException at com.jprofiler.frontend.e.a.a.e.J(ejt:358) at com.jprofiler.frontend.e.a.a.e.H(ejt:203) at com.jprofiler.frontend.e.a.a.e.a(ejt:103) at…
user3045548
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Error when connecting JProfiler to JBoss 4

I want to profile a Java EE application runs on JBoss 4. I use Ubuntu . Java 1.5. JProfiler 8.0.1. Server is Jboss 4. Once I set the host as localhost and try to profile,(New Session -> Attach -> Attach to profile JVM(Local or remote) ) JProfiler…
Débora
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JProfiler: How to load agent library?

I'm trying to run jpenable on a standard java application in our remote server but I'm getting an error saying that: ERROR: The agent could not be loaded: Failed to load agent library Server OS: Linux debian-server 2.6.32-5-amd64 #1 SMP Sat Mar 31…
pat
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jProfiler long monitoring sessions

I'm using jProfilers for monitoring the activity and performance of a server in production. I've configured it in remote monitoring and it works ok, but for long monitoring sessions (I would like to do 24h monitornig) the amount of memory used by…
user2477909
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Unable to attach to a weblogic server using jProfiler GUI

I've started the server (Weblogic 10.3.3) from Eclipse and I'm trying to attach to it through jProfiler GUI. weblogic.Server is displayed in the list of available JVMs but when I try to attach to it I get the following error: It is not possible to…
Sagar Aiya
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Windows tool to check for used files (by Java OSGi process)

I'm looking for a tool that'll give me information about file operations (e.g. open/close/read/write, how many bytes, how many time waited), filtered by process and that'll allow me to have a file with this information incremented for a few…
rnunes
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stackoverflow error while checkout and compare

receiving stackoverflow error: Operation: We are trying to compare xml's (checkedout from repo)and we are using arraylist and hashmaps to perform node by node comparison, but somewhere in the process i am receiving this error. I checked, there are…
user1782807
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Error while using jprofiler for profiling remote weblogic server

Hi I am new to jprofiler . My task is to profile a remote weblogic server for which i have followed the steps for remote profiling and came till sh file creation which the jprofiler creates itself. As i have read I need to start my weblogic server…
Raghu Dev
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How do I integrate JProfiler 7.2.2 with Scala IDE 3.0.0 on OS/X 10.8.3 64-bit?

JProfiler integrates fine into IntelliJ IDEA 12.0.4 and Eclipse 4.2.2 but it does not integrate into Scala IDE 3.0.0. I have fresh installs of Scala IDE 3.0.0 (based on Eclipse Indigo) and JProfiler 7.2.2. and have enabled the "Profile" actions…
richj
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