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Editorial Team
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Asked: 2026-05-25T12:43:02+00:00

I am trying to track down a memory leak that I am having with

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I am trying to track down a memory leak that I am having with a Grails application and am using the Yourkit Profiler, but am running into a problem.

I have the Grails application running in Tomcat6 on the Production server and have unpacked the YourKit profiler and ran it according to the documentation using sudo bin/yjp.sh -attach, but I am getting the error: 

java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.yourkit.Main$2.run(a:19)
Caused by: com.yourkit.runtime.PresentableException: com.sun.tools.attach.AttachNotSupportedException: Unable to open socket file: target process not responding or HotSpot VM not loaded
    at com.yourkit.ui.s.n.a(a:170)
    at com.yourkit.ui.s.n.a(a:176)
    at com.yourkit.ui.s.j.a(a:250)
    at com.yourkit.c.do(a:73)
    at com.yourkit.Main0.entry(a:274)
    ... 5 more

I am using YourKit v10 and am on an Ubuntu 11.04 server. Any ideas?

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1 Answer

  1. Editorial Team

    It looks like I had to run as the user running the container. Changing sudo bin/yjp.sh -attach to sudo -u tomcat6 bin/yjp.sh -attach worked.

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