Re: [rvm-research] using a java agent

Johannes Sinsel <[email protected]> Mon, 4 Mar 2019 11:15:15 +0100
Newsgroups	gmane.comp.java.jikes.rvm.devel
Message-ID	<[email protected]>
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Hey,

thanks a lot, it did work.

Kind regards,
Johannes Sinsel

On 02.03.19 22:14, Erik Brangs wrote:
> Hi,
>
> On 28.02.19 14:36, Johannes Sinsel wrote:
>> Hey there,
>>
>> I have problems with the classloader using a java agent. On a single 
>> class, everything works fine, but on a jar, I get the following 
>> exception:
>>
>> Failed to run the agent's premain: fullpath.Agent not found in 
>> SystemAppCL
>> java.lang.ClassNotFoundException: fullpath.Agent not found in 
>> SystemAppCL
>>     at java.net.URLClassLoader.findClass(URLClassLoader.java:531)
>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:341)
>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:293)
>>
>>
>> after executing:
>>
>> ./dist/prototype-opt_x86_64-linux/rvm -javaagent:agent.jar=frames2000 
>> -jar dacapo-2006-10.jar lusearch
>>
>> in the terminal (same exception with every other .jar file).
>>
>> If anyone got an idea, it will be very helpful.
>
> I think that's a bug.
>
> Does the attached patch fix the problem for you?
>
>
> Kind regards,
>
> Erik Brangs
>
>
> _______________________________________________
> Jikesrvm-researchers mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/jikesrvm-researchers

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    <p>Hey,</p>
    <p>thanks a lot, it did work.</p>
    <p>Kind regards,<br>
      Johannes Sinsel<br>
    </p>
    <div class="moz-cite-prefix">On 02.03.19 22:14, Erik Brangs wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email protected]">Hi,
      <br>
      <br>
      On 28.02.19 14:36, Johannes Sinsel wrote:
      <br>
      <blockquote type="cite">Hey there,
        <br>
        <br>
        I have problems with the classloader using a java agent. On a
        single class, everything works fine, but on a jar, I get the
        following exception:
        <br>
        <br>
        Failed to run the agent's premain: fullpath.Agent not found in
        SystemAppCL
        <br>
        java.lang.ClassNotFoundException: fullpath.Agent not found in
        SystemAppCL
        <br>
            at
        java.net.URLClassLoader.findClass(URLClassLoader.java:531)
        <br>
            at java.lang.ClassLoader.loadClass(ClassLoader.java:341)
        <br>
            at java.lang.ClassLoader.loadClass(ClassLoader.java:293)
        <br>
        <br>
        <br>
        after executing:
        <br>
        <br>
        ./dist/prototype-opt_x86_64-linux/rvm
        -javaagent:agent.jar=frames2000 -jar dacapo-2006-10.jar lusearch
        <br>
        <br>
        in the terminal (same exception with every other .jar file).
        <br>
        <br>
        If anyone got an idea, it will be very helpful.
        <br>
      </blockquote>
      <br>
      I think that's a bug.
      <br>
      <br>
      Does the attached patch fix the problem for you?
      <br>
      <br>
      <br>
      Kind regards,
      <br>
      <br>
      Erik Brangs
      <br>
      <br>
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