How to specity the -agentlib option in a jtreg test?
jonathan.gibbons at oracle.com
Mon Apr 18 17:51:24 UTC 2016
OK, thanks for clarifying.
The question is, should -agentlib use the system property (that is
already being set) or should jtreg set LD_LIBRARY_PATH (which is
On 04/18/2016 04:53 AM, Alexander Kulyakhtin wrote:
> In the 'rerun' section I have:
> images/jdk/bin/java \\
> While TestGetModules.so does reside in the images/test/hotspot/jtreg/native, jtreg does not set LD_LIBRARY_PATH to that directory before invoking java.
> Therefore -agentlib does not know where to look for the library.
> The System.loadLibrary, on the contrary, does succeed because of the -Djava.library.path passed to java.
> Best regards,
> ----- Original Message -----
> From: jonathan.gibbons at oracle.com
> To: jtreg-use at openjdk.java.net
> Sent: Friday, April 15, 2016 7:05:18 PM GMT +03:00 Iraq
> Subject: Re: How to specity the -agentlib option in a jtreg test?
> jtreg should report the command it is trying to execute in the "rerun"
> If you execute that command directly, does it work? In other words,
> can you isolate the problem to jtreg or to the execution of the command
> that jtreg execs?
> -- Jon
> On 04/15/2016 07:53 AM, Staffan Larsen wrote:
>> I don’t know why it does not work for -agentlib, but as a workaround you can create an @driver class that launches your test program with the -agentpath parameter and get the location of the native libraries through the system property test.nativepath.
>>> On 15 apr. 2016, at 16:29, Alexander Kulyakhtin <alexander.kulyakhtin at oracle.com> wrote:
>>> I'm trying to create a jtreg test which compiles and then executes a java class with the -agentlib option (to test some JVMTI functionality)
>>> In my test I have
>>> @compile MyTest.java
>>> @run main/othervm -agentlib:mylib MyTest
>>> I run the test with:
>>> jtreg -nativepath:<path to libmylib.so> MyTest
>>> However, it fails with:
>>> "Could not find agent library mylib on the library path, libmylib.so: cannot open shared object file: No such file or directory"
>>> The -nativepath does provide for the successful loading of the library when I use System.loadLibrary("mylib").
>>> However, for the -agentlib option, it does not help.
>>> Does someone know if it is possible to specify the library path for the -agentlib option, from within a jtreg test or using the jtreg options?
>>> Thank you very much for your help.
>>> Best regards,
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